CHECK POSITION CONTROL ECU ASSEMBLY (FOR DRIVER SEAT)
for LHD:
Disconnect the w10 and w12 position control ECU assembly LH connectors.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| w10-2 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| w10-3 (+B) - Body ground | W - Body ground | Auxiliary battery power supply | Power switch off | 11 to 14 V |
| w12-1 (IG) - Body ground | P - Body ground | Ignition power supply | Power switch off | Below 1 V |
| Power switch on (IG) | 11 to 14 V | |||
| w12-15 (SYSB) - Body ground | G - Body ground | System power source | Power switch off | 11 to 14 V |
| w12-27 (DBCL) - Body ground | B - Body ground | Driver seat belt buckle switch signal | Driver seat belt unfastened | 10 kΩ or higher |
| Driver seat belt fastened | Below 1 Ω | |||
| w12-28 (DRDC) - Body ground | L - Body ground | Driver seat belt tension reducer signal | Power switch on (IG) | 11 to 14 V |
Reconnect the w10 and w12 position control ECU assembly LH connectors.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| w10-1 (SLD+) - Body ground | L - Body ground | Slide motor signal (forward) | Slide switch off | Below 1 V |
| Slide switch on (Forward) | 11 to 14 V | |||
| w10-4 (H+) - Body ground* | R - Body ground | Headrest motor signal (upward) | Headrest switch off | Below 1 V |
| Headrest switch on (Upward) | 11 to 14 V | |||
| w10-5 (SLD-) - Body ground | GR - Body ground | Slide motor signal (rearward) | Slide switch off | Below 1 V |
| Slide switch on (Rearward) | 11 to 14 V | |||
| w10-6 (LFT+) - Body ground | V - Body ground | Rear lifter motor signal (upward) | Rear lifter switch off | Below 1 V |
| Rear lifter switch on (Upward) | 11 to 14 V | |||
| w10-7 (FRV+) - Body ground | B - Body ground | Front vertical motor signal (upward) | Front vertical switch off | Below 1 V |
| Front vertical switch on (Upward) | 11 to 14 V | |||
| w10-9 (L+) - Body ground | V - Body ground | Lumbar support adjuster motor signal (forward) | Lumbar support adjuster switch off | Below 1 V |
| Lumbar support adjuster switch on (Forward) | 11 to 14 V | |||
| w10-10 (RCL+) - Body ground | P - Body ground | Reclining motor signal (forward) | Reclining switch off | Below 1 V |
| Reclining switch on (Forward) | 11 to 14 V | |||
| w11-2 (H-) - Body ground* | B - Body ground | Headrest motor signal (downward) | Headrest switch off | Below 1 V |
| Headrest switch on (Downward) | 11 to 14 V | |||
| w11-3 (L-) - Body ground | L - Body ground | Lumbar support adjuster motor signal (rearward) | Lumbar support adjuster switch off | Below 1 V |
| Lumbar support adjuster switch on (Rearward) | 11 to 14 V | |||
| w11-4 (FRV-) - Body ground | R - Body ground | Front vertical motor signal (downward) | Front vertical switch off | Below 1 V |
| Front vertical switch on (Downward) | 11 to 14 V | |||
| w11-5 (LFT-) - Body ground | G - Body ground | Lifter motor signal (downward) | Rear lifter switch off | Below 1 V |
| Rear lifter switch on (Downward) | 11 to 14 V | |||
| w11-6 (RCL-) - Body ground | LG - Body ground | Reclining motor signal (rearward) | Reclining switch off | Below 1 V |
| Reclining switch on (Rearward) | 11 to 14 V | |||
| w12-2 (FRLS) - Body ground | L - Body ground | Inner limit switch signal | Front seatback edge protector (inner limit switch assembly) off | Below 1 V |
| Front seatback edge protector (inner limit switch assembly) on | 11 to 14 V | |||
| w12-4 (LFLF) - Body ground | W - Body ground | Power seat switch LH (lumbar support adjuster switch (forward)) signal | Lumbar support adjuster switch off | 11 to 14 V |
| Lumbar support adjuster switch on (Forward) | Below 1 V | |||
| w12-5 (HEDU) - Body ground* | SB - Body ground | Power seat switch LH (headrest switch (upward)) signal | Headrest switch off | 11 to 14 V |
| Headrest switch on (Upward) | Below 1 V | |||
| w12-6 (FRVU) - Body ground | L - Body ground | Power seat switch LH (front vertical switch (upward)) signal | Front vertical switch off | 11 to 14 V |
| Front vertical switch on (Upward) | Below 1 V | |||
| w12-7 (LFTU) - Body ground | BR - Body ground | Power seat switch LH (rear lifter switch (upward)) signal | Rear lifter switch off | 11 to 14 V |
| Rear lifter switch on (Upward) | Below 1 V | |||
| w12-8 (RCLF) - Body ground | R - Body ground | Power seat switch LH (reclining switch (forward)) signal | Reclining switch off | 11 to 14 V |
| Reclining switch on (Forward) | Below 1 V | |||
| w12-9 (SLDF) - Body ground | B - Body ground | Power seat switch LH (slide switch (forward)) signal | Slide switch off | 11 to 14 V |
| Slide switch on (Forward) | Below 1 V | |||
| w12-10 (SSFV) - Body ground | L - Body ground | Front vertical position signal | Front vertical function operating | Pulse generation |
| w12-11 (SSRR) - Body ground | V - Body ground | Lumbar support position signal | Lumbar support adjuster function operating | Pulse generation |
| w12-12 (SENG) - Body ground | BR - Body ground | Sensor ground | Always | Below 1 Ω |
| w12-16 (LRLS) - Body ground | P - Body ground | Outer limit switch signal | Front seatback edge protector (outer limit switch assembly) off | Below 1 V |
| Front seatback edge protector (outer limit switch assembly) on | 11 to 14 V | |||
| w12-18 (LFLR) - Body ground | L - Body ground | Power seat switch LH (lumbar support adjuster switch (rearward)) signal | Lumbar support adjuster switch off | 11 to 14 V |
| w12-19 (HEDD) - Body ground* | P - Body ground | Power seat switch LH (headrest switch (downward)) signal | Headrest switch off | 11 to 14 V |
| Headrest switch on (Downward) | Below 1 V | |||
| w12-20 (FRVD) - Body ground | V - Body ground | Power seat switch LH (front vertical switch (downward)) signal | Front vertical switch off | 11 to 14 V |
| Front vertical switch on (Upward) | Below 1 V | |||
| w12-21 (LFTD) - Body ground | LG - Body ground | Power seat switch LH (rear lifter switch (downward)) signal | Rear lifter switch off | 11 to 14 V |
| Rear lifter switch on (Downward) | Below 1 V | |||
| w12-22 (RCLR) - Body ground | G - Body ground | Power seat switch LH (reclining switch (rearward)) signal | Reclining switch off | 11 to 14 V |
| Reclining switch on (Rearward) | Below 1 V | |||
| w12-23 (SLDR) - Body ground | GR - Body ground | Power seat switch LH (slide switch (rearward)) signal | Slide switch off | 11 to 14 V |
| Slide switch on (Rearward) | Below 1 V | |||
| w12-24 (SSRH) - Body ground* | P - Body ground | Headrest position signal | Headrest adjuster function operating | Pulse generation |
| w12-25 (SSRL) - Body ground | B - Body ground | Rear lifter position signal | Rear lifter function operating | Pulse generation |
| w12-26 (SSRS) - Body ground | G - Body ground | Slide position signal | Slide function operating | Pulse generation |
*: for Standard Seat Type
for RHD:
Disconnect the v10 and v12 position control ECU assembly RH connectors.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| v10-2 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| v10-3 (+B) - Body ground | W - Body ground | Auxiliary battery power supply | Power switch off | 11 to 14 V |
| v12-1 (IG) - Body ground | P - Body ground | Ignition power supply | Power switch off | Below 1 V |
| Power switch on (IG) | 11 to 14 V | |||
| v12-15 (SYSB) - Body ground | G - Body ground | System power source | Power switch off | 11 to 14 V |
| v12-27 (DBCL) - Body ground | B - Body ground | Driver seat belt buckle switch signal | Driver seat belt unfastened | 10 kΩ or higher |
| Driver seat belt fastened | Below 1 Ω | |||
| v12-28 (DRDC) - Body ground | L - Body ground | Driver seat belt tension reducer signal | Power switch on (IG) | 11 to 14 V |
Reconnect the v10 and v12 position control ECU assembly RH connectors.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| v10-1 (SLD+) - Body ground | L - Body ground | Slide motor signal (forward) | Slide switch off | Below 1 V |
| Slide switch on (Forward) | 11 to 14 V | |||
| v10-4 (H+) - Body ground* | R - Body ground | Headrest motor signal (upward) | Headrest switch off | Below 1 V |
| Headrest switch on (Upward) | 11 to 14 V | |||
| v10-5 (SLD-) - Body ground | GR - Body ground | Slide motor signal (rearward) | Slide switch off | Below 1 V |
| Slide switch on (Rearward) | 11 to 14 V | |||
| v10-6 (LFT+) - Body ground | V - Body ground | Rear lifter motor signal (upward) | Rear lifter switch off | Below 1 V |
| Rear lifter switch on (Upward) | 11 to 14 V | |||
| v10-7 (FRV+) - Body ground | B - Body ground | Front vertical motor signal (upward) | Front vertical switch off | Below 1 V |
| Front vertical switch on (Upward) | 11 to 14 V | |||
| v10-9 (L+) - Body ground | V - Body ground | Lumbar support adjuster motor signal (forward) | Lumbar support adjuster switch off | Below 1 V |
| Lumbar support adjuster switch on (Forward) | 11 to 14 V | |||
| v10-10 (RCL+) - Body ground | P - Body ground | Reclining motor signal (forward) | Reclining switch off | Below 1 V |
| Reclining switch on (Forward) | 11 to 14 V | |||
| v10-2 (H-) - Body ground* | B - Body ground | Headrest motor signal (downward) | Headrest switch off | Below 1 V |
| Headrest switch on (Downward) | 11 to 14 V | |||
| v10-3 (L-) - Body ground | L - Body ground | Lumbar support adjuster motor signal (rearward) | Lumbar support adjuster switch off | Below 1 V |
| Lumbar support adjuster switch on (Rearward) | 11 to 14 V | |||
| v10-4 (FRV-) - Body ground | R - Body ground | Front vertical motor signal (downward) | Front vertical switch off | Below 1 V |
| Front vertical switch on (Downward) | 11 to 14 V | |||
| v10-5 (LFT-) - Body ground | G - Body ground | Lifter motor signal (downward) | Rear lifter switch off | Below 1 V |
| Rear lifter switch on (Downward) | 11 to 14 V | |||
| v10-6 (RCL-) - Body ground | LG - Body ground | Reclining motor signal (rearward) | Reclining switch off | Below 1 V |
| Reclining switch on (Rearward) | 11 to 14 V | |||
| v12-2 (FRLS) - Body ground | L - Body ground | Inner limit switch signal | Front seatback edge protector (inner limit switch assembly) off | Below 1 V |
| Front seatback edge protector (inner limit switch assembly) on | 11 to 14 V | |||
| v12-4 (LFLF) - Body ground | W - Body ground | Power seat switch RH (lumbar support adjuster switch (forward)) signal | Lumbar support adjuster switch off | 11 to 14 V |
| Lumbar support adjuster switch on (Forward) | Below 1 V | |||
| v12-5 (HEDU) - Body ground* | SB - Body ground | Power seat switch RH (headrest switch (upward)) signal | Headrest switch off | 11 to 14 V |
| Headrest switch on (Upward) | Below 1 V | |||
| v12-6 (FRVU) - Body ground | L - Body ground | Power seat switch RH (front vertical switch (upward)) signal | Front vertical switch off | 11 to 14 V |
| Front vertical switch on (Upward) | Below 1 V | |||
| v12-7 (LFTU) - Body ground | BR - Body ground | Power seat switch RH (rear lifter switch (upward)) signal | Rear lifter switch off | 11 to 14 V |
| Rear lifter switch on (Upward) | Below 1 V | |||
| v12-8 (RCLF) - Body ground | R - Body ground | Power seat switch RH (reclining switch (forward)) signal | Reclining switch off | 11 to 14 V |
| Reclining switch on (Forward) | Below 1 V | |||
| v12-9 (SLDF) - Body ground | B - Body ground | Power seat switch RH (slide switch (forward)) signal | Slide switch off | 11 to 14 V |
| Slide switch on (Forward) | Below 1 V | |||
| v12-10 (SSFV) - Body ground | L - Body ground | Front vertical position signal | Front vertical function operating | Pulse generation |
| v12-11 (SSRR) - Body ground | V - Body ground | Lumbar support position signal | Lumbar support adjuster function operating | Pulse generation |
| v12-12 (SENG) - Body ground | BR - Body ground | Sensor ground | Always | Below 1 Ω |
| v12-16 (LRLS) - Body ground | P - Body ground | Outer limit switch signal | Front seatback edge protector (outer limit switch assembly) off | Below 1 V |
| Front seatback edge protector (outer limit switch assembly) on | 11 to 14 V | |||
| v12-18 (LFLR) - Body ground | L - Body ground | Power seat switch RH (lumbar support adjuster switch (rearward)) signal | Lumbar support adjuster switch off | 11 to 14 V |
| v12-19 (HEDD) - Body ground* | P - Body ground | Power seat switch RH (headrest switch (downward)) signal | Headrest switch off | 11 to 14 V |
| Headrest switch on (Downward) | Below 1 V | |||
| v12-20 (FRVD) - Body ground | V - Body ground | Power seat switch RH (front vertical switch (downward)) signal | Front vertical switch off | 11 to 14 V |
| Front vertical switch on (Upward) | Below 1 V | |||
| v12-21 (LFTD) - Body ground | LG - Body ground | Power seat switch RH (rear lifter switch (downward)) signal | Rear lifter switch off | 11 to 14 V |
| Rear lifter switch on (Downward) | Below 1 V | |||
| v12-22 (RCLR) - Body ground | G - Body ground | Power seat switch RH (reclining switch (rearward)) signal | Reclining switch off | 11 to 14 V |
| Reclining switch on (Rearward) | Below 1 V | |||
| v12-23 (SLDR) - Body ground | GR - Body ground | Power seat switch RH (slide switch (rearward)) signal | Slide switch off | 11 to 14 V |
| Slide switch on (Rearward) | Below 1 V | |||
| v12-24 (SSRH) - Body ground* | P - Body ground | Headrest position signal | Headrest adjuster function operating | Pulse generation |
| v12-25 (SSRL) - Body ground | B - Body ground | Rear lifter position signal | Rear lifter function operating | Pulse generation |
| v12-26 (SSRS) - Body ground | G - Body ground | Slide position signal | Slide function operating | Pulse generation |
*: for Standard Seat Type
CHECK POSITION CONTROL ECU ASSEMBLY (FOR FRONT PASSENGER SEAT)
for LHD:
Disconnect the v10 and v12 position control ECU assembly RH connectors.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| v10-2 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| v10-3 (+B) - Body ground | W - Body ground | Auxiliary battery power supply | Power switch off | 11 to 14 V |
| v12-1 (IG) - Body ground | P - Body ground | Ignition power supply | Power switch off | Below 1 V |
| Power switch on (IG) | 11 to 14 V | |||
| v12-15 (SYSB) - Body ground | G - Body ground | System power source | Power switch off | 11 to 14 V |
| v12-27 (DBCL) - Body ground | B - Body ground | Driver seat belt buckle switch signal | Driver seat belt unfastened | 10 kΩ or higher |
| Driver seat belt fastened | Below 1 Ω | |||
| v12-28 (DRDC) - Body ground | L - Body ground | Driver seat belt tension reducer signal | Power switch on (IG) | 11 to 14 V |
Reconnect the v10 and v12 position control ECU assembly RH connectors.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| v10-1 (SLD+) - Body ground | L - Body ground | Slide motor signal (forward) | Slide switch off | Below 1 V |
| Slide switch on (Forward) | 11 to 14 V | |||
| v10-4 (H+) - Body ground* | R - Body ground | Headrest motor signal (upward) | Headrest switch off | Below 1 V |
| Headrest switch on (Upward) | 11 to 14 V | |||
| v10-5 (SLD-) - Body ground | GR - Body ground | Slide motor signal (rearward) | Slide switch off | Below 1 V |
| Slide switch on (Rearward) | 11 to 14 V | |||
| v10-6 (LFT+) - Body ground | V - Body ground | Rear lifter motor signal (upward) | Rear lifter switch off | Below 1 V |
| Rear lifter switch on (Upward) | 11 to 14 V | |||
| v10-7 (FRV+) - Body ground | B - Body ground | Front vertical motor signal (upward) | Front vertical switch off | Below 1 V |
| Front vertical switch on (Upward) | 11 to 14 V | |||
| v10-9 (L+) - Body ground | V - Body ground | Lumbar support adjuster motor signal (forward) | Lumbar support adjuster switch off | Below 1 V |
| Lumbar support adjuster switch on (Forward) | 11 to 14 V | |||
| v10-10 (RCL+) - Body ground | P - Body ground | Reclining motor signal (forward) | Reclining switch off | Below 1 V |
| Reclining switch on (Forward) | 11 to 14 V | |||
| v11-2 (H-) - Body ground* | B - Body ground | Headrest motor signal (downward) | Headrest switch off | Below 1 V |
| Headrest switch on (Downward) | 11 to 14 V | |||
| v11-3 (L-) - Body ground | L - Body ground | Lumbar support adjuster motor signal (rearward) | Lumbar support adjuster switch off | Below 1 V |
| Lumbar support adjuster switch on (Rearward) | 11 to 14 V | |||
| v11-4 (FRV-) - Body ground | R - Body ground | Front vertical motor signal (downward) | Front vertical switch off | Below 1 V |
| Front vertical switch on (Downward) | 11 to 14 V | |||
| v11-5 (LFT-) - Body ground | G - Body ground | Lifter motor signal (downward) | Rear lifter switch off | Below 1 V |
| Rear lifter switch on (Downward) | 11 to 14 V | |||
| v11-6 (RCL-) - Body ground | LG - Body ground | Reclining motor signal (rearward) | Reclining switch off | Below 1 V |
| Reclining switch on (Rearward) | 11 to 14 V | |||
| v12-2 (FRLS) - Body ground | L - Body ground | Inner limit switch signal | Front seatback edge protector (inner limit switch assembly) off | Below 1 V |
| Front seatback edge protector (inner limit switch assembly) on | 11 to 14 V | |||
| v12-4 (LFLF) - Body ground | W - Body ground | Power seat switch RH (lumbar support adjuster switch (forward)) signal | Lumbar support adjuster switch off | 11 to 14 V |
| Lumbar support adjuster switch on (Forward) | Below 1 V | |||
| v12-5 (HEDU) - Body ground* | SB - Body ground | Power seat switch RH (headrest switch (Upward)) signal | Headrest switch off | 11 to 14 V |
| Headrest switch on (Upward) | Below 1 V | |||
| v12-6 (FRVU) - Body ground | L - Body ground | Power seat switch RH (front vertical switch (upward)) signal | Front vertical switch off | 11 to 14 V |
| Front vertical switch on (Upward) | Below 1 V | |||
| v12-7 (LFTU) - Body ground | BR - Body ground | Power seat switch RH (rear lifter switch (upward)) signal | Rear lifter switch off | 11 to 14 V |
| Rear lifter switch on (Upward) | Below 1 V | |||
| v12-8 (RCLF) - Body ground | R - Body ground | Power seat switch RH (reclining switch (forward)) signal | Reclining switch off | 11 to 14 V |
| Reclining switch on (Forward) | Below 1 V | |||
| v12-9 (SLDF) - Body ground | B - Body ground | Power seat switch RH (slide switch (forward)) signal | Slide switch off | 11 to 14 V |
| Slide switch on (Forward) | Below 1 V | |||
| v12-11 (SSRR) - Body ground | V - Body ground | Lumbar support position signal | Lumbar support adjuster function operating | Pulse generation |
| v12-12 (SENG) - Body ground | BR - Body ground | Sensor ground | Always | Below 1 Ω |
| v12-16 (LRLS) - Body ground | P - Body ground | Outer limit switch signal | Front seatback edge protector (outer limit switch assembly) off | Below 1 V |
| Front seatback edge protector (outer limit switch assembly) on | 11 to 14 V | |||
| v12-18 (LFLR) - Body ground | L - Body ground | Power seat switch RH (lumbar support adjuster switch (rearward)) signal | Lumbar support adjuster switch off | 11 to 14 V |
| v12-19 (HEDD) - Body ground* | P - Body ground | Power seat switch RH (headrest switch (downward)) signal | Headrest switch off | 11 to 14 V |
| Headrest switch on (Downward) | Below 1 V | |||
| v12-20 (FRVD) - Body ground | V - Body ground | Power seat switch RH (front vertical switch (downward)) signal | Front vertical switch off | 11 to 14 V |
| Front vertical switch on (Upward) | Below 1 V | |||
| v12-21 (LFTD) - Body ground | LG - Body ground | Power seat switch RH (rear lifter switch (downward)) signal | Rear lifter switch off | 11 to 14 V |
| Rear lifter switch on (Downward) | Below 1 V | |||
| v12-22 (RCLR) - Body ground | G - Body ground | Power seat switch RH (reclining switch (rearward)) signal | Reclining switch off | 11 to 14 V |
| Reclining switch on (Rearward) | Below 1 V | |||
| v12-23 (SLDR) - Body ground | GR - Body ground | Power seat switch RH (slide switch (rearward)) signal | Slide switch off | 11 to 14 V |
| Slide switch on (Rearward) | Below 1 V | |||
| v12-24 (SSRH) - Body ground* | P - Body ground | Headrest position signal | Headrest adjuster function operating | Pulse generation |
| v12-25 (SSRL) - Body ground | B - Body ground | Rear lifter position signal | Rear lifter function operating | Pulse generation |
| v12-26 (SSRS) - Body ground | G - Body ground | Slide position signal | Slide function operating | Pulse generation |
*: for Standard Seat Type
for RHD:
Disconnect the w10 and w12 position control ECU assembly LH connectors.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| w10-2 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| w10-3 (+B) - Body ground | W - Body ground | Auxiliary battery power supply | Power switch off | 11 to 14 V |
| w12-1 (IG) - Body ground | P - Body ground | Ignition power supply | Power switch off | Below 1 V |
| Power switch on (IG) | 11 to 14 V | |||
| w12-15 (SYSB) - Body ground | G - Body ground | System power source | Power switch off | 11 to 14 V |
| w12-27 (DBCL) - Body ground | B - Body ground | Driver seat belt buckle switch signal | Driver seat belt unfastened | 10 kΩ or higher |
| Driver seat belt fastened | Below 1 Ω | |||
| w12-28 (DRDC) - Body ground | L - Body ground | Driver seat belt tension reducer signal | Power switch on (IG) | 11 to 14 V |
Reconnect the w10 and w12 position control ECU assembly LH connectors.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| w10-1 (SLD+) - Body ground | L - Body ground | Slide motor signal (forward) | Slide switch off | Below 1 V |
| Slide switch on (Forward) | 11 to 14 V | |||
| w10-4 (H+) - Body ground* | R - Body ground | Headrest motor signal (upward) | Headrest switch off | Below 1 V |
| Headrest switch on (Upward) | 11 to 14 V | |||
| w10-5 (SLD-) - Body ground | GR - Body ground | Slide motor signal (rearward) | Slide switch off | Below 1 V |
| Slide switch on (Rearward) | 11 to 14 V | |||
| w10-6 (LFT+) - Body ground | V - Body ground | Rear lifter motor signal (upward) | Rear lifter switch off | Below 1 V |
| Rear lifter switch on (Upward) | 11 to 14 V | |||
| w10-7 (FRV+) - Body ground | B - Body ground | Front vertical motor signal (upward) | Front vertical switch off | Below 1 V |
| Front vertical switch on (Upward) | 11 to 14 V | |||
| w10-9 (L+) - Body ground | V - Body ground | Lumbar support adjuster motor signal (forward) | Lumbar support adjuster switch off | Below 1 V |
| Lumbar support adjuster switch on (Forward) | 11 to 14 V | |||
| w10-10 (RCL+) - Body ground | P - Body ground | Reclining motor signal (forward) | Reclining switch off | Below 1 V |
| Reclining switch on (Forward) | 11 to 14 V | |||
| w11-2 (H-) - Body ground* | B - Body ground | Headrest motor signal (downward) | Headrest switch off | Below 1 V |
| Headrest switch on (Downward) | 11 to 14 V | |||
| w11-3 (L-) - Body ground | L - Body ground | Lumbar support adjuster motor signal (rearward) | Lumbar support adjuster switch off | Below 1 V |
| Lumbar support adjuster switch on (Rearward) | 11 to 14 V | |||
| w11-4 (FRV-) - Body ground | R - Body ground | Front vertical motor signal (downward) | Front vertical switch off | Below 1 V |
| Front vertical switch on (Downward) | 11 to 14 V | |||
| w11-5 (LFT-) - Body ground | G - Body ground | Lifter motor signal (downward) | Rear lifter switch off | Below 1 V |
| Rear lifter switch on (Downward) | 11 to 14 V | |||
| w11-6 (RCL-) - Body ground | LG - Body ground | Reclining motor signal (rearward) | Reclining switch off | Below 1 V |
| Reclining switch on (Rearward) | 11 to 14 V | |||
| w12-2 (FRLS) - Body ground | L - Body ground | Inner limit switch signal | Front seatback edge protector (inner limit switch assembly) off | Below 1 V |
| Front seatback edge protector (inner limit switch assembly) on | 11 to 14 V | |||
| w12-4 (LFLF) - Body ground | W - Body ground | Power seat switch LH (lumbar support adjuster switch (forward)) signal | Lumbar support adjuster switch off | 11 to 14 V |
| Lumbar support adjuster switch on (Forward) | Below 1 V | |||
| w12-5 (HEDU) - Body ground* | SB - Body ground | Power seat switch LH (headrest switch (Upward)) signal | Headrest switch off | 11 to 14 V |
| Headrest switch on (Upward) | Below 1 V | |||
| w12-6 (FRVU) - Body ground | L - Body ground | Power seat switch LH (front vertical switch (upward)) signal | Front vertical switch off | 11 to 14 V |
| Front vertical switch on (Upward) | Below 1 V | |||
| w12-7 (LFTU) - Body ground | BR - Body ground | Power seat switch LH (rear lifter switch (upward)) signal | Rear lifter switch off | 11 to 14 V |
| Rear lifter switch on (Upward) | Below 1 V | |||
| w12-8 (RCLF) - Body ground | R - Body ground | Power seat switch LH (reclining switch (forward)) signal | Reclining switch off | 11 to 14 V |
| Reclining switch on (Forward) | Below 1 V | |||
| w12-9 (SLDF) - Body ground | B - Body ground | Power seat switch LH (slide switch (forward)) signal | Slide switch off | 11 to 14 V |
| Slide switch on (Forward) | Below 1 V | |||
| w12-11 (SSRR) - Body ground | V - Body ground | Lumbar support position signal | Lumbar support adjuster function operating | Pulse generation |
| w12-12 (SENG) - Body ground | BR - Body ground | Sensor ground | Always | Below 1 Ω |
| w12-16 (LRLS) - Body ground | P - Body ground | Outer limit switch signal | Front seatback edge protector (outer limit switch assembly) off | Below 1 V |
| Front seatback edge protector (outer limit switch assembly) on | 11 to 14 V | |||
| w12-18 (LFLR) - Body ground | L - Body ground | Power seat switch LH (lumbar support adjuster switch (rearward)) signal | Lumbar support adjuster switch off | 11 to 14 V |
| w12-19 (HEDD) - Body ground* | P - Body ground | Power seat switch LH (headrest switch (downward)) signal | Headrest switch off | 11 to 14 V |
| Headrest switch on (Downward) | Below 1 V | |||
| w12-20 (FRVD) - Body ground | V - Body ground | Power seat switch LH (front vertical switch (downward)) signal | Front vertical switch off | 11 to 14 V |
| Front vertical switch on (Upward) | Below 1 V | |||
| w12-21 (LFTD) - Body ground | LG - Body ground | Power seat switch LH (rear lifter switch (downward)) signal | Rear lifter switch off | 11 to 14 V |
| Rear lifter switch on (Downward) | Below 1 V | |||
| w12-22 (RCLR) - Body ground | G - Body ground | Power seat switch LH (reclining switch (rearward)) signal | Reclining switch off | 11 to 14 V |
| Reclining switch on (Rearward) | Below 1 V | |||
| w12-23 (SLDR) - Body ground | GR - Body ground | Power seat switch LH (slide switch (rearward)) signal | Slide switch off | 11 to 14 V |
| Slide switch on (Rearward) | Below 1 V | |||
| w12-24 (SSRH) - Body ground* | p - Body ground | Headrest position signal | Headrest adjuster function operating | Pulse generation |
| w12-25 (SSRL) - Body ground | B - Body ground | Rear lifter position signal | Rear lifter function operating | Pulse generation |
| w12-26 (SSRS) - Body ground | G - Body ground | Slide position signal | Slide function operating | Pulse generation |
*: for Standard Seat Type
CHECK FRONT MULTIPLEX NETWORK DOOR ECU (FOR DRIVER SEAT)
for LHD:
Disconnect the S9 front multiplex network door ECU LH connector.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| S9-3 (SIG) - Body ground | LA-B - Body ground | Ignition power supply (IG signal) | Power switch off → on (IG) | Below 1 V → 11 to 14 V |
| S9-4 (CPUB) - Body ground | LA-LG - Body ground | Auxiliary battery power supply | Power switch off | 11 to 14 V |
| S9-6 (BDR) - Body ground | R - Body ground | Auxiliary battery power supply | Power switch off | 11 to 14 V |
| S9-1 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
Reconnect the S9 front multiplex network door ECU LH connector.
Measure the voltageand resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| S9-24 (M3) - S9-26 (MSWE) | V - W-B | M3 switch signal for seat memory switch | M3 switch on | Below 1 V |
| M3 switch off | 11 to 14 V | |||
| S9-23 (M2) - S9-26 (MSWE) | G - W-B | M2 switch signal for seat memory switch | M2 switch on | Below 1 V |
| M2 switch off | 11 to 14 V | |||
| S9-22 (M1) - S9-26 (MSWE) | BE - W-B | M1 switch signal for seat memory switch | M1 switch on | Below 1 V |
| M1 switch off | 11 to 14 V | |||
| S9-25 (MM) - S9-26 (MSWE) | L - W-B | SET switch signal for seat memory switch | SET switch on | Below 1 V |
| SET switch off | 11 to 14 V | |||
| S9-26 (MSWE) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
for RHD:
Disconnect the R9 front multiplex network door ECU RH connector.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| R9-3 (SIG) - Body ground | LA-B - Body ground | Ignition power supply (IG signal) | Power switch off → on (IG) | Below 1 V → 11 to 14 V |
| R9-4 (CPUB) - Body ground | LA-LG - Body ground | Auxiliary battery power supply | Power switch off | 11 to 14 V |
| R9-6 (BDR) - Body ground | R - Body ground | Auxiliary battery power supply | Power switch off | 11 to 14 V |
| R9-1 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
Reconnect the R9 front multiplex network door ECU LH connector.
Measure the voltageand resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| R9-24 (M3) - R9-26 (MSWE) | V - W-B | M3 switch signal for seat memory switch | M3 switch on | Below 1 V |
| M3 switch off | 11 to 14 V | |||
| R9-23 (M2) - R9-26 (MSWE) | G - W-B | M2 switch signal for seat memory switch | M2 switch on | Below 1 V |
| M2 switch off | 11 to 14 V | |||
| R9-22 (M1) - R9-26 (MSWE) | BE - W-B | M1 switch signal for seat memory switch | M1 switch on | Below 1 V |
| M1 switch off | 11 to 14 V | |||
| R9-25 (MM) - R9-26 (MSWE) | L - W-B | SET switch signal for seat memory switch | SET switch on | Below 1 V |
| SET switch off | 11 to 14 V | |||
| R9-26 (MSWE) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
| *1 | Main Body ECU (Multiplex Network Body ECU) | - | - |
Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.
Connect the driver side junction block assembly.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| A-32 (IG) - Body ground | Note - Body ground | Ignition power supply | Power switch on (IG) | 11 to 14 V |
| Power switch off | Below 1 V | |||
| A-31 (BECU) - Body ground | Note - Body ground | Auxiliary battery power supply | Power switch off | 11 to 14 V |
| A-30 (ACC) - Body ground | Note - Body ground | ACC power supply | Power switch on (ACC) | 11 to 14 V |
| Power switch off | Below 1 V | |||
| A-11 (GND1) - Body ground | Note - Body ground | Ground | Always | Below 1 Ω |
Install the main body ECU (multiplex network body ECU).
Measure the voltage and pulse according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| P7-1 (FLCY) - Body ground | R - Body ground | Front door courtesy light switch LH input | Front door LH open | Below 1 V |
| Front door LH closed | 4.7 to 5.3 V | |||
| P7-6 (FRCY) - Body ground | V - Body ground | Front door courtesy light assembly RH INput | Front door RH open | Below 1 V |
| Front door RH closed | 4.7 to 5.3 V |