CHECK MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK)
Disconnect the DA, DD, DF, L11, L12, L13 and A68 ECU connectors.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbols) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| L11-1 (GND3) - DA-41 (GND1) | W-B - W-B | Ground | Always | Below 1 Ω |
| DA-40 (GND1) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| DA-40 (GND2) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| DF-1 (ALTB) - Body ground | B - Body ground | IG power supply | Always | 11 to 14 V |
| L12-1 (AM2) - Body ground | W - Body ground | Battery power supply | Always | 11 to 14 V |
| L13-6 (AM1) - Body ground | W - Body ground | Battery power supply | Always | 11 to 14 V |
| L13-24 (DCTY) - Body ground | W - Body ground | Driver side door courtesy light switch input | Driver side door is open | Below 1 Ω |
| Driver side door is closed | 10 kΩ or higher | |||
| L12-21 (PCTY) - Body ground | L - Body ground | Front passenger side door courtesy light switch input | Front passenger side door is open | Below 1 Ω |
| Front passenger side door is closed | 10 kΩ or higher | |||
| L12-7 (RCTY) - Body ground | R - Body ground | Rear RH side door courtesy light switch input | Rear RH side door is open | Below 1 Ω |
| Rear RH side door is closed | 10 kΩ or higher | |||
| DD-12 (LCTY) - Body ground | L - Body ground | Rear LH side door courtesy light switch input | Rear LH side door is open | Below 1 Ω |
| Rear LH side door is closed | 10 kΩ or higher |
If the result is not as specified, there may be a malfunction on the wire harness side.
CHECK MASTER SWITCH ASSEMBLY
Disconnect the N13 switch connector.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbols) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| N13-12 (GND) - Body ground | R - Body ground | Ground | Always | Below 1 Ω |
| N13-11 (B) - N13-12 (GND) | B - R | Battery power supply | Always | 11 to 14 V |
If the result is not as specified, there may be a malfunction on the wire harness side.
CHECK FRONT DOOR ECU LH
Disconnect the N10 ECU connector.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbols) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| N10-1 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| N10-6 (BDR) - N10-1 (GND) | BE - W-B | Battery power supply | Always | 11 to 14 V |
| N10-11 (CPUB) - N10-1 (GND) | B*1 - W-B R*2 - W-B |
Battery power supply | Always | 11 to 14 V |
| N10-16 (BDG1) - N10-1 (GND) | R - W-B | Battery power supply | Always | 11 to 14 V |
Tech Tips
*1: for LHD
*2: for RHD
If the result is not as specified, there may be a malfunction on the wire harness side.
Reconnect the N10 ECU connector.
Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbols) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| N9-2 (A+) - N10-1 (GND) | R - W-B | Door lock motor LOCK drive output | Door control switch (master switch or front passenger side door control switch) or driver side door key cylinder UNLOCK | 11 to 14 V |
| Door lock motor UNLOCK drive output | Door control switch (master switch or front passenger side door control switch) or driver side door key cylinder LOCK | Below 1 V | ||
| N9-1 (A-) - N10-1 (GND) | B - W-B | Door lock motor UNLOCK drive output | Door control switch (master switch or front passenger side door control switch) or driver side door key cylinder UNLOCK | 11 to 14 V |
| Door lock motor LOCK drive output | Door control switch (master switch or front passenger side door control switch) or driver side door key cylinder LOCK | Below 1 V | ||
| N9-3 (A1+) - N10-1 (GND)*3 | GR - W-B | Double lock motor SET drive output | Double lock SET | 11 to 14 V |
| Double lock UNSET | Below 1 V | |||
| N9-4 (A1-) - N10-1 (GND)*3 | BE - W-B | Double lock motor UNSET drive output | Double lock UNSET | 11 to 14 V |
| Double lock SET | Below 1 V | |||
| N9-22 (KUL) - N10-1 (GND)*1 | GR - W-B | Driver side door lock key switch input | Driver side door key cylinder UNLOCK | Below 1 V |
| Power switch OFF, all doors closed and driver side door key cylinder neutral position | Pulse generation (see waveform 1 or 2) |
|||
| N9-23 (KL) - N10-1 (GND)*1 | P - W-B | Driver side door lock key switch input | Driver side door key cylinder LOCK | Below 1 V |
| Power switch OFF, all doors closed and driver side door key cylinder neutral position | Pulse generation (see waveform 1 or 2) |
|||
| P10-11 (PML) - P10-20 (DLE)*2 | B - W | Door control switch (front passenger side door control switch) input | Door control switch (front passenger side door control switch) LOCK | Below 1 V |
| Power switch OFF, all doors closed and door control switch (front passenger side door control switch) neutral position | Pulse generation (see waveform 3 or 4) |
|||
| P10-12 (PMUL) - P10-20 (DLE)*2 | R - W | Door control switch (front passenger side door control switch) input | Door control switch (front passenger side door control switch) UNLOCK | Below 1 V |
| Power switch OFF, all doors closed and door control switch (front passenger side door control switch) neutral position | Pulse generation (see waveform 3 or 4) |
|||
| N9-25 (LSW) - N9-13 (LSWE) | R - B | Driver side door lock position switch input*1 Front passenger side door lock position switch input*2 |
Driver side door is UNLOCK*1 Front passenger side door is UNLOCK*2 |
Below 1 V |
| Power switch OFF, all doors closed and driver side door is LOCK*1 Power switch OFF, all doors closed and front passenger side door is LOCK*2 |
Pulse generation (see waveform 5 or 6) |
|||
| N9-20 (DBLS) - N9-21 (DBE)*3 | GR - G | Double lock position switch signal input | Double lock UNSET | Below 1 V |
| Power switch OFF, double lock SET | Pulse generation (see waveform 7 or 8) |
Tech Tips
*1: for LHD
*2: for RHD
*3: w/ Double locking system
If the result is not as specified, the ECU may have a malfunction.
Using an oscilloscope, check waveform 1.
| Item | Content |
|---|---|
| Terminal No. (Symbols) |
|
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Power switch OFF, all doors closed and driver side door key cylinder neutral position |
Using an oscilloscope, check waveform 2.
| Item | Content |
|---|---|
| Terminal No. (Symbols) |
|
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Power switch OFF, all doors closed and driver side door key cylinder neutral position |
Using an oscilloscope, check waveform 3.
| Item | Content |
|---|---|
| Terminal No. (Symbols) |
|
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Power switch OFF, all doors closed and door control switch (front passenger side door control switch) neutral position |
Using an oscilloscope, check waveform 4.
| Item | Content |
|---|---|
| Terminal No. (Symbols) |
|
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Power switch OFF, all doors closed and door control switch (front passenger side door control switch) neutral position |
Using an oscilloscope, check waveform 5.
| Item | Content |
|---|---|
| Terminal No. (Symbols) | N9-25 (LSW) - N9-13 (LSWE) |
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Power switch OFF, all doors closed and driver side door is LOCK*1 Power switch OFF, all doors closed and driver side door is LOCK*2 |
Tech Tips
*1: for LHD
*2: for RHD
Using an oscilloscope, check waveform 6.
| Item | Content |
|---|---|
| Terminal No. (Symbols) | N9-25 (LSW) - N9-13 (LSWE) |
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Power switch OFF, all doors closed and driver side door is LOCK*1 Power switch OFF, all doors closed and driver side door is LOCK*2 |
Tech Tips
*1: for LHD
*2: for RHD
Using an oscilloscope, check waveform 7.
| Item | Content |
|---|---|
| Terminal No. (Symbols) | N9-20 (DBLS) - N9-21 (DBE) |
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Power switch OFF, double lock SET |
Using an oscilloscope, check waveform 8.
| Item | Content |
|---|---|
| Terminal No. (Symbols) | N9-20 (DBLS) - N9-21 (DBE) |
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Power switch OFF, double lock SET |
CHECK FRONT DOOR ECU RH
Disconnect the N1 ECU connector.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbols) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| N1-1 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| N1-6 (BDR) - N1-1 (GND) | BE - W-B | Battery power supply | Always | 11 to 14 V |
| N1-11 (CPUB) - N1-1 (GND) | R*1 - W-B B*2 - W-B |
Battery power supply | Always | 11 to 14 V |
| N1-16 (BDG1) - N1-1 (GND) | R - W-B | Battery power supply | Always | 11 to 14 V |
Tech Tips
*1: for LHD
*2: for RHD
If the result is not as specified, there may be a malfunction on the wire harness side.
Reconnect the N1 ECU connector.
Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbols) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| N2-2 (A+) - N1-1 (GND) | R - W-B | Door lock motor LOCK drive output | Door control switch (master switch or front passenger side door control switch) or driver side door key cylinder UNLOCK | 11 to 14 V |
| Door lock motor UNLOCK drive output | Door control switch (master switch or front passenger side door control switch) or driver side door key cylinder LOCK | Below 1 V | ||
| N2-1 (A-) - N1-1 (GND) | B - W-B | Door lock motor UNLOCK drive output | Door control switch (master switch or front passenger side door control switch) or driver side door key cylinder UNLOCK | 11 to 14 V |
| Door lock motor LOCK drive output | Door control switch (master switch or front passenger side door control switch) or driver side door key cylinder LOCK | Below 1 V | ||
| N2-3 (A1+) - N1-1 (GND)*3 | GR - W-B | Double lock motor SET drive output | Double lock SET | 11 to 14 V |
| Double lock UNSET | Below 1 V | |||
| N2-4 (A1-) - N1-1 (GND)*3 | BE - W-B | Double lock motor UNSET drive output | Double lock UNSET | 11 to 14 V |
| Double lock SET | Below 1 V | |||
| N2-22 (KUL) - N1-1 (GND)*1 | GR - W-B | Driver side door lock key switch input | Driver side door key cylinder UNLOCK | Below 1 V |
| Power switch OFF, all doors closed and driver side door key cylinder neutral position | Pulse generation (see waveform 1 or 2) |
|||
| N2-23 (KL) - N1-1 (GND)*1 | P - W-B | Driver side door lock key switch input | Driver side door key cylinder LOCK | Below 1 V |
| Power switch OFF, all doors closed and driver side door key cylinder neutral position | Pulse generation (see waveform 1 or 2) |
|||
| P4-11 (PML) - P4-20 (DLE)*2 | B - W | Door control switch (front passenger side door control switch) input | Door control switch (front passenger side door control switch) LOCK | Below 1 V |
| Power switch OFF, all doors closed and door control switch (front passenger side door control switch) neutral position | Pulse generation (see waveform 3 or 4) |
|||
| P4-12 (PMUL) - P4-20 (DLE)*2 | R - W | Door control switch (front passenger side door control switch) input | Door control switch (front passenger side door control switch) UNLOCK | Below 1 V |
| Power switch OFF, all doors closed and door control switch (front passenger side door control switch) neutral position | Pulse generation (see waveform 3 or 4) |
|||
| N2-25 (LSW) - N2-13 (LSWE) | R - B | Driver side door lock position switch input*1 Front passenger side door lock position switch input*2 |
Driver side door is UNLOCK*1 Front passenger side door is UNLOCK*2 |
Below 1 V |
| Power switch OFF, all doors closed and driver side door is LOCK*1 Power switch OFF, all doors closed and front passenger side door is LOCK*2 |
Pulse generation (see waveform 5 or 6) |
|||
| N2-20 (DBLS) - N2-21 (DBE)*3 | GR - G | Double lock position switch signal input | Double lock UNSET | Below 1 V |
| Power switch OFF, double lock SET | Pulse generation (see waveform 7 or 8) |
Tech Tips
*1: for RHD
*2: for LHD
*3: w/ Double Locking System
If the result is not as specified, the ECU may have a malfunction.
Using an oscilloscope, check waveform 1.
| Item | Content |
|---|---|
| Terminal No. (Symbols) |
|
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Power switch OFF, all doors closed and driver side door key cylinder neutral position |
Using an oscilloscope, check waveform 2.
| Item | Content |
|---|---|
| Terminal No. (Symbols) |
|
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Power switch OFF, all doors closed and driver side door key cylinder neutral position |
Using an oscilloscope, check waveform 3.
| Item | Content |
|---|---|
| Terminal No. (Symbols) |
|
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Power switch OFF, all doors closed and door control switch (front passenger side door control switch) neutral position |
Using an oscilloscope, check waveform 4.
| Item | Content |
|---|---|
| Terminal No. (Symbols) |
|
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Power switch OFF, all doors closed and door control switch (front passenger side door control switch) neutral position |
Using an oscilloscope, check waveform 5.
| Item | Content |
|---|---|
| Terminal No. (Symbols) | N2-25 (LSW) - N2-13 (LSWE) |
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Power switch OFF, all doors closed and driver side door is LOCK*1 Power switch OFF, all doors closed and front passenger side door is LOCK*2 |
Tech Tips
*1: for RHD
*2: for LHD
Using an oscilloscope, check waveform 6.
| Item | Content |
|---|---|
| Terminal No. (Symbols) | N2-25 (LSW) - N2-13 (LSWE) |
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Power switch OFF, all doors closed and driver side door is LOCK*1 Power switch OFF, all doors closed and front passenger side door is LOCK*2 |
Tech Tips
*1: for RHD
*2: for LHD
Using an oscilloscope, check waveform 7.
| Item | Content |
|---|---|
| Terminal No. (Symbols) | N2-20 (DBLS) - N2-21 (DBE) |
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Power switch OFF, double lock SET |
Using an oscilloscope, check waveform 8.
| Item | Content |
|---|---|
| Terminal No. (Symbols) | N2-20 (DBLS) - N2-21 (DBE) |
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Power switch OFF, double lock SET |
CHECK REAR DOOR ECU LH
Disconnect the O14 ECU connector.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbols) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| O14-1 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| O14-6 (BDR) - O14-1 (GND) | L - W-B | Battery power supply | Always | 11 to 14 V |
| O14-11 (CPUB) - O14-1 (GND) | R - W-B | Battery power supply | Always | 11 to 14 V |
If the result is not as specified, there may be a malfunction on the wire harness side.
Reconnect the O14 ECU connector.
Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbols) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| O13-2 (A+) - O14-1 (GND) | R - W-B | Door lock motor LOCK drive output | Door control switch (master switch or front passenger side door control switch) or driver side door key cylinder UNLOCK | 11 to 14 V |
| Door lock motor UNLOCK drive output | Door control switch (master switch or front passenger side door control switch) or driver side door key cylinder LOCK | Below 1 V | ||
| O13-1 (A-) - O14-1 (GND) | B - W-B | Door lock motor UNLOCK drive output | Door control switch (master switch or front passenger side door control switch) or driver side door key cylinder UNLOCK | 11 to 14 V |
| Door lock motor LOCK drive output | Door control switch (master switch or front passenger side door control switch) or driver side door key cylinder LOCK | Below 1 V | ||
| O13-10 (A1+) - O14-1 (GND)* | BE - W-B | Double lock motor SET drive output | Double lock SET | 11 to 14 V |
| Double lock UNSET | Below 1 V | |||
| O13-11 (A1-) - O14-1 (GND)* | GR - W-B | Double lock motor UNSET drive output | Double lock UNSET | 11 to 14 V |
| Double lock SET | Below 1 V | |||
| O13-14 (LSW) - O13-23 (LSWE) | R - B | Rear LH side door lock position switch input | Rear LH side door is UNLOCK | Below 1 V |
| Power switch OFF, all doors closed and rear LH side door is LOCK | Pulse generation (see waveform 1 or 2) |
|||
| O13-18 (DBLS) - O13-19 (DLE1)* | GR - BE | Double lock position switch signal input | Double lock UNSET | Below 1 V |
| Power switch OFF, double lock SET | Pulse generation (see waveform 3 or 4) |
Tech Tips
*: w/ Double Locking System
If the result is not as specified, the ECU may have a malfunction.
Using an oscilloscope, check waveform 1.
| Item | Content |
|---|---|
| Terminal No. (Symbols) | O13-14 (LSW) - O13-23 (LSWE) |
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Power switch OFF, all doors closed and rear LH side door is LOCK |
Using an oscilloscope, check waveform 2.
| Item | Content |
|---|---|
| Terminal No. (Symbols) | O13-14 (LSW) - O13-23 (LSWE) |
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Power switch OFF, all doors closed and rear LH side door is LOCK |
Using an oscilloscope, check waveform 3.
| Item | Content |
|---|---|
| Terminal No. (Symbols) | O13-18 (DBLS) - O13-19 (DLE1) |
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Power switch OFF, double lock SET |
Using an oscilloscope, check waveform 4.
| Item | Content |
|---|---|
| Terminal No. (Symbols) | O13-18 (DBLS) - O13-19 (DLE1) |
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Power switch OFF, double lock SET |
CHECK REAR DOOR ECU RH
Disconnect the O3 ECU connector.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbols) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| O3-1 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| O3-6 (BDR) - O3-1 (GND) | L - W-B | Battery power supply | Always | 11 to 14 V |
| O3-11 (CPUB) - O3-1 (GND) | R - W-B | Battery power supply | Always | 11 to 14 V |
If the result is not as specified, there may be a malfunction on the wire harness side.
Reconnect the O3 ECU connector.
Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbols) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| O4-2 (A+) - O3-1 (GND) | R - W-B | Door lock motor LOCK drive output | Door control switch (master switch or front passenger side door control switch) or driver side door key cylinder UNLOCK | 11 to 14 V |
| Door lock motor UNLOCK drive output | Door control switch (master switch or front passenger side door control switch) or driver side door key cylinder LOCK | Below 1 V | ||
| O4-1 (A-) - O3-1 (GND) | B - W-B | Door lock motor UNLOCK drive output | Door control switch (master switch or front passenger side door control switch) or driver side door key cylinder UNLOCK | 11 to 14 V |
| Door lock motor LOCK drive output | Door control switch (master switch or front passenger side door control switch) or driver side door key cylinder LOCK | Below 1 V | ||
| O4-10 (A1+) - O3-1 (GND)* | GR - W-B | Double lock motor SET drive output | Double lock SET | 11 to 14 V |
| Double lock UNSET | Below 1 V | |||
| O4-11 (A1-) - O3-1 (GND)* | BE - W-B | Double lock motor UNSET drive output | Double lock UNSET | 11 to 14 V |
| Double lock SET | Below 1 V | |||
| O4-14 (LSW) - O4-23 (LSWE) | R - B | Rear RH side door lock position switch input | Rear RH side door is UNLOCK | Below 1 V |
| Rear RH side door lock position switch input | Power switch OFF, all doors closed and rear RH side door is LOCK | Pulse generation (see waveform 1 or 2) |
||
| O4-18 (DBLS) - O4-19 (DLE1)* | GR - BE | Double lock position switch signal input | Double lock UNSET | Below 1 V |
| Power switch OFF, double lock SET | Pulse generation (see waveform 3 or 4) |
Tech Tips
*: w/ Double Locking System
If the result is not as specified, the ECU may have a malfunction.
Using an oscilloscope, check waveform 1.
| Item | Content |
|---|---|
| Terminal No. (Symbols) | O4-14 (LSW) - O4-23 (LSWE) |
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Power switch OFF, all doors closed and rear RH side door is LOCK |
Using an oscilloscope, check waveform 2.
| Item | Content |
|---|---|
| Terminal No. (Symbols) | O4-14 (LSW) - O4-23 (LSWE) |
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Power switch OFF, all doors closed and rear RH side door is LOCK |
Using an oscilloscope, check waveform 3.
| Item | Content |
|---|---|
| Terminal No. (Symbols) | O4-18 (DBLS) - O4-19 (DLE1) |
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Power switch OFF, double lock SET |
Using an oscilloscope, check waveform 4.
| Item | Content |
|---|---|
| Terminal No. (Symbols) | O4-18 (DBLS) - O4-19 (DLE1) |
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Power switch OFF, double lock SET |