CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY
*1: for LHD
*2: for RHD
Disconnect the Q25*1 or Q10*2 multiplex network master switch 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 |
|---|---|---|---|---|
| Q25-11 (B) - Q25-12 (GND) | P - W-B | Battery power supply | Engine switch off | 11 to 14 V |
| Q25-12 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| Q10-11 (B) - Q10-12 (GND) | P - W-B | Battery power supply | Engine switch off | 11 to 14 V |
| Q10-12 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
If the result is not as specified, there may be a malfunction in the wire harness.
Reconnect the Q25*1 or Q10*2 multiplex network master switch connector.
Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| Q25-15 (DOWN) - Q25-12 (GND) | R - W-B | Power window motor down input | Engine switch on (IG), multiplex network master switch off | 11 to 14 V |
| Q25-15 (DOWN) - Q25-12 (GND) | R - W-B | Power window motor down input | Engine switch on (IG), multiplex network master switch down (Manual operation) | Below 1 V |
| Q25-18 (LED) - Q25-12 (GND) | L - W-B | LED illumination signal | Engine switch on (IG) | 11 to 14 V |
| Q25-18 (LED) - Q25-12 (GND) | L - W-B | LED illumination signal | Approximately 43 seconds after engine switch turned off | Below 1 V |
| Q25-20 (UP) - Q25-12 (GND) | LG - W-B | Power window motor up input | Engine switch on (IG), multiplex network master switch off | 11 to 14 V |
| Q25-20 (UP) - Q25-12 (GND) | LG - W-B | Power window motor up input | Engine switch on (IG), multiplex network master switch up (Manual operation) | Below 1 V |
| Q25-17 (LIN1) - Q25-12 (GND) | Y - W-B | LIN communication signal | Engine switch on (IG) | Pulse generation |
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| Q10-15 (DOWN) - Q10-12 (GND) | R - W-B | Power window motor down input | Engine switch on (IG), multiplex network master switch off | 11 to 14 V |
| Q10-15 (DOWN) - Q10-12 (GND) | R - W-B | Power window motor down input | Engine switch on (IG), multiplex network master switch down (Manual operation) | Below 1 V |
| Q10-18 (LED) - Q10-12 (GND) | L - W-B | LED illumination signal | Engine switch on (IG) | 11 to 14 V |
| Q10-18 (LED) - Q10-12 (GND) | L - W-B | LED illumination signal | Approximately 43 seconds after engine switch turned off | Below 1 V |
| Q10-20 (UP) - Q10-12 (GND) | LG - W-B | Power window motor up input | Engine switch on (IG), multiplex network master switch off | 11 to 14 V |
| Q10-20 (UP) - Q10-12 (GND) | LG - W-B | Power window motor up input | Engine switch on (IG), multiplex network master switch up (Manual operation) | Below 1 V |
| Q10-17 (LIN1) - Q10-12 (GND) | Y - W-B | LIN communication signal | Engine switch on (IG) | Pulse generation |
CHECK FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY
*1: for LHD
*2: for RHD
Disconnect the Q9*1 or Q24*2 front power window regulator switch assembly connector.
Measure the resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| Q9-5 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| Q24-5 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
If the result is not as specified, there may be a malfunction in the wire harness.
Reconnect the Q9*1 or Q24*2 front power window regulator switch assembly connector.
Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| Q9-2 (UP) - Q9-5 (GND) | LG - W-B | Power window motor up input | Engine switch on (IG), power window regulator switch off | 11 to 14 V |
| Q9-2 (UP) - Q9-5 (GND) | LG - W-B | Power window motor up input | Engine switch on (IG), power window regulator switch up | Below 1 V |
| Q9-4 (AUTO) - Q9-5 (GND) | B - W-B | Power window motor auto up or down input | Engine switch on (IG), door glass fully open | 11 to 14 V |
| Q9-4 (AUTO) - Q9-5 (GND) | B - W-B | Power window motor auto up or down input | Engine switch on (IG), power window auto up or down function operating | Below 1 V |
| Q9-4 (AUTO) - Q9-5 (GND) | B - W-B | Power window motor auto up or down input | Engine switch on (IG), door glass fully closed | 11 to 14 V |
| Q9-8 (LED) - Q9-5 (GND) | L - W-B | LED illumination signal | Engine switch on (IG) | 11 to 14 V |
| Q9-8 (LED) - Q9-5 (GND) | L - W-B | LED illumination signal | Approximately 43 seconds after engine switch is turned off | Below 1 V |
| Q9-10 (DOWN) - Q9-5 (GND) | R - W-B | Power window motor down input | Engine switch on (IG), power window regulator switch off | 11 to 14 V |
| Q9-10 (DOWN) - Q9-5 (GND) | R - W-B | Power window motor down input | Engine switch on (IG), power window regulator switch down | Below 1 V |
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| Q24-2 (UP) - Q24-5 (GND) | LG - W-B | Power window motor up input | Engine switch on (IG), power window regulator switch off | 11 to 14 V |
| Q24-2 (UP) - Q24-5 (GND) | LG - W-B | Power window motor up input | Engine switch on (IG), power window regulator switch up | Below 1 V |
| Q24-4 (AUTO) - Q24-5 (GND) | P - W-B | Power window motor auto up or down input | Engine switch on (IG), door glass fully open | 11 to 14 V |
| Q24-4 (AUTO) - Q24-5 (GND) | P - W-B | Power window motor auto up or down input | Engine switch on (IG), power window auto up or down function operating | Below 1 V |
| Q24-4 (AUTO) - Q24-5 (GND) | P - W-B | Power window motor auto up or down input | Engine switch on (IG), door glass fully closed | 11 to 14 V |
| Q24-8 (LED) - Q24-5 (GND) | L - W-B | LED illumination signal | Engine switch on (IG) | 11 to 14 V |
| Q24-8 (LED) - Q24-5 (GND) | L - W-B | LED illumination signal | Approximately 43 seconds after engine switch is turned off | Below 1 V |
| Q24-10 (DOWN) - Q24-5 (GND) | R - W-B | Power window motor down input | Engine switch on (IG), power window regulator switch off | 11 to 14 V |
| Q24-10 (DOWN) - Q24-5 (GND) | R - W-B | Power window motor down input | Engine switch on (IG), power window regulator switch down | Below 1 V |
CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH
Disconnect the R14 rear power window regulator switch LH connector.
Measure the resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| R14-5 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
If the result is not as specified, there may be a malfunction in the wire harness.
Reconnect the R14 rear power window regulator switch LH connector.
Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| R14-2 (UP) - R14-5 (GND) | W - W-B | Power window motor up input | Engine switch on (IG), power window regulator switch off | 11 to 14 V |
| R14-2 (UP) - R14-5 (GND) | W - W-B | Power window motor up input | Engine switch on (IG), power window regulator switch up | Below 1 V |
| R14-4 (AUTO) - R14-5 (GND) | P - W-B | Power window motor auto up or down input | Engine switch on (IG), door glass fully open | 11 to 14 V |
| R14-4 (AUTO) - R14-5 (GND) | P - W-B | Power window motor auto up or down input | Engine switch on (IG), power window auto up or down function operating | Below 1 V |
| R14-4 (AUTO) - R14-5 (GND) | P - W-B | Power window motor auto up or down input | Engine switch on (IG), door glass fully closed | 11 to 14 V |
| R14-8 (LED) - R14-5 (GND) | L - W-B | LED illumination signal | Engine switch on (IG) | 11 to 14 V |
| R14-8 (LED) - R14-5 (GND) | L - W-B | LED illumination signal | Approximately 43 seconds after engine switch is turned off | Below 1 V |
| R14-10 (DOWN) - R14-5 (GND) | R - W-B | Power window motor down input | Engine switch on (IG), power window regulator switch off | 11 to 14 V |
| R14-10 (DOWN) - R14-5 (GND) | R - W-B | Power window motor down input | Engine switch on (IG), power window regulator switch down | Below 1 V |
CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RH
Disconnect the R6 rear power window regulator switch RH connector.
Measure the resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| R6-5 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
If the result is not as specified, there may be a malfunction in the wire harness.
Reconnect the R6 rear power window regulator switch RH connector.
Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| R6-2 (UP) - R6-5 (GND) | W - W-B | Power window motor up input | Engine switch on (IG), power window regulator switch off | 11 to 14 V |
| R6-2 (UP) - R6-5 (GND) | W - W-B | Power window motor up input | Engine switch on (IG), power window regulator switch up | Below 1 V |
| R6-4 (AUTO) - R6-5 (GND) | P - W-B | Power window motor auto up or down input | Engine switch on (IG), door glass fully open | 11 to 14 V |
| R6-4 (AUTO) - R6-5 (GND) | P - W-B | Power window motor auto up or down input | Engine switch on (IG), power window auto up or down function operating | Below 1 V |
| R6-4 (AUTO) - R6-5 (GND) | P - W-B | Power window motor auto up or down input | Engine switch on (IG), door glass fully closed | 11 to 14 V |
| R6-8 (LED) - R6-5 (GND) | L - W-B | LED illumination signal | Engine switch on (IG) | 11 to 14 V |
| R6-8 (LED) - R6-5 (GND) | L - W-B | LED illumination signal | Approximately 43 seconds after engine switch is turned off | Below 1 V |
| R6-10 (DOWN) - R6-5 (GND) | R - W-B | Power window motor down input | Engine switch on (IG), power window regulator switch off | 11 to 14 V |
| R6-10 (DOWN) - R6-5 (GND) | R - W-B | Power window motor down input | Engine switch on (IG), power window regulator switch down | Below 1 V |
CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH
Disconnect the Q17 front power window regulator motor 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 |
|---|---|---|---|---|
| Q17-1 (E) - Body ground | BR - Body ground | Ground | Always | Below 1 Ω |
| Q17-2 (B) - Q17-1 (E) | R - BR | Battery power supply | Always | 11 to 14 V |
If the result is not as specified, there may be a malfunction in the wire harness.
Reconnect the Q17 front power window regulator motor LH connector.
Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| Q17-5 (LED) - Q17-1 (E) | L - BR | LED illumination signal | Engine switch on (IG) | 11 to 14 V |
| Q17-5 (LED) - Q17-1 (E) | L - BR | LED illumination signal | Approximately 43 seconds after engine switch turned off | Below 1 V |
| Q17-7 (DWN1) - Q17-1 (E) | R - BR | Power window motor down output | Engine switch on (IG), multiplex network master switch*1 or power window regulator switch*2 off | 11 to 14 V |
| Q17-7 (DWN1) - Q17-1 (E) | R - BR | Power window motor down output | Engine switch on (IG), multiplex network master switch*1 or power window regulator switch*2 down | Below 1 V |
| Q17-7 (DWN1) - Q17-1 (E) | R - BR | Power window motor down output | Engine switch on (IG), door glass fully closed | 11 to 14 V |
| Q17-7 (DWN1) - Q17-1 (E) | R - BR | Power window motor down output | Engine switch on (IG), power window manual down function operating | Below 1 V |
| Q17-7 (DWN1) - Q17-1 (E) | R - BR | Power window motor down output | Engine switch on (IG), door glass fully open | 11 to 14 V |
| Q17-10 (UP1) - Q17-1 (E) | LG - BR | Power window motor up output | Engine switch on (IG), multiplex network master switch*1 or power window regulator switch*2 off | 11 to 14 V |
| Q17-10 (UP1) - Q17-1 (E) | LG - BR | Power window motor up output | Engine switch on (IG), multiplex network master switch*1 or power window regulator switch*2 up | Below 1 V |
| Q17-10 (UP1) - Q17-1 (E) | LG - BR | Power window motor up output | Engine switch on (IG), door glass fully open | 11 to 14 V |
| Q17-10 (UP1) - Q17-1 (E) | LG - BR | Power window motor up output | Engine switch on (IG), power window manual up function operating | Below 1 V |
| Q17-10 (UP1) - Q17-1 (E) | LG - BR | Power window motor up output | Engine switch on (IG), door glass fully closed | 11 to 14 V |
| Q17-9 (LIN) - Q17-1 (E) | GR - BR | LIN communication signal | Engine switch on (IG) | Pulse generation |
*1: for LHD
*2: for RHD
CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH
Disconnect the Q2 front power window regulator motor 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 |
|---|---|---|---|---|
| Q2-1 (E) - Body ground | BR - Body ground | Ground | Always | Below 1 Ω |
| Q2-2 (B) - Q2-1 (E) | R - BR | Battery power supply | Always | 11 to 14 V |
If the result is not as specified, there may be a malfunction in the wire harness.
Reconnect the Q2 front power window regulator motor RH connector.
Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| Q2-5 (LED) - Q2-1 (E) | L - BR | LED illumination signal | Engine switch on (IG) | 11 to 14 V |
| Q2-5 (LED) - Q2-1 (E) | L - BR | LED illumination signal | Approximately 43 seconds after engine switch turned off | Below 1 V |
| Q2-7 (DWN1) - Q2-1 (E) | R - BR | Power window motor down output | Engine switch on (IG), power window regulator switch*1 or multiplex network master switch*2 off | 11 to 14 V |
| Q2-7 (DWN1) - Q2-1 (E) | R - BR | Power window motor down output | Engine switch on (IG), power window regulator switch*1 or multiplex network master switch*2 down | Below 1 V |
| Q2-7 (DWN1) - Q2-1 (E) | R - BR | Power window motor down output | Engine switch on (IG), door glass fully closed | 11 to 14 V |
| Q2-7 (DWN1) - Q2-1 (E) | R - BR | Power window motor down output | Engine switch on (IG), power window manual down function operating | Below 1 V |
| Q2-7 (DWN1) - Q2-1 (E) | R - BR | Power window motor down output | Engine switch on (IG), door glass fully open | 11 to 14 V |
| Q2-10 (UP1) - Q2-1 (E) | LG - BR | Power window motor up output | Engine switch on (IG), power window regulator switch*1 or multiplex network master switch*2 off | 11 to 14 V |
| Q2-10 (UP1) - Q2-1 (E) | LG - BR | Power window motor up output | Engine switch on (IG), power window regulator switch*1 or multiplex network master switch*2 up | Below 1 V |
| Q2-10 (UP1) - Q2-1 (E) | LG - BR | Power window motor up output | Engine switch on (IG), door glass fully open | 11 to 14 V |
| Q2-10 (UP1) - Q2-1 (E) | LG - BR | Power window motor up output | Engine switch on (IG), power window manual up function operating | Below 1 V |
| Q2-10 (UP1) - Q2-1 (E) | LG - BR | Power window motor up output | Engine switch on (IG), door glass fully closed | 11 to 14 V |
| Q2-9 (LIN) - Q2-1 (E) | V - BR | LIN communication signal | Engine switch on (IG) | Pulse generation |
*1: for LHD
*2: for RHD
CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH
Disconnect the R9 rear power window regulator motor 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 |
|---|---|---|---|---|
| R9-1 (E) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| R9-2 (B) - R9-1 (E) | R - W-B | Battery power supply | Always | 11 to 14 V |
If the result is not as specified, there may be a malfunction in the wire harness.
Reconnect the R9 rear power window regulator motor LH connector.
Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| R9-5 (LED) - R9-1 (E) | L - W-B | LED illumination signal | Engine switch on (IG) | 11 to 14 V |
| R9-5 (LED) - R9-1 (E) | L - W-B | LED illumination signal | Approximately 43 seconds after engine switch turned off | Below 1 V |
| R9-7 (DWN1) - R9-1 (E) | R - W-B | Power window motor down input | Engine switch on (IG), power window regulator switch off | 11 to 14 V |
| R9-7 (DWN1) - R9-1 (E) | R - W-B | Power window motor down input | Engine switch on (IG), power window regulator switch down | Below 1 V |
| R9-7 (DWN1) - R9-1 (E) | R - W-B | Power window motor down input | Engine switch on (IG), door glass fully closed | 11 to 14 V |
| R9-7 (DWN1) - R9-1 (E) | R - W-B | Power window motor down input | Engine switch on (IG), power window manual down function operating | Below 1 V |
| R9-7 (DWN1) - R9-1 (E) | R - W-B | Power window motor down input | Engine switch on (IG), door glass fully open | 11 to 14 V |
| R9-10 (UP1) - R9-1 (E) | W - W-B | Power window motor up output | Engine switch on (IG), power window regulator switch off | 11 to 14 V |
| R9-10 (UP1) - R9-1 (E) | W - W-B | Power window motor up output | Engine switch on (IG), power window regulator switch up | Below 1 V |
| R9-10 (UP1) - R9-1 (E) | W - W-B | Power window motor up output | Engine switch on (IG), door glass fully open | 11 to 14 V |
| R9-10 (UP1) - R9-1 (E) | W - W-B | Power window motor up output | Engine switch on (IG), power window manual up function operating | Below 1 V |
| R9-10 (UP1) - R9-1 (E) | W - W-B | Power window motor up output | Engine switch on (IG), door glass fully closed | 11 to 14 V |
| R9-9 (LIN) - R9-1 (E) | L - W-B | LIN communication signal | Engine switch on (IG) | Pulse generation |
CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH
Disconnect the R1 rear power window regulator motor 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 |
|---|---|---|---|---|
| R1-1 (E) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| R1-2 (B) - R1-1 (E) | R - W-B | Battery power supply | Always | 11 to 14 V |
If the result is not as specified, there may be a malfunction in the wire harness.
Reconnect the R1 rear power window regulator motor RH connector.
Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| R1-5 (LED) - R1-1 (E) | L - W-B | LED illumination signal | Engine switch on (IG) | 11 to 14 V |
| R1-5 (LED) - R1-1 (E) | L - W-B | LED illumination signal | Approximately 43 seconds after engine switch turned off | Below 1 V |
| R1-7 (DWN1) - R1-1 (E) | R - W-B | Power window motor down output | Engine switch on (IG), power window regulator switch off | 11 to 14 V |
| R1-7 (DWN1) - R1-1 (E) | R - W-B | Power window motor down output | Engine switch on (IG), power window regulator switch down | Below 1 V |
| R1-7 (DWN1) - R1-1 (E) | R - W-B | Power window motor down output | Engine switch on (IG), door glass fully closed | 11 to 14 V |
| R1-7 (DWN1) - R1-1 (E) | R - W-B | Power window motor down output | Engine switch on (IG), power window manual down function operating | Below 1 V |
| R1-7 (DWN1) - R1-1 (E) | R - W-B | Power window motor down output | Engine switch on (IG), door glass fully open | 11 to 14 V |
| R1-10 (UP1) - R1-1 (E) | W - W-B | Power window motor up output | Engine switch on (IG), power window regulator switch off | 11 to 14 V |
| R1-10 (UP1) - R1-1 (E) | W - W-B | Power window motor up output | Engine switch on (IG), power window regulator switch up | Below 1 V |
| R1-10 (UP1) - R1-1 (E) | W - W-B | Power window motor up output | Engine switch on (IG), door glass fully open | 11 to 14 V |
| R1-10 (UP1) - R1-1 (E) | W - W-B | Power window motor up output | Engine switch on (IG), power window manual up function operating | Below 1 V |
| R1-10 (UP1) - R1-1 (E) | W - W-B | Power window motor up output | Engine switch on (IG), door glass fully closed | 11 to 14 V |
| R1-9 (LIN) - R1-1(E) | L - W-B | LIN communication signal | Engine switch on (IG) | Pulse generation |
CHECK COWL SIDE JUNCTION BLOCK LH, MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
| *1 | Main Body ECU (Multiplex Network Body ECU) | - | - |
Remove the main body ECU (multiplex network body ECU) Click here.
Connect the cowl side junction block 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 |
|---|---|---|---|---|
| A-30 (BECU) - Body ground | - | Battery power supply | Always | 11 to 14 V |
| A-31 (ALTB) - Body ground | - | Battery power supply | Always | 11 to 14 V |
| A-32 (IG) - Body ground | - | Ignition switch power supply | Engine switch on (IG) | 11 to 14 V |
| A-32 (IG) - Body ground | - | Ignition switch power supply | Engine switch off | Below 1 V |
| A-29 (ACC) - Body ground | - | ACC power supply | Engine switch on (ACC) | 11 to 14 V |
| A-29 (ACC) - Body ground | - | ACC power supply | Engine switch off | Below 1 V |
| A-11 (GND1) - Body ground | - | Ground | Always | Below 1 Ω |
| N13-3 (GND2) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
If the result is not as specified, there may be a malfunction in the wire harness or cowl side junction block LH.
Install the main body ECU (multiplex network body ECU) Click here.
Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| 5C-44 (FLCY) - Body ground | R - Body ground | Front door LH courtesy switch input | Front door LH open | Below 1 V |
| 5C-44 (FLCY) - Body ground | R - Body ground | Front door LH courtesy switch input | Front door LH closed | Pulse generation |
| 5A-33 (FRCY) - Body ground | R - Body ground | Front door RH courtesy switch input | Front door RH open | Below 1 V |
| 5A-33 (FRCY) - Body ground | R - Body ground | Front door RH courtesy switch input | Front door RH closed | Pulse generation |
| 5C-28 (LIN2) - Body ground | Y - Body ground | LIN communication signal | Engine switch on (IG) | Pulse generation |
| 5C-29 (LIN2) - Body ground | Y - Body ground | LIN communication signal | Engine switch on (IG) | Pulse generation |
| 5A-50 (LIN2) - Body ground | Y - Body ground | LIN communication signal | Engine switch on (IG) | Pulse generation |
| 5A-56 (LIN2) - Body ground | Y - Body ground | LIN communication signal | Engine switch on (IG) | Pulse generation |
CHECK FRONT MULTIPLEX NETWORK DOOR ECU LH
*: for LHD
Disconnect the Q19 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 |
|---|---|---|---|---|
| Q19-4 (CPUB) - Q19-1 (GND) | P - W-B | Battery power supply | Always | 11 to 14 V |
| Q19-6 (BDR) - Q19-1 (GND) | V - W-B | Battery power supply | Always | 11 to 14 V |
| Q19-16 (BCUT)* - Q19-1 (GND) | W - W-B | Battery power supply | Always | 11 to 14 V |
| Q19-3 (SIG) - Q19-1 (GND) | B - W-B | Engine switch power supply | Engine switch on (IG) | 11 to 14 V |
| Q19-1 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
If the result is not as specified, there may be a malfunction in the wire harness.
Reconnect the Q19 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 |
|---|---|---|---|---|
| Q19-5 (BDRJ) - Q19-1 (GND) | R - W-B | Power window regulator motor power supply | Always | 11 to 14 V |
| Q19-2 (PWE) - Body ground | BR - Body ground | Ground | Always | Below 1 V |
| Q19-15 (CPBJ)* - Q19-1 (GND) | P - W-B | Multiplex network master switch power supply | Always | 11 to 14 V |
| Q19-9 (SGND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| Q18-9 (LIN3) - Q19-1 (GND) | GR - W-B | LIN communication signal | Engine switch on (IG) | Pulse generation |
| Q18-8 (LIN2)* - Q19-1 (GND) | Y - W-B | LIN communication signal | Engine switch on (IG) | Pulse generation |
| Q18-18 (LIN1) - Q19-1 (GND) | Y - W-B | LIN communication signal | Engine switch on (IG) | Pulse generation |
CHECK FRONT MULTIPLEX NETWORK DOOR ECU RH
*: for RHD
Disconnect the Q4 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 |
|---|---|---|---|---|
| Q4-6 (BDR) - Body ground | V - Body ground | Battery power supply | Always | 11 to 14 V |
| Q4-4 (CPUB) - Body ground | P - Body ground | Battery power supply | Always | 11 to 14 V |
| Q4-16 (BCUT)* - Body ground | L - Body ground | Battery power supply | Always | 11 to 14 V |
| Q4-3 (SIG) - Q4-1 (GND) | B - W-B | Engine switch power supply | Engine switch on (IG) | 11 to 14 V |
| Q4-1 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
If the result is not as specified, there may be a malfunction in the wire harness.
Reconnect the Q4 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 |
|---|---|---|---|---|
| Q4-2 (PWE) - Body ground | BR - Body ground | Ground | Always | Below 1 V |
| Q4-5 (BDRJ) - Body ground | R - Body ground | Power window regulator motor power supply | Always | 11 to 14 V |
| Q4-15 (CPBJ)* - Body ground | P - Body ground | Multiplex network master switch power supply | Always | 11 to 14 V |
| Q4-9 (SGND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| Q3-9 (LIN3) - Q4-1 (GND) | V - W-B | LIN communication signal | Engine switch on (IG) | Pulse generation |
| Q3-8 (LIN2)* - Q4-1 (GND) | Y - W-B | LIN communication signal | Engine switch on (IG) | Pulse generation |
| Q3-18 (LIN1) - Q4-1 (GND) | Y - W-B | LIN communication signal | Engine switch on (IG) | Pulse generation |