CHECK MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK)
Disconnect the DA, DD, L11, L12 and L13 ECU connectors.
Measure the resistance and voltage according to the value(s) in the table below.
| Terminal No. (Symbols) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| 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 |
| L11-1 (GND3) - DA-41 (GND1) | W-B - W-B | Ground | Always | Below 1 Ω |
| L13-24 (DCTY) - Body ground | W - Body ground | Driver side door courtesy light switch signal | Driver side door courtesy light switch on | Below 1 Ω |
| L13-24 (DCTY) - Body ground | W - Body ground | Driver side door courtesy light switch signal | Driver side door courtesy light switch off | 10 kΩ or higher |
| L12-21 (PCTY) - Body ground | L - Body ground | Front passenger side door courtesy light switch signal | Front passenger side door courtesy light switch on | Below 1 Ω |
| L12-21 (PCTY) - Body ground | L - Body ground | Front passenger side door courtesy light switch signal | Front passenger side door courtesy light switch off | 10 kΩ or higher |
| DD-12 (LCTY) - Body ground | L - Body ground | Rear door LH side door courtesy light switch signal | Rear LH side door courtesy light switch on | Below 1 Ω |
| DD-12 (LCTY) - Body ground | L - Body ground | Rear door LH side door courtesy light switch signal | Rear LH side door courtesy light switch off | 10 kΩ or higher |
| L12-7 (RCTY) - Body ground | R - Body ground | Rear door RH side door courtesy light switch signal | Rear RH side door courtesy light switch on | Below 1 Ω |
| L12-7 (RCTY) - Body ground | R - Body ground | Rear door RH side door courtesy light switch signal | Rear RH side door courtesy light switch off | 10 kΩ or higher |
| L12-1 (AM2) - Body ground | W - Body ground | Power supply | Always | 11 to 14 V |
| L13-6 (AM1) - Body ground | W - Body ground | 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 MULTIPLEX NETWORK DOOR ECU LH
Disconnect the N10 ECU connector.
Measure the resistance and voltage 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) - Body ground | BE - Body ground | Power supply circuit | Always | 11 to 14 V |
| N10-11 (CPUB) - Body ground | B - Body ground*1 R - Body ground*2 |
Power supply circuit | 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 |
|---|---|---|---|---|
| N9-5 (A2+) - N9-6 (A2-) | L - G | Front door closer motor circuit | Driver side door open → Fully closed (Closer operation) | Below 1 V → 11 to 14 V → Below 1 V |
| N9-7 (POLE) - N9-15 (CPSE) | V - P | Pawl switch signal input | Driver side door open → Fully closed (Closer operation) | 11 to 14 V → Below 1 V → 11 to 14 V → Below 1 V → 11 to 14 V |
| N9-8 (HALF) - N9-15 (CPSE) | BE - P | Half-latch switch signal input | Driver side door open → Fully closed (Closer operation) | Below 1 V → 11 to 14 V |
| N9-9 (FULL) - N9-15 (CPSE) | Y - P | Full-latch switch signal input | Driver side door open → Fully closed (Closer operation) | Below 1 V → 11 to 14 V |
| N9-18 (INIT) - N9-15 (CPSE) | L - P | Initial position switch signal input | Driver side door open → Fully closed (Closer operation) | 11 to 14 V → Below 1 V → 11 to 14 V |
| N9-19 (HNDL) - N9-15 (CPSE) | G - P | Handle switch signal input | Driver side door outside or inside handle not pulled | 11 to 14 V |
| Driver side door outside or inside handle pulled | Below 1 V |
If the result is not as specified, the ECU may have a malfunction.
CHECK FRONT MULTIPLEX NETWORK DOOR ECU RH
Disconnect the N1 ECU connector.
Measure the resistance and voltage 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) - Body ground | BE - Body ground | Power supply circuit | Always | 11 to 14 V |
| N1-11 (CPUB) - Body ground | R - Body ground*1 B - Body ground*2 |
Power supply circuit | 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 |
|---|---|---|---|---|
| N2-5 (A2+) - N2-6 (A2-) | L - G | Front door closer motor circuit | Front passenger side door open → Fully closed (Closer operation) | Below 1 V → 11 to 14 V → Below 1 V |
| N2-7 (POLE) - N2-15 (CPSE) | V - P | Pawl switch signal input | Front passenger side door open → Fully closed (Closer operation) | 11 to 14 V → Below 1 V → 11 to 14 V → Below 1 V → 11 to 14 V |
| N2-8 (HALF) - N2-15 (CPSE) | BE - P | Half-latch switch signal input | Front passenger side door open → Fully closed (Closer operation) | Below 1 V → 11 to 14 V |
| N2-9 (FULL) - N2-15 (CPSE) | Y - P | Full-latch switch signal input | Front passenger side door open → Fully closed (Closer operation) | Below 1 V → 11 to 14 V |
| N2-18 (INIT) - N2-15 (CPSE) | L - P | Initial position switch signal input | Front passenger side door open → Fully closed (Closer operation) | 11 to 14 V → Below 1 V → 11 to 14 V |
| N2-19 (HNDL) - N2-15 (CPSE) | G - P | Handle switch signal input | Front passenger side door outside or inside handle not pulled | 11 to 14 V |
| Front passenger side door outside or inside handle pulled | Below 1 V |
If the result is not as specified, the ECU may be malfunctioning.
CHECK REAR MULTIPLEX NETWORK DOOR ECU LH
Disconnect the O14 ECU connector.
Measure the resistance and voltage 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) - Body ground | L - Body ground | Power supply circuit | Always | 11 to 14 V |
| O14-11 (CPUB) - Body ground | R - Body ground | Power supply circuit | 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 |
|---|---|---|---|---|
| O13-3 (A2+) - O13-4 (A2-) | L - G | Front door closer motor circuit | Rear door LH side open → Fully closed (Closer operation) | Below 1 V → 11 to 14 V → Below 1 V |
| O13-7 (POLE) - O13-15 (CPSE) | V - P | Pawl switch signal input | Rear door LH side open → Fully closed (Closer operation) | 11 to 14 V → Below 1 V → 11 to 14 V → Below 1 V → 11 to 14 V |
| O13-8 (HALF) - O13-15 (CPSE) | BE - P | Half-latch switch signal input | Rear door LH side open → Fully closed (Closer operation) | Below 1 V → 11 to 14 V |
| O13-9 (FULL) - O13-15 (CPSE) | Y - P | Full-latch switch signal input | Rear door LH side open → Fully closed (Closer operation) | Below 1 V → 11 to 14 V |
| O13-16 (INIT) - O13-15 (CPSE) | L - P | Initial position switch signal input | Rear door LH side open → Fully closed (Closer operation) | 11 to 14 V → Below 1 V → 11 to 14 V |
| O13-24 (HNDL) - O13-15 (CPSE) | G - P | Handle switch signal input | Rear door LH side outside or inside handle not pulled | 11 to 14 V |
| Rear door LH side outside or inside handle pulled | Below 1 V |
If the result is not as specified, the ECU may have a malfunction.
CHECK REAR MULTIPLEX NETWORK DOOR ECU RH
Disconnect the O3 ECU connector.
Measure the resistance and voltage 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) - Body ground | L - Body ground | Power supply circuit | Always | 11 to 14 V |
| O3-11 (CPUB) - Body ground | R - Body ground | Power supply circuit | 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 |
|---|---|---|---|---|
| O4-3 (A2+) - O4-4 (A2-) | L - G | Front door closer motor circuit | Rear door RH side open → Fully closed (Closer operation) | Below 1 V → 11 to 14 V → Below 1 V |
| O4-7 (POLE) - O4-15 (CPSE) | V - P | Pawl switch signal input | Rear door RH side open → Fully closed (Closer operation) | 11 to 14 V → Below 1 V → 11 to 14 V → Below 1 V → 11 to 14 V |
| O4-8 (HALF) - O4-15 (CPSE) | BE - P | Half-latch switch signal input | Rear door RH side open → Fully closed (Closer operation) | Below 1 V → 11 to 14 V |
| O4-9 (FULL) - O4-15 (CPSE) | Y - P | Full-latch switch signal input | Rear door RH side open → Fully closed (Closer operation) | Below 1 V → 11 to 14 V |
| O4-16 (INIT) - O4-15 (CPSE) | L - P | Initial position switch signal input | Rear door RH side open → Fully closed (Closer operation) | 11 to 14 V → Below 1 V → 11 to 14 V |
| O4-24 (HNDL) - O4-15 (CPSE) | G - P | Handle switch signal input | Rear door RH side outside or inside handle not pulled | 11 to 14 V |
| Rear door RH side outside or inside handle pulled | Below 1 V |
If the result is not as specified, the ECU may have a malfunction.