CHECK MAIN BODY ECU RH (COWL SIDE JUNCTION BLOCK RH)
Disconnect the RK, RM, RN and RD main body ECU RH (cowl side junction block RH) connectors.
Measure the voltage and resistance according to the value(s) in the table below.
| Tester Connection | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| RK-5 (BECU) - Body ground | G-R - Body ground | Battery power supply | Always | 11 to 14 V |
| RN-1 (BATB) - Body ground | R - Body ground | Battery power supply | Always | 11 to 14 V |
| RD-7 (GND2) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| RD-17 (GND1) - 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 RK, RM, RN and RD main body ECU RH (cowl side junction block RH) connectors.
Measure the voltage according to the value(s) in the table below.
| Tester Connection | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| P1-14 (DCTY) - Body ground | W - Body ground | Driver side door courtesy switch input | Driver side door open | Below 1 V |
| P1-14 (DCTY) - Body ground | W - Body ground | Driver side door courtesy switch input | Engine switch off, and driver side door courtesy switch off | 11 to 14 V |
| J75-23 (PCTY) - Body ground | B - Body ground*1 V - Body ground*2 |
Front passenger side door courtesy switch input | Front passenger side door open | Below 1 V |
| J75-23 (PCTY) - Body ground | B - Body ground*1 V - Body ground*2 |
Front passenger side door courtesy switch input | Engine switch off, and passenger side door courtesy switch off | 11 to 14 V |
| RA-11 (LCTY) - Body ground | BR - Body ground | Rear door LH courtesy light switch input | Rear door LH open | Below 1 V |
| RA-11 (LCTY) - Body ground | BR - Body ground | Rear door LH courtesy light switch input | Engine switch off, and rear door courtesy switch LH off | 11 to 14 V |
| P1-16 (RCTY) - Body ground | BE - Body ground | Rear door RH courtesy light switch input | Rear door RH open | Below 1 V |
| P1-16 (RCTY) - Body ground | BE - Body ground | Rear door RH courtesy light switch input | Engine switch off, and rear door courtesy switch RH off | 11 to 14 V |
| J75-25 (LGCY) - Body ground | L - Body ground | Luggage compartment door courtesy light switch input | Luggage compartment door open | Below 1 V |
| J75-25 (LGCY) - Body ground | L - Body ground | Luggage compartment door courtesy light switch input | Engine switch off, and luggage compartment door closed | 11 to 14 V |
| RJ-9 (ACT+) - Body ground | L - Body ground | Door lock motor lock drive output (all doors) | Multiplex network master switch (door control switch) or driver side door key cylinder off | Below 1 V |
| RJ-9 (ACT+) - Body ground | L - Body ground | Door lock motor lock drive output (all doors) | Multiplex network master switch (door control switch) or driver side door key cylinder lock | 11 to 14 V |
| P1-4 (ACTD) - Body ground | L - Body ground*1 LG - Body ground*2 |
Driver side door lock motor unlock drive output | Multiplex network master switch (door control switch) or driver side door key cylinder off | Below 1 V |
| P1-4 (ACTD) - Body ground | L - Body ground*1 LG - Body ground*2 |
Driver side door lock motor unlock drive output | Multiplex network master switch (door control switch) or driver side door key cylinder unlock | 11 to 14 V |
| RJ-17 (ACT-) - Body ground | LG - Body ground | Door lock motor unlock drive output (except driver side) | Multiplex network master switch (door control switch) or driver side door key cylinder off | Below 1 V |
| RJ-17 (ACT-) - Body ground | LG - Body ground | Door lock motor unlock drive output (except driver side) | Multiplex network master switch (door control switch) or driver side door key cylinder unlock | 11 to 14 V |
| J75-27 (LSWP) - Body ground | W - Body ground | Passenger side door lock position switch input | Passenger side door unlock | Below 1 V |
| J75-27 (LSWP) - Body ground | W - Body ground | Passenger side door lock position switch input | Engine switch off, all doors closed and passenger side door lock | 11 to 14 V |
| RA-2 (LSWL) - Body ground | R - Body ground | Rear door LH lock position switch input | Rear door LH unlock | Below 1 V |
| RA-2 (LSWL) - Body ground | R - Body ground | Rear door LH lock position switch input | Engine switch off, all doors closed and rear door LH lock | 11 to 14 V |
| J75-5 (LSWR) - Body ground | V - Body ground | Rear door RH lock position switch input | Rear door RH unlock | Below 1 V |
| J75-5 (LSWR) - Body ground | V - Body ground | Rear door RH lock position switch input | Engine switch off, all doors closed and rear door RH lock | 11 to 14 V |
| RA-7 (GSW) - Body ground | L - Body ground | Center airbag sensor signal | Turning the engine switch on (IG) with the center airbag sensor assembly connector disconnected | 4.5 to 5.5 V |
*1: for LHD
*2: for RHD
If the result is not as specified, the main body ECU RH (cowl side junction block RH) may have a malfunction.
CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY
Disconnect the M20*1 or L22*2 multiplex network master switch assembly connector.
*1: for LHD
*2: for RHD
Measure the voltage and resistance according to the value(s) in the table below.
| Tester Connection | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| M20-15 (CPUB) - M20-12 (E) | G - W-B | Battery power supply | Always | 11 to 14 V |
| M20-18 (SIG) - M20-12 (E) | B - W-B | SIG power supply | Engine switch on (IG) → off | 11 to 14 V → Below 1 V |
| M20-12 (E) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| M20-4 (KL) - M20-12 (E) | L - W-B | Door key-linked door lock input | Using key, operate driver door lock cylinder from free → lock | 10 kΩ or higher → Below 1 Ω |
| M20-13 (KUL) - M20-12 (E) | W - W-B | Door key-linked door unlock input | Using key, operate driver door lock cylinder from free → unlock | 10 kΩ or higher → Below 1 Ω |
| M20-1 (LSW) - M20-12 (E) | SB - W-B | Driver side door lock position switch input | Driver side door unlock → lock | Below 1 Ω → 10 kΩ or higher |
| Tester Connection | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| L22-15 (CPUB) - L22-12 (E) | G - W-B | Battery power supply | Always | 11 to 14 V |
| L22-18 (SIG) - L22-12 (E) | B - W-B | SIG power supply | Engine switch on (IG) → off | 11 to 14 V → Below 1 V |
| L22-12 (E) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| L22-4 (KL) - L22-12 (E) | L - W-B | Door key-linked door lock input | Using key, operate driver door lock cylinder from free → lock | 10 kΩ or higher → Below 1 Ω |
| L22-13 (KUL) - L22-12 (E) | W - W-B | Door key-linked door unlock input | Using key, operate driver door lock cylinder from free → unlock | 10 kΩ or higher → Below 1 Ω |
| L22-1 (LSW) - L22-12 (E) | SB - W-B | Driver side door lock position switch input | Driver side door unlock → lock | Below 1 Ω → 10 kΩ or higher |
If the result is not as specified, there may be a malfunction on the wire harness side.
CHECK DOUBLE LOCK DOOR CONTROL RELAY (w/ DOUBLE LOCKING SYSTEM)
Disconnect the P34 double lock door control relay connector.
Measure the voltage and resistance according to the value(s) in the table below.
| Tester Connection | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| P34-1 (+B) - Body ground | R - Body ground | Battery power supply | Always | 11 to 14 V |
| P34-7 (CPUB) - Body ground | LG - Body ground | Battery power supply | Always | 11 to 14 V |
| P34-14 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
If the result is not as specified, there may be a malfunction on the wire harness side.
Reconnect the P34 double lock door control relay connector.
Measure the voltage according to the value(s) in the table below.
| Tester Connection | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| P34-5 (DLPD) - Body ground | R-B - Body ground | Front RH double lock position switch input | Double lock UNSET | 5 V or higher |
| P34-5 (DLPD) - Body ground | R-B - Body ground | Front RH double lock position switch input | Double lock SET | Below 1 V |
| P34-6 (DLPP) - Body ground | GR - Body ground | Front LH double lock position switch input | Double lock UNSET | 5 V or higher |
| P34-6 (DLPP) - Body ground | GR - Body ground | Front LH double lock position switch input | Double lock SET | Below 1 V |
| P34-11 (DLPR) - Body ground | L - Body ground | Rear RH double lock position switch input | Double lock UNSET | 5 V or higher |
| P34-11 (DLPR) - Body ground | L - Body ground | Rear RH double lock position switch input | Double lock SET | Below 1 V |
| P34-12 (DLPL) - Body ground | Y - Body ground | Rear LH double lock position switch input | Double lock UNSET | 5 V or higher |
| P34-12 (DLPL) - Body ground | Y - Body ground | Rear LH double lock position switch input | Double lock UNSET | Below 1 V |
| P34-3 (ACTS) - Body ground | V - Body ground | All door double lock motor set on output | Double lock UNSET | Below 1 V |
| P34-3 (ACTS) - Body ground | V - Body ground | All door double lock motor set on output | Double lock SET | 11 to 14 V |
| P34-4 (ACTR) - Body ground | P - Body ground | All door double lock motor set off output | Double lock SET | Below 1 V |
| P34-4 (ACTR) - Body ground | P - Body ground | All door double lock motor set off output | Double lock UNSET | 11 to 14 V |
If the result is not as specified, the double lock door control relay may have a malfunction.