POWER DOOR LOCK CONTROL SYSTEM > TERMINALS OF ECU |
| CHECK COWL SIDE JUNCTION BLOCK RH (MULTIPLEX NETWORK BODY ECU) |

Disconnect the DA, DD and DK J/B connectors.
Disconnect the V1 ECU connector.
Measure the voltage and resistance of the wire harness side connectors.
| Symbols (Terminal No.) | Wiring Color | Terminal Description | Condition | Specified Condition |
| BECU (DK-5) - GND2 (DA-5) | G-R - W-B | BECU power supply | Always | 10 to 14 V |
| GND2 (DA-5) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| GND2 (DD-7) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| DCTY (V1-14) - Body ground | R - Body ground | Driver side door courtesy light switch signal | Driver side door is closed | Below 1 Ω |
| DCTY (V1-14) - Body ground | R - Body ground | Driver side door courtesy light switch signal | Driver side door is open | 10 kΩ or higher |
| CHECK DRIVER DOOR ECU |

Disconnect the O3 and O4*1, or N3 and N4*2 ECU connectors.
Measure the voltage and resistance of the wire harness side connectors.
| Symbols (Terminal No.) | Wiring Color | Terminal Description | Condition | Specified Condition |
| CPUB (O3-4) - GND (O3-1)*1 | LG - W-B | Battery power supply | Always | 10 to 14 V |
| BDR (O3-6) - GND (O3-1)*1 | L - W-B | Battery power supply | Always | 10 to 14 V |
| SIG (O3-3) - GND (O3-1)*1 | Y - W-B | SIG power supply | Engine switch on (IG) | 10 to 14 V |
| SIG (O3-3) - GND (O3-1)*1 | Y - W-B | SIG power supply | Engine switch off | Below 1 V |
| GND (O3-1) - Body ground*1 | W-B - Body ground | Ground | Always | Below 1 Ω |
| CPUB (N4-4) - GND (N4-1)*2 | B - W-B | Battery power supply | Always | 10 to 14 V |
| BDR (N4-6) - GND (N4-1)*2 | LR - W-B | Battery power supply | Always | 10 to 14 V |
| SIG (N4-3) - GND (N4-1)*2 | O - W-B | SIG power supply | Engine switch on (IG) | 10 to 14 V |
| SIG (N4-3) - GND (N4-1)*2 | O - W-B | SIG power supply | Engine switch off | Below 1 V |
| GND (N4-1) - Body ground*2 | W-B - Body ground | Ground | Always | Below 1 Ω |
| DBSL (O4-3) - DBE (O4-4)*1, 3 | GR - W-B | Double lock position switch signal | Double lock SET | Below 1 Ω |
| DBSL (O4-3) - DBE (O4-4)*1, 3 | GR - W-B | Double lock position switch signal | Double lock UNSET | 10 kΩ or higher |
| DBSL (N3-3) - DBE (N3-4)*2, 3 | GR - W-B | Double lock position switch signal | Double lock SET | Below 1 Ω |
| DBSL (N3-3) - DBE (N3-4)*2, 3 | GR - W-B | Double lock position switch signal | Double lock UNSET | 10 kΩ or higher |
Reconnect the O3 and O4*1, or N3 and N4*2 ECU connectors.
Measure the voltage of the connectors.
| Symbols (Terminal No.) | Wiring Color | Terminal Description | Condition | Specified Condition |
| A- (O4-1) - GND (O3-1)*1 | R - W-B | Door lock motor LOCK drive output | Door control switch (master switch or passenger side door control switch) or driver side door key cylinder UNLOCK | 10 to 14 V |
| A- (O4-1) - GND (O3-1)*1 | R - W-B | Door lock motor LOCK drive output | Door control switch (master switch or passenger side door control switch) or driver side door key cylinder LOCK | Below 1 V |
| A+ (O4-2) - GND (O3-1)*1 | G - W-B | Door lock motor UNLOCK drive output | Door control switch (master switch or passenger side door control switch) or driver side door key cylinder LOCK | 10 to 14 V |
| A+ (O4-2) - GND (O3-1)*1 | G - W-B | Door lock motor UNLOCK drive output | Door control switch (master switch or passenger side door control switch) or driver side door key cylinder UNLOCK | Below 1 V |
| A- (N3-1) - GND (N4-1)*2 | LG - W-B | Door lock motor LOCK drive output | Door control switch (master switch or passenger side door control switch) or driver side door key cylinder UNLOCK | 10 to 14 V |
| A- (N3-1) - GND (N4-1)*2 | LG - W-B | Door lock motor LOCK drive output | Door control switch (master switch or passenger side door control switch) or driver side door key cylinder LOCK | Below 1 V |
| A+ (N3-2) - GND (N4-1)*2 | G - W-B | Door lock motor UNLOCK drive output | Door control switch (master switch or passenger side door control switch) or driver side door key cylinder LOCK | 10 to 14 V |
| A+ (N3-2) - GND (N4-1)*2 | G - W-B | Door lock motor UNLOCK drive output | Door control switch (master switch or passenger side door control switch) or driver side door key cylinder UNLOCK | Below 1 V |
| AI+ (O4-5) - GND (O3-1)*1, 3 | G - W-B | Double lock motor SET drive output | Double lock SET | 10 to 14 V |
| AI+ (O4-5) - GND (O3-1)*1, 3 | G - W-B | Double lock motor SET drive output | Double lock UNSET | Below 1 V |
| AI- (O4-6) - GND (O3-1)*1, 3 | R - W-B | Double lock motor SET drive output | Double lock UNSET | 10 to 14 V |
| AI- (O4-6) - GND (O3-1)*1, 3 | R - W-B | Double lock motor SET drive output | Double lock SET | Below 1 V |
| AI+ (N3-5) - GND (N4-1)*2, 3 | G - W-B | Double lock motor SET drive output | Double lock SET | 10 to 14 V |
| AI+ (N3-5) - GND (N4-1)*2, 3 | G - W-B | Double lock motor SET drive output | Double lock UNSET | Below 1 V |
| AI- (N3-6) - GND (N4-1)*2, 3 | R - W-B | Double lock motor SET drive output | Double lock UNSET | 10 to 14 V |
| AI- (N3-6) - GND (N4-1)*2, 3 | R - W-B | Double lock motor SET drive output | Double lock SET | Below 1 V |
| CHECK PASSENGER DOOR ECU |

Disconnect the N3 and N4*1, or O3 and O4*2 ECU connectors.
Measure the voltage and resistance of the wire harness side connectors.
| Symbols (Terminal No.) | Wiring Color | Terminal Description | Condition | Specified Condition |
| CPUB (N4-4) - GND (N4-1)*1 | B - W-B | Battery power supply | Always | 10 to 14 V |
| BDR (N4-6) - GND (N4-1)*1 | LR - W-B | Battery power supply | Always | 10 to 14 V |
| SIG (N4-3) - GND (N4-1)*1 | O - W-B | SIG power supply | Engine switch on (IG) | 10 to 14 V |
| SIG (N4-3) - GND (N4-1)*1 | O - W-B | SIG power supply | Engine switch off | Below 1 V |
| GND (N4-1) - Body ground*1 | W-B - Body ground | Ground | Always | Below 1 Ω |
| LSW (N3-14) - LSWE (N3-4)*1 | G - LG | Door lock position switch signal | Passenger side door is locked | Below 1 Ω |
| LSW (N3-14) - LSWE (N3-4)*1 | G - LG | Door lock position switch signal | Passenger side door is unlocked | 10 kΩ or higher |
| CPUB (O3-4) - GND (O3-1)*2 | LG - W-B | Battery power supply | Always | 10 to 14 V |
| BDR (O3-6) - GND (O3-1)*2 | L - W-B | Battery power supply | Always | 10 to 14 V |
| SIG (O3-3) - GND (O3-1)*2 | Y - W-B | SIG power supply | Engine switch on (IG) | 10 to 14 V |
| SIG (O3-3) - GND (O3-1)*2 | Y - W-B | SIG power supply | Engine switch off | Below 1 V |
| GND (O3-1) - Body ground*2 | W-B - Body ground | Ground | Always | Below 1 Ω |
| LSW (O4-14) - LSWE (O4-4)*2 | O - LG | Door lock position switch signal | Passenger side door is locked | Below 1 Ω |
| LSW (O4-14) - LSWE (O4-4)*2 | O - LG | Door lock position switch signal | Passenger side door is unlocked | 10 kΩ or higher |
| DBSL (N3-3) - DBE (N3-4)*1, 3 | GR - W-B | Double lock position switch signal | Double lock SET | Below 1 Ω |
| DBSL (N3-3) - DBE (N3-4)*1, 3 | GR - W-B | Double lock position switch signal | Double lock UNSET | 10 kΩ or higher |
| DBSL (O4-3) - DBE (O4-4)*2, 3 | GR - W-B | Double lock position switch signal | Double lock SET | Below 1 Ω |
| DBSL (O4-3) - DBE (O4-4)*2, 3 | GR - W-B | Double lock position switch signal | Double lock UNSET | 10 kΩ or higher |
Reconnect the N3 and N4*1, or O3 and O4*2 ECU connectors.
Measure the voltage of the connectors.
| Symbols (Terminal No.) | Wiring Color | Terminal Description | Condition | Specified Condition |
| A- (N3-1) - GND (N4-1)*1 | LG - W-B | Door lock motor LOCK drive output | Door control switch (master switch or passenger side door control switch) or driver side door key cylinder UNLOCK | 10 to 14 V |
| A- (N3-1) - GND (N4-1)*1 | LG - W-B | Door lock motor LOCK drive output | Door control switch (master switch or passenger side door control switch) or driver side door key cylinder LOCK | Below 1 V |
| A+ (N3-2) - GND (N4-1)*1 | G - W-B | Door lock motor UNLOCK drive output | Door control switch (master switch or passenger side door control switch) or driver side door key cylinder LOCK | 10 to 14 V |
| A+ (N3-2) - GND (N4-1)*1 | G - W-B | Door lock motor UNLOCK drive output | Door control switch (master switch or passenger side door control switch) or driver side door key cylinder UNLOCK | Below 1 V |
| A- (O4-1) - GND (O3-1)*2 | R - W-B | Door lock motor LOCK drive output | Door control switch (master switch or passenger side door control switch) or driver side door key cylinder UNLOCK | 10 to 14 V |
| A- (O4-1) - GND (O3-1)*2 | R - W-B | Door lock motor LOCK drive output | Door control switch (master switch or passenger side door control switch) or driver side door key cylinder LOCK | Below 1 V |
| A+ (O4-2) - GND (O3-1)*2 | G - W-B | Door lock motor UNLOCK drive output | Door control switch (master switch or passenger side door control switch) or driver side door key cylinder LOCK | 10 to 14 V |
| A+ (O4-2) - GND (O3-1)*2 | G - W-B | Door lock motor UNLOCK drive output | Door control switch (master switch or passenger side door control switch) or driver side door key cylinder UNLOCK | Below 1 V |
| AI+ (N3-5) - GND (N4-1)*1, 3 | G - W-B | Double lock motor SET drive output | Double lock SET | 10 to 14 V |
| AI+ (N3-5) - GND (N4-1)*1, 3 | G - W-B | Double lock motor SET drive output | Double lock UNSET | Below 1 V |
| AI- (N3-6) - GND (N4-1)*1, 3 | R - W-B | Double lock motor SET drive output | Double lock UNSET | 10 to 14 V |
| AI- (N3-6) - GND (N4-1)*1, 3 | R - W-B | Double lock motor SET drive output | Double lock SET | Below 1 V |
| AI+ (O4-5) - GND (O3-1)*2, 3 | G - W-B | Double lock motor SET drive output | Double lock SET | 10 to 14 V |
| AI+ (O4-5) - GND (O3-1)*2, 3 | G - W-B | Double lock motor SET drive output | Double lock UNSET | Below 1 V |
| AI- (O4-6) - GND (O3-1)*2, 3 | R - W-B | Double lock motor SET drive output | Double lock UNSET | 10 to 14 V |
| AI- (O4-6) - GND (O3-1)*2, 3 | R - W-B | Double lock motor SET drive output | Double lock SET | Below 1 V |
| CHECK REAR DOOR ECU LH |

Disconnect the Q2 and Q3 ECU connectors.
Measure the voltage and resistance of the wire harness side connectors.
| Symbols (Terminal No.) | Wiring Color | Terminal Description | Condition | Specified Condition |
| CPUB (Q2-4) - GND (Q2-1) | BR - W-B | Battery power supply | Always | 10 to 14 V |
| BDR (Q2-6) - GND (Q2-1) | L - W-B | Battery power supply | Always | 10 to 14 V |
| SIG (Q2-3) - GND (Q2-1) | G - W-B | SIG power supply | Engine switch on (IG) | 10 to 14 V |
| SIG (Q2-3) - GND (Q2-1) | G - W-B | SIG power supply | Engine switch off | Below 1 V |
| GND (Q2-1) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| LSW (Q3-14) - LSWE (Q3-13) | LG - W-B | Rear door side LH door lock position switch input | Rear door side LH door is UNLOCK | Below 1 Ω |
| LSW (Q3-14) - LSWE (Q3-13) | LG - W-B | Rear door side LH door lock position switch input | Rear door side LH door is LOCK | 10 kΩ or higher |
| DBSL (Q3-3) - DBE (Q3-4)* | GR - W-B | Double lock position switch signal | Double lock SET | Below 1 Ω |
| DBSL (Q3-3) - DBE (Q3-4)* | GR - W-B | Double lock position switch signal | Double lock UNSET | 10 kΩ or higher |
Reconnect the Q2 and Q3 ECU connectors.
Measure the voltage of the connectors.
| Symbols (Terminal No.) | Wiring Color | Terminal Description | Condition | Specified Condition |
| A- (Q3-1) - GND (Q2-1) | G - W-B | Door lock motor LOCK drive output | Door control switch (master switch or passenger side door control switch) or driver side door key cylinder UNLOCK | 10 to 14 V |
| A- (Q3-1) - GND (Q2-1) | G - W-B | Door lock motor LOCK drive output | Door control switch (master switch or passenger side door control switch) or driver side door key cylinder LOCK | Below 1 V |
| A+ (Q3-2) - GND (Q2-1) | O - W-B | Door lock motor UNLOCK drive output | Door control switch (master switch or passenger side door control switch) or driver side door key cylinder LOCK | 10 to 14 V |
| A+ (Q3-2) - GND (Q2-1) | O - W-B | Door lock motor UNLOCK drive output | Door control switch (master switch or passenger side door control switch) or driver side door key cylinder UNLOCK | Below 1 V |
| AI+ (Q3-5) - GND (Q2-1)* | G - W-B | Double lock motor SET drive output | Double lock SET | 10 to 14 V |
| AI+ (Q3-5) - GND (Q2-1)* | G - W-B | Double lock motor SET drive output | Double lock UNSET | Below 1 V |
| AI- (Q3-6) - GND (Q2-1)* | R - W-B | Double lock motor SET drive output | Double lock UNSET | 10 to 14 V |
| AI- (Q3-6) - GND (Q2-1)* | R - W-B | Double lock motor SET drive output | Double lock SET | Below 1 V |
| CHECK REAR DOOR ECU RH |

Disconnect the P2 and P3 ECU connectors.
Measure the voltage and resistance of the wire harness side connectors.
| Symbols (Terminal No.) | Wiring Color | Terminal Description | Condition | Specified Condition |
| CPUB (P3-4) - GND (P3-1) | G - W-B | Battery power supply | Always | 10 to 14 V |
| BDR (P3-6) - GND (P3-1) | L - W-B | Battery power supply | Always | 10 to 14 V |
| SIG (P3-3) - GND (P3-1) | L - W-B | SIG power supply | Engine switch on (IG) | 10 to 14 V |
| SIG (P3-3) - GND (P3-1) | L - W-B | SIG power supply | Engine switch off | Below 1 V |
| GND (P3-1) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| LSW (P2-14) - LSWE (P2-13) | LG - W-B | Rear door side RH door lock position switch input | Rear door side RH door UNLOCK | Below 1 Ω |
| LSW (P2-14) - LSWE (P2-13) | LG - W-B | Rear door side RH door lock position switch input | Rear door side RH door UNLOCK | 10 kΩ or higher |
| DBSL (P2-3) - DBE (P2-4)* | GR - W-B | Double lock position switch signal | Double lock SET | Below 1 Ω |
| DBSL (P2-3) - DBE (P2-4)* | GR - W-B | Double lock position switch signal | Double lock UNSET | 10 kΩ or higher |
Reconnect the P2 and P3 ECU connectors.
Measure the voltage of the connectors.
| Symbols (Terminal No.) | Wiring Color | Terminal Description | Condition | Specified Condition |
| A- (P2-1) - GND (P3-1) | G - W-B | Door lock motor LOCK drive output | Door control switch (master switch or passenger side door control switch) or driver side door key cylinder UNLOCK | 10 to 14 V |
| A- (P2-1) - GND (P3-1) | G - W-B | Door lock motor LOCK drive output | Door control switch (master switch or passenger side door control switch) or driver side door key cylinder LOCK | Below 1 V |
| A+ (P2-2) - GND (P3-1) | O - W-B | Door lock motor UNLOCK drive output | Door control switch (master switch or passenger side door control switch) or driver side door key cylinder LOCK | 10 to 14 V |
| A+ (P2-2) - GND (P3-1) | O - W-B | Door lock motor UNLOCK drive output | Door control switch (master switch or passenger side door control switch) or driver side door key cylinder UNLOCK | Below 1 V |
| AI+ (P2-5) - GND (P3-1)* | G - W-B | Double lock motor SET drive output | Double lock SET | 10 to 14 V |
| AI+ (P2-5) - GND (P3-1)* | G - W-B | Double lock motor SET drive output | Double lock UNSET | Below 1 V |
| AI- (P2-6) - GND (P3-1)* | R - W-B | Double lock motor SET drive output | Double lock UNSET | 10 to 14 V |
| AI- (P2-6) - GND (P3-1)* | R - W-B | Double lock motor SET drive output | Double lock SET | Below 1 V |
| CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY |

Disconnect the S5*1 or R9*2 switch connector.
Measure the voltage and resistance of the wire harness side connector.
| Symbols (Terminal No.) | Wiring Color | Terminal Description | Condition | Specified Condition |
| CPUB (S5-9) - E (S5-2)*1 | G - W-B | Battery power supply | Always | 10 to 14 V |
| BDR1 (S5-10) - E (S5-2)*1 | Y - W-B | Battery power supply | Always | 10 to 14 V |
| SIG (S5-20) - E (S5-2)*1 | V - W-B | SIG power supply | Engine switch on (IG) | 10 to 14 V |
| SIG (S5-20) - E (S5-2)*1 | V - W-B | SIG power supply | Engine switch off | Below 1 V |
| E (S5-20) - Body ground*1 | W-B - Body ground | Ground | Always | Below 1 Ω |
| KL (S5-4) - E (S5-2)*1 | LG - W-B | Door key-linked door lock input | Using key, operate driver door lock cylinder LOCK | Below 1 Ω |
| KL (S5-4) - E (S5-2)*1 | LG - W-B | Door key-linked door lock input | Using key, operate driver door lock cylinder UNLOCK | 10 kΩ or higher |
| KUL (S5-14) - E (S5-2)*1 | P - W-B | Door key-linked door unlock input | Using key, operate driver door lock cylinder LOCK | Below 1 Ω |
| KUL (S5-14) - E (S5-2)*1 | P - W-B | Door key-linked door unlock input | Using key, operate driver door lock cylinder UNLOCK | 10 kΩ or higher |
| LSW (S5-16) - E (S5-2)*1 | Y - W-B | Driver side door lock position switch input | Driver side door is unlocked | Below 1 Ω |
| LSW (S5-16) - E (S5-2)*1 | Y - W-B | Driver side door lock position switch input | Driver side door is locked | 10 kΩ or higher |
| CPUB (R9-9) - E (R9-2)*2 | G - W-B | Battery power supply | Always | 10 to 14 V |
| BDR1 (R9-10) - E (R9-2)*2 | Y - W-B | Battery power supply | Always | 10 to 14 V |
| SIG (R9-20) - E (R9-2)*2 | V - W-B | SIG power supply | Engine switch on (IG) | 10 to 14 V |
| SIG (R9-20) - E (R9-2)*2 | V - W-B | SIG power supply | Engine switch off | Below 1 V |
| E (R9-20) - Body ground*2 | W-B - Body ground | Ground | Always | Below 1 Ω |
| KL (R9-4) - E (R9-2)*2 | LG - W-B | Door key-linked door lock input | Using key, operate driver door lock cylinder LOCK | Below 1 Ω |
| KL (R9-4) - E (R9-2)*2 | LG - W-B | Door key-linked door lock input | Using key, operate driver door lock cylinder UNLOCK | 10 kΩ or higher |
| KUL (R9-14) - E (R9-2)*2 | P - W-B | Door key-linked door unlock input | Using key, operate driver door lock cylinder LOCK | Below 1 Ω |
| KUL (R9-14) - E (R9-2)*2 | P - W-B | Door key-linked door unlock input | Using key, operate driver door lock cylinder UNLOCK | 10 kΩ or higher |
| LSW (R9-16) - E (R9-2)*2 | Y - W-B | Driver side door lock position switch input | Driver side door is unlocked | Below 1 Ω |
| LSW (R9-16) - E (R9-2)*2 | Y - W-B | Driver side door lock position switch input | Driver side door is locked | 10 kΩ or higher |