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All Doors Cannot Be Locked / Unlocked Simultaneously








DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: All Doors cannot be Locked / Unlocked Simultaneously

All Doors cannot be Locked / Unlocked Simultaneously

DESCRIPTION

The integration relay drives the door lock motors with driver/passenger side door control switch signals, or driver/passenger side door key cylinder signals.

WIRING DIAGRAM









INSPECTION PROCEDURE

PROCEDURE

1. CHECK ALL DOOR LOCK/UNLOCK OPERATION
(a) All doors can be simultaneously locked/unlocked using one of the following:

- Pressing the driver side door control switch
- Pressing the passenger side door control switch
- Turning the driver door key cylinder with the key
- Turning the passenger door key cylinder with the key
(b) Proceed to the next step according to the symptom if all the doors cannot be locked/unlocked at once.





*1: with Jam Protection
E -- INSPECT FUSE (ECU-B, DOOR, DCC)
D -- INSPECT FRONT DOOR LOCK ASSEMBLY RH (DOOR LOCK MOTOR)
C -- INSPECT FRONT DOOR LOCK ASSEMBLY LH (DOOR LOCK MOTOR)
B -- INSPECT DOOR CONTROL SWITCH ASSEMBLY (PASSENGER SIDE)
A -- Continue to next step.
2. INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY (DOOR CONTROL SWITCH)





(a) Measure the resistance of the door control switch (with Jam Protection).
Standard resistance:










(b) Measure the resistance of the door control switch (without Jam Protection).
Standard resistance:






NG -- REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY
OK -- Continue to next step.
3. CHECK WIRE HARNESS (POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND BODY GROUND)
(a) Disconnect the P9 (*1) or P17 (*2) switch connector.





(b) Disconnect the 1H junction block connector.
(c) Measure the resistance of the wire harness side connectors.
Standard resistance:





*1: with Jam Protection
*2: without Jam Protection
NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR
OK -- Continue to next step.
4. CHECK OPERATION OF INTEGRATION RELAY
(a) After replacing the integration relay with a normally functioning relay, check that the power door lock operates normally.
OK:
Power door lock operates normally.
NG -- REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
OK -- NORMAL (INTEGRATION RELAY DEFECTIVE)
5. INSPECT DOOR CONTROL SWITCH ASSEMBLY (PASSENGER SIDE)





(a) Measure the resistance of the switch (with Jam Protection).
Standard resistance:










(b) Measure the resistance of the switch (without Jam Protection).
Standard resistance:






NG -- REPLACE DOOR CONTROL SWITCH ASSEMBLY
OK -- Continue to next step.
6. CHECK WIRE HARNESS (DOOR CONTROL SWITCH ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY (INTEGRATION RELAY) AND BODY GROUND)
(a) Disconnect the D13 (*1) or D14 (*2) switch connector.





(b) Disconnect the 1H junction block connector.
(c) Measure the resistance of the wire harness side connectors.
Standard resistance:





*1: with Jam Protection
*2: without Jam Protection
NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR
OK -- Continue to next step.
7. CHECK OPERATION OF INTEGRATION RELAY
(a) After replacing the integration relay with a normally functioning relay, check that the power door lock operates normally.
OK:
Power door lock operates normally.
NG -- REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
OK -- NORMAL (INTEGRATION RELAY DEFECTIVE)
8. INSPECT FRONT DOOR LOCK ASSEMBLY LH (DOOR LOCK MOTOR)





(a) Apply battery voltage to the door lock and check operation of the door lock motor.
OK:






NG -- REPLACE FRONT DOOR LOCK ASSEMBLY LH
OK -- Continue to next step.
9. INSPECT FRONT DOOR LOCK ASSEMBLY LH (DOOR LOCK AND UNLOCK SWITCH AND LOCK DETECTION SWITCH)





(a) Measure the resistance of the door lock and unlock switch and lock detection switch.
Standard resistance:
Door lock and unlock switch
Detection switch










NG -- REPLACE FRONT DOOR LOCK ASSEMBLY
OK -- Continue to next step.
10. CHECK WIRE HARNESS (FRONT DOOR LOCK ASSEMBLY LH - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY (INTEGRATION RELAY) AND BODY GROUND)





(a) Disconnect the D11 lock connector.
(b) Disconnect the I6 relay connector.
(c) Disconnect the 1H junction block connector.
(d) Measure the resistance of the wire harness side connectors.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR
OK -- Continue to next step.
11. CHECK OPERATION INTEGRATION RELAY
(a) After replacing the integration relay with a normally functioning relay, check that the power door lock operates normally.
OK:
Power door lock operates normally.
NG -- REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
OK -- NORMAL (INTEGRATION RELAY DEFECTIVE)
12. INSPECT FRONT DOOR LOCK ASSEMBLY RH (DOOR LOCK MOTOR)





(a) Apply battery voltage to the door lock and check operation of the door lock motor.
OK:






NG -- REPLACE FRONT DOOR LOCK ASSEMBLY RH
OK -- Continue to next step.
13. INSPECT FRONT DOOR LOCK ASSEMBLY RH (DOOR LOCK AND UNLOCK SWITCH)





(a) Measure the resistance of the door lock and unlock switch.
Standard resistance:






NG -- REPLACE FRONT DOOR LOCK ASSEMBLY RH
OK -- Continue to next step.
14. CHECK WIRE HARNESS (FRONT DOOR LOCK ASSEMBLY RH - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY (INTEGRATION RELAY) AND BODY GROUND)





(a) Disconnect the D12 lock connector.
(b) Disconnect the 1H junction block connector.
(c) Measure the resistance of the wire harness side connectors.
Standard resistance:





*1: with Jam Protection
NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR
OK -- Continue to next step.
15. CHECK OPERATION OF INTEGRATION RELAY
(a) After replacing the integration relay with a normally functioning relay, check that the power door lock operates normally.
OK:
Power door lock operates normally.
NG -- REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
OK -- NORMAL (INTEGRATION RELAY DEFECTIVE)
16. INSPECT FUSE (ECU-B, DOOR, DCC)
(a) Remove the DOOR fuse from the instrument panel junction block.
(b) Remove the ECU-B and DCC fuses from the engine room relay block.
(c) Measure the resistance of the fuses.
Standard resistance:
Below 1 Ohms
NG -- REPLACE FUSE
OK -- Continue to next step.
17. CHECK WIRE HARNESS (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY (INTEGRATION RELAY) - BATTERY AND BODY GROUND)





(a) Disconnect the 1B, 1G and 1E junction block connectors.
(b) Measure the voltage and resistance of the wire harness side connectors.
Standard voltage:






Standard resistance:






NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR
OK -- Continue to next step.
18. CHECK OPERATION OF INTEGRATION RELAY
(a) After replacing the integration relay with a normally functioning relay, check that the power door lock operates normally.
OK:
Power door lock operates normally.
NG -- REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
OK -- NORMAL (INTEGRATION RELAY DEFECTIVE)
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