Key Lock-In Prevention Function Does Not Work Properly
DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: Key Lock-in Prevention Function does not Work Properly
- Key Lock-in Prevention Function does not Work Properly
DESCRIPTION
When the key is in the ignition key cylinder or the door courtesy light ON signal is output to the main body ECU, performing the door lock operation with the lock switch does not lock the door.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1. READ VALUE USING TECHSTREAM (UNLOCK WARNING SWITCH)
(a) Use the Data List to check if the unlock warning switch is functioning properly.
Main body
OK:
When the switch is operating, Techstream should display as shown in the table.
NG -- INSPECT UNLOCK WARNING SWITCH ASSEMBLY
OK -- Continue to next step.
2. READ VALUE USING TECHSTREAM (DRIVER SIDE DOOR COURTESY LIGHT SWITCH)
(a) Use the Data List to check if the door courtesy light switch is functioning properly.
Main body
OK:
When the switch is operating, Techstream should display as shown in the table.
OK -- REPLACE INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU)
NG -- Continue to next step.
3. INSPECT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LH
(a) Remove the front door courtesy light switch.
(b) Measure the resistance of the switch.
Standard resistance:
NG -- REPLACE FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LH
OK -- Continue to next step.
4. CHECK WIRE HARNESS (ECU - SWITCH)
(a) Disconnect the K7 switch connector.
(b) Disconnect the IA junction block connector.
(c) Measure the resistance of the wire harness side connectors.
Standard resistance:
NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR
OK -- REPLACE INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU)
5. INSPECT UNLOCK WARNING SWITCH ASSEMBLY
(a) Remove the unlock warning switch.
(b) Measure the resistance of the switch.
Standard resistance:
NG -- REPLACE UNLOCK WARNING SWITCH ASSEMBLY
OK -- Continue to next step.
6. CHECK WIRE HARNESS (SWITCH - ECU)
(a) Disconnect the E6 switch connector.
(b) Disconnect the IE junction block connector.
(c) Measure the resistance of the wire harness side connectors.
Standard resistance:
NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR
OK -- REPLACE INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU)