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 door control transmitter is in the vehicle and the door courtesy light ON signal is output to the main body ECU RH, the doors cannot be locked.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK SMART ACCESS SYSTEM WITH PUSH-BUTTON START

(a) Check that each function of the entry door lock operates normally by using the lock switch.

OK:

Entry door lock is functioning normally function.

NG -- GO TO SMART ACCESS SYSTEM WITH PUSH-BUTTON START How To Proceed With Troubleshooting
OK -- Continue to next step.

2. READ VALUE USING TECHSTREAM (FRONT DOOR COURTESY LIGHT SWITCH LH)

(a) Check the DATA LIST for proper functioning of the door courtesy light switch.

Main Body ECU RH





OK:

ON (driver side door is unlocked) appears on screen.

OK -- REPLACE MAIN BODY ECU RH
NG -- Continue to next step.

3. INSPECT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LH





(a) Remove the 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 U1 ECU connector.

(b) Disconnect the V7 switch connector.

(c) Measure the resistance of the wire harness side connectors.

Standard resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE MAIN BODY ECU RH