Only Back Door Lock / Unlock Functions Do Not Operate

DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: Only Back Door LOCK / UNLOCK Functions do not Operate
- Only Back Door LOCK / UNLOCK Functions do not Operate

DESCRIPTION

The main body ECU receives lock / unlock switch signals and activates the door lock motor accordingly.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT BACK DOOR WITH MOTOR LOCK ASSEMBLY





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

OK:





(b) w/ Smart Key System:

(1) Measure the resistance of the door lock position switch.

Standard resistance:





NG -- REPLACE BACK DOOR WITH MOTOR LOCK ASSEMBLY
OK -- Continue to next step.

2. CHECK WIRE HARNESS (DOOR LOCK - ECU)





(a) Disconnect the Q7 door lock connector.

(b) Disconnect the E15 ECU connector.

(c) Disconnect the IH junction block connector.

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

Standard resistance:





*: w/ Smart Key System

NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR

OK -- REPLACE INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU)