Diagnosis Procedure

Regarding Wiring Diagram information, refer to WIRING DIAGRAM .

1. CHECK POWER WINDOW RELAY CONTROL CIRCUIT
   
   
   1. Disconnect BCM connector.
   2. Turn ignition switch ON.
   3. Check voltage between BCM connector and ground.

      (+)		(-)	Voltage (Approx.)
      Connector	Terminal	Ground	Battery voltage
      M18	23

   Is the inspection result normal?

   YES 

   Replace the BCM. Refer to REMOVAL AND INSTALLATION (with Intelligent Key system) or REMOVAL AND INSTALLATION (without Intelligent Key system).

   NO 

   GO TO STEP 2  .

2. CHECK HARNESS CONTINUITY
   
   
   1. Turn ignition switch OFF.
   2. Disconnect BCM and power window relay.
   3. Check continuity between BCM connector and power window relay connector.

      BCM		Power window relay		Continuity
      Connector	Terminal	Connector	Terminal
      M18	23	M58	1	Yes

   Is the inspection result normal?

   YES 

   GO TO STEP 3  .

   NO 

   Repair or replace harness.

3. CHECK POWER WINDOW RELAY
   
   

   Check power window relay.

   Refer to COMPONENT INSPECTION .

   Is the inspection result normal?

   YES 

   Check intermittent incident. Refer to INTERMITTENT INCIDENT .

   NO 

   Replace power window relay.