Main Power Window and Door Lock/Unlock Switch Power Supply and Ground Circuit Check

1. Turn ignition switch ON.
2. Check voltage between main power window and door lock/unlock switch connector D5 terminal 5 and ground.

   5 - Ground : Battery voltage 

OK or NG 

OK: GO TO 2.

NG: GO TO  3.

Fig 1: Checking Voltage Between Main Power Window And Door Lock/ Unlock Switch Connector D7 Terminal 5 And Ground

1. Turn ignition switch OFF.
2. Disconnect main power window and door lock/unlock switch.
3. Check continuity between main power window and door lock/unlock switch connector and ground.
   CONNECTOR TERMINAL CONTINUITY SPECIFICATION
   
   

   Connector	Terminals		Continuity
   D5	14	Ground	Yes

   Fig 2: Checking Continuity Between Main Power Window And Door Lock/Unlock Switch Connector And Ground

   

OK or NG 

OK: Power supply and ground circuit are OK.

NG: Repair or replace harness.

1. Turn ignition switch OFF.
2. Disconnect BCM and main power window and door lock/unlock switch.
3. Check continuity between BCM connector (A) and main power window and door lock/unlock switch connector (B).
   CONNECTOR TERMINAL CONTINUITY SPECIFICATION
   
   

   A		B		Continuity
   Connector	Terminal	Connector	Terminal
   M20	68	D5	5	Yes

4. Check continuity between BCM connector (A) and ground.
   CONNECTOR TERMINAL CONTINUITY SPECIFICATION
   
   

   A		Ground	Continuity
   Connector	Terminal
   M20	68		No

   Fig 3: Checking Continuity Between BCM Connector And Main Power Window And Door Lock/Unlock Switch Connector

   

OK or NG 

OK: GO TO 4.

NG: Repair or replace harness.

1. Connect BCM.
2. Turn ignition switch ON.
3. Check voltage between BCM connector M20 terminal 68 and ground.

   68 - Ground : Battery voltage 

OK or NG 

OK: Check the condition of the harness and the connector.

NG: Replace BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".

Fig 4: Checking Voltage Between BCM Connector M20 Terminal 68 And Ground