Encoder Circuit Check Front LH

1. Turn ignition switch OFF.
2. Disconnect front power window motor LH.
3. Turn ignition switch ON.
4. Check voltage between front power window motor LH connector D9 terminal 4 and ground.

   4 - Ground : Approx. 10V 

OK or NG 

OK: GO TO  3.

NG: GO TO 2.

Fig 1: Checking Voltage Between Front Power Window Motor Connector LH Terminal And Ground

1. Turn ignition switch OFF.
2. Disconnect main power window and door lock/unlock switch.
3. Check continuity between front power window motor LH connector D9 terminal 4 and main power window and door lock/unlock switch connector D7 terminal 15.

   4 - 15 : Continuity should exist. 

OK or NG 

OK: Replace main power window and door lock/unlock switch. Refer to "REMOVAL AND INSTALLATION ".

NG: Repair or replace harness.

Fig 2: Checking Continuity Between Front Power Window Motor LH And Door Lock/Unlock Switch Connector Terminals

1. Turn ignition switch OFF.
2. Check continuity between front power window motor LH connector D9 terminal 6 and ground.

   6 - Ground : Continuity should exist. 

OK or NG 

OK: GO TO  5.

NG: GO TO 4.

Fig 3: Checking Continuity Between Front Power Window Motor LH Connector D9 Terminal And Ground

1. Disconnect main power window and door lock/unlock switch.
2. Check continuity between front power window motor LH connector D9 terminal 6 and main power window and door lock/unlock switch connector D7 terminal 2.

   6 - 2 : Continuity should exist. 

OK or NG 

OK: Replace main power window and door lock/unlock switch. Refer to "REMOVAL AND INSTALLATION ".

NG: Repair or replace harness.

Fig 4: Checking Continuity Between Front Power Window Motor LH And Door Lock/Unlock Switch Connector Terminal

1. Connect front power window motor LH.
2. Turn ignition switch ON.
3. Check the signal between main power window and door lock/ unlock switch connector and ground with oscilloscope.
   CONNECTOR TERMINALS REFERENCE CHART
   
   

   Connector	Terminals		Condition	Signal
   	(+)	(-)
   D7	13	Ground	Opening

   Fig 5: Checking Signal Between Main Power Window And Door Lock/ Unlock Switch Connector And Ground

   

OK or NG 

OK: Replace main power window and door lock/unlock switch. Refer to "REMOVAL AND INSTALLATION ".

NG: GO TO 6.

1. Turn ignition switch OFF.
2. Disconnect front power window motor LH and main power window and door lock/unlock switch.
3. Check continuity between front power window motor LH connector D9 (B) terminal 3 and main power window and door lock/unlock switch connector D7 (A) terminal 13.

   3 - 13 : Continuity should exist. 

OK or NG 

OK: Replace front power window motor LH. Refer to "FRONT DOOR GLASS AND REGULATOR ".

NG: Repair or replace harness.

Fig 6: Checking Continuity Between Front Power Window Motor LH And Door Lock/Unlock Switch Connector Terminal