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Problem Symptoms Table

HINT:

Inspect the fuse and relay before investigating the suspected areas shown in the table below.

POWER WINDOW CONTROL SYSTEM 

PROBLEM SYMPTOMS TABLE

Symptom Suspected area Proceed to
All doors cannot be locked/unlocked simultaneously by neither door control switch nor door key cylinder 1. Power source circuit (Body ECU) TERMINALS OF ECU 
2. Body ECU -
All doors cannot be locked/unlocked simultaneously by driver side door control switch 1. Multiplex network master switch assembly DATA LIST / ACTIVE TEST 
2. Body ECU -
All doors cannot be locked/unlocked simultaneously by front passenger 1. Door control switch circuit (Front passenger side door) Door Control Switch Circuit 
2. Body ECU -
All doors cannot be locked/unlocked simultaneously by door key cylinder 1. Driver side door key lock and unlock switch circuit DRIVER SIDE DOOR KEY LOCK AND UNLOCK SWITCH CIRCUIT 
2. Multiplex network master switch assembly DATA LIST / ACTIVE TEST 
3. Body ECU -
Driver side door lock does not operate 1. Driver side door lock motor circuit DRIVER SIDE DOOR LOCK MOTOR CIRCUIT 
2. Body ECU -
Passenger side door lock does not operate 1. Front passenger side door lock motor circuit FRONT PASSENGER SIDE DOOR LOCK MOTOR CIRCUIT 
2. Body ECU -
Rear LH side door lock does not operate 1. Rear door lock motor LH circuit REAR DOOR LOCK MOTOR LH CIRCUIT 
2. Body ECU -
Rear RH side door lock does not operate 1. Rear door lock motor RH circuit REAR DOOR LOCK MOTOR RH CIRCUIT 
2. Body ECU -
Key lock-in prevention function does not work properly (manual operation and key-linked lock are active) 1. Door courtesy switch circuit (driver side) DOOR COURTESY SWITCH CIRCUIT (DRIVER SIDE)
2. Unlock warning switch circuit UNLOCK WARNING SWITCH CIRCUIT 
3. Body ECU -
One or more doors cannot be locked/unlocked simultaneously (Wireless key operation) 1. Troubleshooting TROUBLESHOOTING 
2. Driver side door unlock detection switch circuit DRIVER SIDE DOOR UNLOCK DETECTION SWITCH CIRCUIT 
3. Front passenger door unlock detection switch circuit FRONT PASSENGER DOOR UNLOCK DETECTION SWITCH CIRCUIT 
4. Rear door unlock detection switch LH circuit REAR DOOR UNLOCK DETECTION SWITCH LH CIRCUIT 
5. Rear door unlock detection switch RH circuit REAR DOOR UNLOCK DETECTION SWITCH RH CIRCUIT 
6. Body ECU -
One or more doors cannot be locked/unlocked simultaneously (Theft deterrent operation) 1. Troubleshooting SYSTEM DESCRIPTION
2. Driver side door unlock detection switch circuit DRIVER SIDE DOOR UNLOCK DETECTION SWITCH CIRCUIT 
3. Front passenger door unlock detection switch circuit FRONT PASSENGER DOOR UNLOCK DETECTION SWITCH CIRCUIT 
4. Rear door unlock detection switch LH circuit REAR DOOR UNLOCK DETECTION SWITCH LH CIRCUIT 
5. Rear door unlock detection switch RH circuit REAR DOOR UNLOCK DETECTION SWITCH RH CIRCUIT 
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