FixVault

Problem Symptoms Table

HINT:

Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Power door lock control system 

POWER DOOR LOCK CONTROL SYSTEM SYMPTOM

Symptom Suspected area See reference
All the doors cannot be locked or unlocked 1. Power source circuit POWER SOURCE CIRCUIT 
2. ECU power source circuit ECU POWER SOURCE CIRCUIT 
3. Door lock control switch circuit DOOR LOCK CONTROL SWITCH CIRCUIT 
4. Theft deterrent ECU -
5. Power window regulator master switch -
6. Body ECU (Main) -
Driver side door lock does not operate 1. Door lock / unlock switch circuit DOOR KEY LOCK / UNLOCK SWITCH CIRCUIT 
2. Door lock motor circuit DOOR LOCK MOTOR CIRCUIT 
3. Power window regulator master switch -
4. Theft deterrent ECU -
5. Body ECU (Main) -
Door key related function cannot be performed 1. Door lock / unlock switch circuit DOOR KEY LOCK / UNLOCK SWITCH CIRCUIT 
2. Theft deterrent ECU -
3. Power window regulator master switch -
4. Body ECU (Main) -
Key confinement prevention function does not operate 1. Door courtesy switch circuit DOOR COURTESY SWITCH CIRCUIT 
2. Door unlock detection switch circuit DOOR UNLOCK DETECTION SWITCH CIRCUIT 
3. Theft deterrent ECU -
4. Power window regulator master switch -
5. Body ECU (Main) -