FixVault

Problem Symptoms Table

HINT:

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

Power door lock control system 

POWER DOOR LOCK CONTROL SYSTEM - PROBLEM SYMPTOMS CHART

Symptom Suspected Area See
All Doors LOCK/UNLOCK Functions do not Operate Via Master Switch, Driver Side Door Key Cylinder FR DOOR LH fuse ALL DOORS LOCK / UNLOCK FUNCTIONS DO NOT OPERATE VIA MASTER SWITCH, DRIVER SIDE DOOR KEY CYLINDER 
MPX-B fuse -
D/C CUT fuse -
Front door lock assembly LH -
Wire harness -
Multiplex network master switch assembly (power window regulator master switch assembly) -
Front multiplex network door ECU LH -
Cowl side Junction Block RH (multiplex network body ECU) -
All Doors LOCK/UNLOCK Functions do not Operate Via Door Control Switch MPX-B fuse ALL DOORS LOCK / UNLOCK FUNCTIONS DO NOT OPERATE VIA DOOR CONTROL SWITCH 
Door control switch assembly -
Wire harness -
Front multiplex network door ECU RH -
Cowl side Junction Block RH (multiplex network body ECU) -
Only Driver Door LOCK/UNLOCK Functions do not Operate Front door lock assembly LH ONLY DRIVER DOOR LOCK / UNLOCK FUNCTIONS DO NOT OPERATE 
Wire harness -
Front multiplex network door ECU LH -
Only Passenger Door LOCK/UNLOCK Functions do not Operate Front door lock assembly RH ONLY PASSENGER DOOR LOCK / UNLOCK FUNCTIONS DO NOT OPERATE 
Wire harness -
Front multiplex network door ECU RH -
Only Rear Door LH LOCK/UNLOCK Functions do not Operate RR DOOR LH fuse ONLY REAR DOOR LH LOCK / UNLOCK FUNCTIONS DO NOT OPERATE 
Rear door lock assembly LH -
Wire harness -
Rear multiplex network door ECU LH -
Only Rear Door RH LOCK/UNLOCK Functions do not Operate RR DOOR RH fuse ONLY REAR DOOR RH LOCK / UNLOCK FUNCTIONS DO NOT OPERATE 
Rear door lock assembly RH -
Wire harness -
Rear multiplex network door ECU LH -
Key lock-in prevention function does not work properly (manual operation and key-linked lock are available) Front door courtesy light switch assembly LH KEY LOCK-IN PREVENTION FUNCTION DOES NOT WORK PROPERLY 
Wire harness -
Cowl side Junction Block RH (multiplex network body ECU) -