Power Door Lock Control System Problem Symptoms Table

Power Door Lock Control System -- Problem Symptoms Table


  1. Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, 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.
  2. Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Power Door Lock Control System
Symptom
Suspected Area
See page
Only Driver Door Lock/Unlock Functions do not Operate
Front door lock assembly (Driver side)
LandCruiser RM000001Y7Y04WX.html
Harness or connector
-
Main body ECU (Multiplex network body ECU)
-
Driver side junction block assembly
-
Only Front Passenger Door Lock/Unlock Functions do not Operate
Front door lock assembly (Front passenger side)
LandCruiser RM000001Y7Y04WX.html
Harness or connector
-
Main body ECU (Multiplex network body ECU)
-
Driver side junction block assembly
-
Only Rear Door LH Lock/Unlock Functions do not Operate*1
Rear door lock assembly LH
LandCruiser RM000001Y7Z044X.html
Harness or connector
-
Main body ECU (Multiplex network body ECU)
-
Driver side junction block assembly
-
Only Rear Door RH Lock/Unlock Functions do not Operate*1
Rear door lock assembly RH
LandCruiser RM000001Y7Z044X.html
Harness or connector
-
Main body ECU (Multiplex network body ECU)
-
Driver side junction block assembly
-
Only Back Door Lock/Unlock Functions do not Operate
Back door lock assembly
LandCruiser RM000001Y8004VX.html
Harness or connector
-
Main body ECU (Multiplex network body ECU)
-
Driver side junction block assembly
-
All Doors Lock/Unlock Functions do not Operate
Main body ECU (Multiplex network body ECU)
-
Driver side junction block assembly
-
No Door Lock/Unlock Functions Operate Via Master Switch or Driver Side Door Key Cylinder
Proceed to "All Doors LOCK/UNLOCK Functions do not Operate Via Master Switch, Driver Side Door Key Cylinder"
LandCruiser RM000000TO50DBX.html
Double Locking Function does not Operate Properly*2
LIN communication system
LandCruiser RM000001RSO0BWX.html
Front door lock assembly LH
LandCruiser RM000001Y7Y04WX.html
Front door lock assembly RH
LandCruiser RM000001Y7Y04WX.html
Rear door lock assembly LH*1
LandCruiser RM000001Y7Z044X.html
Rear door lock assembly RH*1
LandCruiser RM000001Y7Z044X.html
Harness or connector
-
Double lock door control relay assembly
-
Main body ECU (Multiplex network body ECU)
-
Speed-sensitive Automatic Door Lock cannot be Operate*3
LIN communication system
LandCruiser RM000001RSO0BWX.html
Meter / gauge system
LandCruiser RM000002Z4L055X.html
Main body ECU (Multiplex network body ECU)
-
Driver side junction block assembly
-
  1. *1: for 5 Door
  2. *2: w/ Double Locking System
  3. *3: w/ Speed-sensitive Automatic Door Lock Function