DESCRIPTION
The main body ECU (instrument panel junction block) receives lock/unlock switch signals and activates the door lock motor according to these signals.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
INSPECT FRONT DOOR LOCK ASSEMBLY
Remove the front passenger side door lock assembly Click here.
Measure the resistance according to the value(s) in the table below.
| Standard resistance | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPLACE FRONT DOOR LOCK ASSEMBLY Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK MOTOR CIRCUIT)
Disconnect the instrument panel junction block connector.
for LHD:
Measure the resistance according to the value(s) in the table below.
| Standard resistance | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
for RHD:
Measure the resistance according to the value(s) in the table below.
| Standard resistance | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK HARNESS AND CONNECTOR (DOOR UNLOCK DETECTION SWITCH CIRCUIT)
Disconnect the main body ECU (instrument panel junction block) connector.
for LHD:
Measure the resistance according to the value(s) in the table below.
| Standard resistance | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
for RHD:
Measure the resistance according to the value(s) in the table below.
| Standard resistance | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
REPLACE MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK)