9F
Power Door Lock System Circuit Inspection
1) Disconnect negative cable at battery.
2) Disconnect door lock controller coupler (1).
3) Confirm that all doors are unlocked. Connect battery positive (+) and negative (–) terminals to door lock controller coupler terminals and check power door lock operation as follows.
If it does not operate as specified, repair applicable circuit or check actuator. If it operates as specified, go to next step.
Power door lock operation for vehicle
[A]: For M13 engine model and K9K engine model without keyless entry system
[B]: For K9K engine model with keyless entry system
1. Power door lock controller coupler viewed from harness side
4) Connect negative (–) cable at battery.
5) Check that the voltage and continuity between the following terminals and body ground are specifications under each conditions.
If check result is not as specified, repair circuit.
If check result is OK, recheck power door lock system as follows.
a) Substitute a known-good door lock controller.
b) Recheck power door lock system circuit.
[A]: For M13 engine model and K9K engine model without keyless entry system
[B]: For K9K engine model with keyless entry system
1. Power door lock controller coupler viewed from harness side
Power Door Lock System Circuit Check
For M13 engine model and K9K engine model without keyless entry system
Terminal Circuit Specification Condition
7 Main power supply 10 – 14 V —
8 Driver side door knob switch lock signal circuit Continuity Driver side door knob switch is lock position.
No continuity Driver side door knob switch is unlock position.
9 Driver side door knob switch unlock signal circuit Continuity Driver side door knob switch is unlock position.
No continuity Driver side door knob switch is lock position.
12 Ground 0 – 1 V —
For K9K engine model with keyless entry system
Terminal Circuit Specification Condition
5 Driver side door knob switch lock signal circuit Continuity Driver side door knob switch is lock position.
No continuity Driver side door knob switch is unlock position.
9 Main power supply 10 – 14 V —
11 ACC switch circuit 10 – 14 V Ignition switch is ACC position.
0 – 1 V Ignition switch is OFF position.
12 Ignition switch circuit 10 – 14 V Ignition switch is ON position.
0 – 1 V Ignition switch is OFF position.
16 Driver side door knob switch unlock signal circuit Continuity Driver side door knob switch is unlock position.
No continuity Driver side door knob switch is lock position.
17 Ground 0 – 1 V —