Diagnosis Procedure

VEHICLE SPEED SIGNAL CIRCUIT


Description

Transmits vehicle speed signal to rear seatback power return control unit.





VEHICLE SPEED SIGNAL CIRCUIT


Diagnosis Procedure

1.CHECK VEHICLE SPEED OPERATION
1. Check speed meter operate normally.
Is the inspection result normal?
YES - GO TO 2.
NO - Work Flow.
2.CHECK VEHICLE SPEED INPUT SIGNAL
Check voltage between rear seatback power return control unit harness connector and ground.






Is the inspection result normal?
YES - GO TO 3.
NO - Work Flow.
3.CHECK VEHICLE SPEED SIGNAL CIRCUIT
1. Disconnect rear seatback power return control unit connector and combination meter connector.
2. Check continuity between power return control unit harness connector and combination meter harness connector.





3. Check continuity between rear seatback power return control unit harness connector and ground.





Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace harness.
4.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
- INSPECTION END