Diagnosis Procedure
1. PERFORM INITIALIZATION PROCEDURE
Perform initialization procedur
Auto operation does not operate
Retained power operation does not operate properlyP0507 ISC system
Description
The ECM controls the engine idle speed to a specified level via the fine
adjustment of the air, which is let into
the intake manifold, by operating the electric throttle control actuator. The
operating of the throttle valve is varied
to allow for optimum control of the engine id ...
Symptom diagnosis
SYSTEM SYMPTOM
Symptom Table
The diagnostics item numbers show the sequence for
inspection. Inspect in order from item 1.
...
Power seat switch ground circuit
Diagnosis Procedure
1. CHECK POWER SEAT SWITCH LH GROUND CIRCUIT
Turn ignition switch OFF.
Disconnect power seat switch LH.
Check continuity between power seat switch LH connector and
ground.
...