Component Inspection
1.CHECK MIRROR SWITCH & CHANGEOVER SWITCH
1. Turn ignition switch OFF.
2. Disconnect door mirror remote control switch connector.
3. Check door mirror remote control switch.

Is the inspection result normal?
YES >> Inspection end.
NO >> Replace door mirror remote control switch. Refer to MIR "Removal and Installation".
SYMPTOM DIAGNOSIS
Intake valve timing control
Intake valve timing control : System Diagram
Intake valve timing control : system description
INPUT/OUTPUT SIGNAL CHART
Sensor
Input signal to ECM
ECM function
Actuator
Crankshaft position sensor (POS)
Engine speed*1
Piston position
Intake valve timing
con ...
P0507 ISC system
Description
The ECM controls the engine idle speed to a specified level through 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 ...