Cruise Control System

51 - Idle Signal Circuit

CIRCUIT DESCRIPTION

DTC Detection Condition:

When the idle switch is turned on, a signal is sent to the ECU. The ECU uses this signal to correct a discrepancy between the throttle valve position and the actuator position sensor values, and it enables accurate cruise control at the set speed. If the idle switch malfunctions, problem symptoms occur also in the engine, so inspect the engine then.

Wiring Diagram:

Steps 1 - 3:

Steps 4 - 5:

INSPECTION PROCEDURE