C1774

DTC C1774 POWER SOURCE CIRCUIT

CIRCUIT DESCRIPTION

DTC Detecting Condition:

When the ignition switch is turned to the ON position, the D-IG1 relay is activated and battery voltage is applied to terminal B of the suspension control ECU. When the ignition switch is turned off, the D-IG1 relay is de-energized and the power source is cut off.
This power source energizes the suspension control actuator, height control solenoid valve, D-IG1 relay, each IC and sensor.

Wiring Diagram:

Step 1-3:

Step 4-5:

Step 6:

INSPECTION PROCEDURE