C1774
DTC C1774 POWER SOURCE CIRCUITCIRCUIT DESCRIPTION
DTC Detecting Condition:
When the ignition switch is turned to ON, the D-IG1 relay is activated and battery voltage is applied to terminal B of the 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 - 2:
Step 3 - 4:
Step 5 - 6:
INSPECTION PROCEDURE