DTC 74

CIRCUIT DESCRIPTION
When the ignition switch is turned to ON, the ignition relay is activated and battery positive voltage is applied to terminal +B of the ECU. When the ignition switch is turned to OFF, the ignition relay is de-energized and the power source is cut off.
This power source energizes the suspension control actuator, height control valve, relay, indicator, each IC and sensor.




DETECTING CONDITIONS




WIRING DIAGRAM

Step 1:

Step 2:

Step 3:

Step 4:

Step 5:

INSPECTION PROCEDURE