Operation CHARM: Car repair manuals for everyone.

C1723

DTC C1723 DAMPING FORCE CONTROL ACTUATOR CIRCUIT

CIRCUIT DESCRIPTION

DTC Detecting Condition:




ECU sends a signal to damping force control actuator to drive the rotary valve of the shock absorber changing the shock absorber damping force.

The actuator is driven electromagnetically by step motor so that it can accurately follow the driving conditions that change frequently.

HINT:
- Code C1721 / 21 corresponds to the front damping force control actuator circuit.
- Code C1723 / 23 corresponds to the rear damping force control actuator circuit.

Fail safe function:

If trouble occurs in the front or rear wheel damping force control actuator circuit, ECU prohibits the damping force control after the ECU has returned the damping force of the other side wheel to the normal condition.

Wiring Diagram:






Step 1 - 3:




INSPECTION PROCEDURE