VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)

DTC C0052 MOTOR AND MOTOR RELAY ON FAILURE

DTC DETECTING CONDITION:

Defective motor relay

Defective harness connector

TROUBLE SYMPTOM:

ABS does not operate.

VDC does not operate.

EBD may not operate.

WIRING DIAGRAM:

STEPCHECKYESNO

1.CHECK VDCCM&H/U MOTOR RELAY.

1) Disconnect the connector from the VDCCM&H/U.

2) Measure the resistance between VDCCM&H/U connector terminals.

Terminals

No. 23 — No. 22:

Is the resistance 1 MΩ or more?

Replace the VDCCM&H/U.

2.CHECK VDCCM&H/U.

1) Connect all connectors.

2) Clear the memory.

3) Perform the Inspection Mode.

4) Read the DTC.

Is the same DTC displayed?

Replace the VDCCM&H/U.

3.CHECK OTHER DTC DETECTION.

Is any other DTC displayed?

Perform the diagnosis according to DTC.

Temporary poor contact occurs.

NOTE:

Though the ABS warning light remains on at this time, this is normal. Drive the vehicle at 12 km/h (7 MPH) or more in order to turn ABS warning light off. Be sure to drive the vehicle and check that the warning light goes off.