C1521

DTC C1521 Power Steering Motor Malfunction

CIRCUIT DESCRIPTION

DTC Detection Condition:

Motor temp. sensor is built in the vane pump assembly with motor and detects the motor brush holder temperature. If the motor brush holder temperature has become higher than 200 °C (390 °F) continuously for longer than 0.1 second, the system stops for a time and returns if the temperature has become lower than 150 °C (302 °F) for longer than 1 second.

Fail safe Function:

C1521/21:
If vane pump assembly with motor detects the malfunction of the overheating of the motor, vane pump assembly with motor stops the motor from operating.

Wiring Diagram:

Step 1 - 2:

Step 3 - 5:

Step 6:

INSPECTION PROCEDURE