C1604

TROUBLE DIAGNOSIS FOR SYSTEM


DTC C1604 TORQUE SENSOR


CONSULT-III REFERENCE VALUE IN DATA MONITOR MODE






TERMINALS AND REFERENCE VALUES FOR EPS CONTROL UNIT
Refer to EPS Control Unit Input/Output Signal Reference Value.

DIAGNOSTIC PROCEDURE
1.CHECK TORQUE SENSOR SIGNAL

With CONSULT-III
1. Start engine.
2. Select "DATA MONITOR" mode for "EPS" with CONSULT-III.
3. Check the value of "TORQUE SENSOR". Refer to EPS Control Unit Input/Output Signal Reference Value.

Without CONSULT-III
1. Start engine.
2. Check voltage between EPS control unit harness connector M87 terminals 11, 12, 13, 14 and ground. Refer to EPS Control Unit Input/Output Signal Reference Value.
OK or NG
OK >> INSPECTION END
NG >> GO TO 2.
2.CHECK EPS CONTROL UNIT
Check EPS control unit input/output signal. Refer to EPS Control Unit Input/Output Signal Reference Value.
OK or NG
OK >> GO TO 3.
NG >> Check EPS control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace damaged parts.
3.CHECK DTC
Perform the self-diagnosis, after driving the vehicle for a while.
OK or NG
OK >> INSPECTION END
NG >> Torque sensor is malfunctioning. Replace steering column assembly. Refer to Service and Repair.