DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If "DTC CONFIRMATION PROCEDURE" has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.
>> GO TO 2.
2.DTC REPRODUCTION PROCEDURE
With CONSULT
Is DTC "C1604" detected?
YES >> Proceed to diagnosis procedure. Refer to STC "Diagnosis Procedure".
NO >> Inspection End.
Regarding Wiring Diagram information, refer to STC "Wiring Diagram".
1.CHECK TORQUE SENSOR POWER SUPPLY CIRCUIT
CAUTION: Never start the engine.
CAUTION:
Steering wheel in neutral position. (There is no steering force.)
Is the inspection result normal?
YES >> GO TO 2.
NO >> Perform the trouble diagnosis for battery power supply circuit. Refer to STC "Diagnosis Procedure".
2.CHECK TORQUE SENSOR GROUND CIRCUIT
CAUTION:
Steering wheel in neutral position. (There is no steering force.)
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
3.CHECK TORQUE SENSOR SIGNAL
CAUTION:
Steering wheel in neutral position. (There is no steering force.)
Is the inspection result normal?
YES >> GO TO 4.
NO >> Torque sensor is malfunctioning. Replace steering column assembly. Refer to ST "Removal and Installation".
4.CHECK CONNECTOR
Is the inspection result normal?
YES >> Replace EPS control unit. Refer to STC "Removal and Installation".
NO >> Repair or replace malfunctioning component.
Vehicle identification
Vehicle identification number (VIN) plate
The vehicle identification number (VIN) plate is
attached as shown. This number is the identification
for your vehicle and is used in the vehicle
registration.
Vehicle identification number (chassis number)
The vehicle identification number i ...
Engine control system symptoms
Symptom Table
SYSTEM - BASIC ENGINE CONTROL SYSTEM
1 - 6: The numbers refer to the order of inspection.
(continued on next table)
SYSTEM - ENGINE MECHANICAL & OTHER
1 - 6: The numbers refer to the order of inspection. ...