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.
Readiness for inspection/maintenance (I/M) test
Due to legal requirements in some states and
Canadian Provinces, your vehicle may be required
to be in what is called the "ready condition"
for an Inspection/Maintenance (I/M) test of
the emission control system.
The vehicle is set to the "ready condition" when it
is driven through certain d ...
Precautions
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER",
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
driver and ...