DTC Logic
DTC DETECTION LOGIC
DTC |
Display item |
Malfunction detected condition |
Possible cause |
C1604 | TORQUE SENSOR | When torque sensor output signal is malfunctioning. |
|
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-23, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
1.CHECK TERMINALS AND HARNESS CONNECTORS
Check EPS control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace malfunctioning parts.
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace malfunctioning parts.
2.PERFORM SELF-DIAGNOSIS
With CONSULT
Is DTC “C1604” detected? YES >> Torque sensor is malfunctioning. Replace steering column assembly. Refer to ST-12, "Removal and Installation".
NO >> Check intermittent incident. Refer to GI-41, "Intermittent Incident".
Preparation
Special Service Tools
The actual shape of the tools may differ from those illustrated here.
Tool number
(TechMate No.)
Tool name
Description
—
(J-44372)
Pull gauge
Measuring steering wheel turning force, rack
sliding force and ball joint swinging ...
Wiring diagram
ENGINE START FUNCTION
Wiring Diagram
NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS
Wiring Diagram
VEHICLE SECURITY SYSTEM
Wiring Diagram
...
Wiring diagram
CHASSIS CONTROL
Wiring Diagram
...