DTC DETECTION LOGIC
Malfunction related to wheel sensor has been detected by ABS actuator and electric unit (control unit).
| DTC No. |
CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition | |
|---|---|---|---|
| C1203 |
ABS SYSTEM (ABS system) |
Diagnosis condition | Engine running and Nissan Murano vehicle running |
| Signal | Nissan Murano Vehicle speed signal | ||
| Threshold | — | ||
| Diagnosis delay time | — | ||
POSSIBLE CAUSE
ABS malfunction
Vehicle speed signal error
FAIL-SAFE
Front-wheel drive or shifts to 4-wheel drive (rear-wheels still have some driving torque).
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always place the ignition switch in the OFF position and wait at least 10 seconds before conducting the next test.
>>
GO TO 2.
DTC REPRODUCTION PROCEDURE
CONSULT
Start the engine and drive at 19 MPH (30 km/h) or more for approximately 1 minute.
Select “Self Diagnostic Result” mode of “ALL MODE AWD/4WD”.
Is DTC “C1203” detected?
YES>>Proceed to DTC Diagnosis Procedure.
NO>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO>>Confirmation after repair: Inspection End.
SELECT ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF DIAGNOSTIC RESULT
CONSULT
Select “Self Diagnostic Result” mode of “ABS”.
Is any DTC detected?
YES>>Check the DTC. Refer to DTC Index.
NO>>GO TO 2.
CHECK TERMINALS AND HARNESS CONNECTORS
Check AWD control unit pin terminals for damage or loose connection with harness connector.
Is inspection result normal?
YES>>After ignition switch OFF, perform DTC confirmation procedure again. If DTC “C1203” is detected, replace AWD control unit. Refer to Removal and Installation.
NO>>Repair or replace error-detected parts.
C1201 Controller Failure
C1204 4wd Solenoid
Your vehicle has two types of security systems:
Vehicle security system NISSAN Vehicle Immobilizer SystemThe vehicle security system provides visual and audible alarm signals if someone opens the doors, liftgate or the hood when the system is armed. It is not, however, a motion detection type system that activates when a vehicle is moved or when a vibration occurs.