Nissan Murano: Dtc/circuit Diagnosis / C1a03 Vehicle Speed Sensor

DTC Description

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Wheel speed sensor

• ABS actuator and electric unit (control unit)

• Nissan Murano Vehicle speed sensor CVT (output speed sensor)

• TCM

• Distance sensor (ICC sensor)

• Tire

FAIL-SAFE

The following systems are canceled:

• Intelligent Cruise Control (ICC)

• Automatic Emergency Braking (AEB)

• Intelligent Forward Collision Warning (I-FCW)

• Blind Spot Warning (BSW)

CHECK DTC PRIORITY

If DTC “C1A03–64” is displayed with DTC “U1000–01” or “C1A04–97”, first diagnose the DTC “U1000–01” or “C1A04–97”.

Is applicable DTC detected?

Perform diagnosis of applicable DTC.

• U1000–01: Refer to DTC Description.

• C1A04–97: Refer to DTC Description.

Check the tire size.

GO TO 2.

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

1. Start the engine.

2. Turn the MAIN switch of ICC system ON.

3. Drive the Nissan Murano vehicle at 30 km/h (19 MPH) or more.

   CAUTION:

   Always drive safely.

4. Stop the Nissan Murano vehicle.

5. Perform “All DTC Reading” with CONSULT.

6. Check if the “C1A03–64” is detected as the current malfunction in “Self Diagnostic Result” mode of “LASER/RADAR”.

Is “C1A03–64” detected as the current malfunction?

Refer to Diagnosis Procedure.

To check malfunction symptom before repair: Refer to Intermittent Incident.

Confirmation after repair: Inspection End.

CHECK DTC PRIORITY

If DTC “C1A03–64” is displayed with DTC “U1000–01” or “C1A04–97”, first diagnose the DTC “U1000–01” or “C1A04–97.

Is applicable DTC detected?

Perform diagnosis of applicable DTC.

• U1000–01: Refer to DTC Description.

• C1A04–97: Refer to DTC Description.

GO TO 2.

CHECK DATA MONITOR

CONSULT

1. Start the engine.

2. Drive the Nissan Murano vehicle.

3. Check that the value of “VHCL SPD AT” is almost the same as the value of “VHCL SPEED SE” in “Data Monitor” of “LASER/RADAR”.

CAUTION:

Be careful of the Nissan Murano vehicle speed.

Is the inspection result normal?

Replace the distance sensor (ICC sensor). Refer to Removal and Installation.

GO TO 3.

CHECK TCM SELF-DIAGNOSIS RESULTS

CONSULT

1. Perform “All DTC Reading”.

2. Check if any DTC is detected in “Self Diagnostic Result” mode of “TRANSMISSION”.

Is any DTC detected?

Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to DTC Index.

GO TO 4.

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS RESULTS

CONSULT

Check if any DTC is detected in “Self Diagnostic Result” mode of “ABS”.

Is any DTC detected?

Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to DTC Index.

Replace the distance sensor (ICC sensor). Refer to Removal and Installation.