Nissan Murano: Dtc/circuit Diagnosis / C1115 Wheel Sensor

DTC Description

DTC DETECTION LOGIC

POSSIBLE CAUSE

NOTE:

Confirm if DTC is PAST or CRNT. If DTC is CRNT, proceed with Diagnosis Procedure. If DTC is PAST, clear DTC. Do not replace the ABS actuator and electric unit (control unit) for a PAST DTC.

FAIL-SAFE

The following functions are suspended:

• VDC function

• TCS function

• ABS function

• EBD function

• Brake assist function

• Hill start assist function

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always ignition switch OFF and wait at least 10 seconds before conducting the next test.

GO TO 2.

CHECK DTC DETECTION

CONSULT

1. Start the engine.

2. Drive the Nissan Murano vehicle at approx. 31 MPH (50 km/h) or more for approx. 2 minutes.

3. Stop the vehicle.

4. Ignition switch OFF.

   NOTE:

   Wait at least 10 seconds after ignition switch OFF.

5. Start the engine.

   NOTE:

   Wait at least 10 seconds after start the engine.

6. Select “Self Diagnostic Result” mode of “ABS”.

Is DTC “C1115” detected?

“CRNT” is displayed: Proceed to DTC Diagnosis Procedure.

“PAST” is displayed: Inspection End. (Erase the memory of “Self Diagnostic Result” mode of “ABS”.)

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

Confirmation after repair: Inspection End.

CAUTION:

Never check between wheel sensor harness connector terminals.

CHECK TIRE

Check the tire air pressure, wear and size. Refer to Tire Air Pressure.

Is the inspection result normal?

GO TO 4.

Adjust air pressure or replace tire and GO TO 2.

CHECK DATA MONITOR (1)

CONSULT

1. Erase the memory of “Self Diagnostic Result” mode of “ABS”.

2. Ignition switch OFF → ON → OFF.

   NOTE:

   Wait at least 10 seconds after ignition switch OFF or ON.

3. Start the engine.

4. Select “FR LH SENSOR”, “FR RH SENSOR”, “RR LH SENSOR” and “RR RH SENSOR” in “Data Monitor” mode of “ABS”.

   NOTE:

   Set the “Data Monitor” recording speed to “10 msec”.

5. Read a value (wheel speed) of both normal wheel sensors and error-detecting wheel sensor.

   NOTE:

   Nissan Murano Vehicle must be driven after repair or replacement to erase the previous DTCs.

Note the difference at 31 MPH (50 km/h) between the wheel speed detected by the error detecting wheel sensor and the maximum/minimum wheel speed detected by the normal wheel sensors. Is the difference within 5%, respectively?

GO TO 3.

GO TO 4.

PERFORM SELF DIAGNOSTIC RESULT (1)

CONSULT

1. Stop the Nissan Murano vehicle.

2. Ignition switch OFF.

   NOTE:

   Wait at least 10 seconds after ignition switch OFF.

3. Start the engine.

   NOTE:

   Wait at least 10 seconds after start the engine.

4. Select “Self Diagnostic Result” mode of “ABS”.

Is DTC “C1115” detected?

GO TO 4.

Inspection End.

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY AND GROUND CIRCUIT

Check the ABS actuator and electric unit (control unit) power supply and ground circuit. Refer to Diagnosis Procedure.

Is the inspection result normal?

GO TO 5.

Repair / replace harness, connector, fuse, or fusible link.

CHECK WHEEL SENSOR AND SENSOR ROTOR

1. Ignition switch OFF.

2. Disconnect wheel sensor harness connector.

3. Remove dust and foreign matter adhered to the wheel sensor and sensor rotor with a vacuum dust collector through the wheel sensor mounting hole.

   CAUTION:

   Install wheel sensor with no backlash and float, and tighten the mounting bolt to the specified torque.

   • Front: Refer to Exploded View.

   • Rear: Refer to Exploded View.

GO TO 6.

CHECK WHEEL SENSOR

Check the wheel sensor for damage.

Is the inspection result normal?

GO TO 7.

GO TO 8.

CHECK WHEEL SENSOR OUTPUT SIGNAL

1. Disconnect ABS actuator and electric unit (control unit) harness connector.

2. Connect ABS active wheel sensor tester (SST: J-45741) to wheel sensor using appropriate adapter.

3. Turn the ABS active wheel sensor tester power switch ON.

   NOTE:

   The green POWER indicator should illuminate. If the POWER indicator does not illuminate, replace the battery in the ABS active wheel sensor tester before proceeding.

4. Spin the wheel of the Nissan Murano vehicle by hand and observe the red SENSOR indicator on the ABS active wheel sensor tester. The red SENSOR indicator should flash ON and OFF to indicate an output signal.

   NOTE:

   If the red SENSOR indicator illuminates but does not flash, reverse the polarity of the tester leads and retest.

Does the ABS active wheel sensor tester detect a signal?

GO TO 11.

GO TO 8.

REPLACE WHEEL SENSOR (1)

CONSULT

1. Replace the wheel sensor.

   • Front: Refer to Removal and Installation.

   • Rear: Refer to Removal and Installation.

2. Connect ABS actuator and electric unit (control unit) harness connector.

3. Erase the memory of “Self Diagnostic Result” mode of “ABS”

4. Ignition switch OFF → ON → OFF.

   NOTE:

   Wait at least 10 seconds after ignition switch OFF or ON.

5. Start the engine.

6. Select “FR LH SENSOR”, “FR RH SENSOR”, “RR LH SENSOR” and “RR RH SENSOR” in “Data Monitor” mode of “ABS”.

   NOTE:

   Set the “Data Monitor” recording speed to “10 msec”.

7. Read the values (wheel speed) of both the normal wheel sensors and malfunctioning wheel sensor.

   NOTE:

   Nissan Murano Vehicle must be driven after repair or replacement to erase the previous DTCs.

Note the difference at 31 MPH (50 km/h) between the wheel speed detected by the malfunctioning wheel sensor and the maximum/minimum wheel speed detected by the normal wheel sensors, is the difference within 5%, respectively?

GO TO 9.

GO TO 19.

PERFORM SELF DIAGNOSTIC RESULT (2)

CONSULT

1. Stop the Nissan Murano vehicle.

2. Ignition switch OFF.

   NOTE:

   Wait at least 10 seconds after ignition switch OFF.

3. Start the engine.

   NOTE:

   Wait at least 10 seconds after starting the engine.

4. Select “Self Diagnostic Result” mode of “ABS”.

Is DTC “C1115” detected?

GO TO 10.

Inspection End.

CHECK CONNECTOR

1. Ignition switch OFF.

2. Check the ABS actuator and electric unit (control unit) harness connector for disconnection or looseness.

3. Check the wheel sensor harness connector for disconnection or looseness.

Is the inspection result normal?

GO TO 12.

Repair / replace harness or connector, securely lock the connector, and GO TO 11.

CHECK DATA MONITOR (2)

CONSULT

1. Erase the memory of “Self Diagnostic Result” mode of “ABS”

2. Ignition switch OFF → ON → OFF.

   NOTE:

   Wait at least 10 seconds after ignition switch OFF or ON.

3. Start the engine.

4. Select “FR LH SENSOR”, “FR RH SENSOR”, “RR LH SENSOR” and “RR RH SENSOR” in “Data Monitor” mode of “ABS”.

   NOTE:

   Set the “Data Monitor” recording speed to “10 msec”.

5. Read the values (wheel speed) of both the normal wheel sensors and malfunctioning wheel sensor.

   NOTE:

   Nissan Murano Vehicle must be driven after repair or replacement to erase the previous DTCs.

Note the difference at 31 MPH (50 km/h) between the wheel speed detected by the malfunctioning wheel sensor and the maximum/minimum wheel speed detected by the normal wheel sensors, is the difference within 5%, respectively?

GO TO 12.

GO TO 13.

PERFORM SELF DIAGNOSTIC RESULT (3)

CONSULT

1. Stop the Nissan Murano vehicle.

2. Ignition switch OFF.

   NOTE:

   Wait at least 10 seconds after ignition switch OFF.

3. Start the engine.

   NOTE:

   Wait at least 10 seconds after starting the engine.

4. Select “Self Diagnostic Result” mode of “ABS”.

Is DTC “C1115” detected?

GO TO 13.

Inspection End.

CHECK TERMINAL

1. Ignition switch OFF.

2. Disconnect ABS actuator and electric unit (control unit) harness connector and then check the ABS actuator and electric unit (control unit) pin terminals for damage or loose connection with harness connector.

3. Disconnect wheel sensor harness connector and check each wheel sensor pin terminals for damage or loose connection with harness connector.

Is the inspection result normal?

GO TO 16.

Repair / replace harness, connector, or terminal, and GO TO 14.

CHECK DATA MONITOR (3)

CONSULT

1. Connect ABS actuator and electric unit (control unit) harness connector.

2. Connect wheel sensor harness connector.

3. Erase the memory of “Self Diagnostic Result” mode of “ABS”

4. Ignition switch OFF → ON → OFF.

   NOTE:

   Wait at least 10 seconds after ignition switch OFF or ON.

5. Start the engine.

6. Select “FR LH SENSOR”, “FR RH SENSOR”, “RR LH SENSOR” and “RR RH SENSOR” in “Data Monitor” mode of “ABS”.

   NOTE:

   Set the “Data Monitor” recording speed to “10 msec”.

7. Read the values (wheel speed) of both the normal wheel sensors and malfunctioning wheel sensor.

   NOTE:

   Nissan Murano Vehicle must be driven after repair or replacement to erase the previous DTCs.

Note the difference at 31 MPH (50 km/h) between the wheel speed detected by the malfunctioning wheel sensor and the maximum/minimum wheel speed detected by the normal wheel sensors, is the difference within 5%, respectively?

GO TO 15.

GO TO 16.

PERFORM SELF DIAGNOSTIC RESULT (4)

CONSULT

1. Stop the Nissan Murano vehicle.

2. Ignition switch OFF.

   NOTE:

   Wait at least 10 seconds after ignition switch OFF.

3. Start the engine.

   NOTE:

   Wait at least 10 seconds after starting the engine.

4. Select “Self Diagnostic Result” mode of “ABS”.

Is DTC “C1115” detected?

GO TO 16.

Inspection End.

CHECK WHEEL SENSOR HARNESS

1. Ignition switch OFF.

2. Disconnect ABS actuator and electric unit (control unit) harness connector.

3. Disconnect wheel sensor harness connector.

4. Check the continuity between ABS actuator and electric unit (control unit) harness connector and wheel sensor harness connector. (Check the continuity while turning steering wheel left and right, or while moving center harness in wheel housing.)

   Power Supply Circuit

   ABS actuator and electric unit (control unit)		Wheel sensor			Continuity
   Connector	Terminal	Connector		Terminal
   E125	19	E18	(Front LH wheel)	1	Yes
   	16	E43	(Front RH wheel)
   	31	C10	(Rear LH wheel)
   	17	C11	(Rear RH wheel)

   Signal Circuit

   ABS actuator and electric unit (control unit)		Wheel sensor			Continuity
   Connector	Terminal	Connector		Terminal
   E125	8	E18	(Front LH wheel)	2	Yes
   	4	E43	(Front RH wheel)
   	18	C10	(Rear LH wheel)
   	29	C11	(Rear RH wheel)

5. Check the continuity between ABS actuator and electric unit (control unit) harness connector and the ground.

   Power Supply Circuit

   ABS actuator and electric unit (control unit)		—	Continuity
   Connector	Terminal
   E125	16	Ground	No
   	19
   	31
   	17

Is the inspection result normal?

GO TO 17.

Repair / replace harness or connector, and GO TO 17.

CHECK DATA MONITOR (4)

CONSULT

1. Connect ABS actuator and electric unit (control unit) harness connector.

2. Connect wheel sensor harness connector.

3. Erase the memory of “Self Diagnostic Result” mode of “ABS”

4. Ignition switch OFF → ON → OFF.

   NOTE:

   Wait at least 10 seconds after ignition switch OFF or ON.

5. Start the engine.

6. Select “FR LH SENSOR”, “FR RH SENSOR”, “RR LH SENSOR” and “RR RH SENSOR” in “Data Monitor” mode of “ABS”.

   NOTE:

   Set the “Data Monitor” recording speed to “10 msec”.

7. Read the values (wheel speed) of both the normal wheel sensors and malfunctioning wheel sensor.

   NOTE:

   Nissan Murano Vehicle must be driven after repair or replacement to erase the previous DTCs.

Note the difference at 31 MPH (50 km/h) between the wheel speed detected by the malfunctioning wheel sensor and the maximum/minimum wheel speed detected by the normal wheel sensors, is the difference within 5%, respectively?

GO TO 18.

Replace the ABS actuator and electric unit (control unit). Refer to Removal and Installation.

PERFORM SELF DIAGNOSTIC RESULT (5)

CONSULT

1. Stop the Nissan Murano vehicle.

2. Ignition switch OFF.

   NOTE:

   Wait at least 10 seconds after ignition switch OFF.

3. Start the engine.

   NOTE:

   Wait at least 10 seconds after starting the engine.

4. Select “Self Diagnostic Result” mode of “ABS”.

Is DTC “C1115” detected?

Replace the ABS actuator and electric unit (control unit). Refer to Removal and Installation.

Inspection End.

REPLACE SENSOR ROTOR

CONSULT

1. Replace the sensor rotor.

   • Front: Refer to Removal and Installation - Front Sensor Rotor.

   • Rear: Refer to Removal and Installation - Rear Sensor Rotor.

2. Erase the memory of “Self Diagnostic Result” mode of “ABS”

3. Ignition switch OFF → ON → OFF.

   NOTE:

   Wait at least 10 seconds after ignition switch OFF or ON.

4. Start the engine.

5. Drive the Nissan Murano vehicle at approx. 31 MPH (50 km/h) or more for approx. 2 minutes.

   NOTE:

   Nissan Murano Vehicle must be driven after repair or replacement to erase the previous DTCs.

6. Stop the Nissan Murano vehicle.

7. Ignition switch OFF.

   NOTE:

   Wait at least 10 seconds after ignition switch OFF.

8. Start the engine.

   NOTE:

   Wait at least 10 seconds after starting the engine.

9. Select “Self Diagnostic Result” mode of “ABS”.

Is DTC “C1115” detected?

Replace the ABS actuator and electric unit (control unit). Refer to Removal and Installation.

Inspection End.