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C1104




C1101, C1102, C1103, C1104 WHEEL SENSOR

DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PRECONDITIONING

If "DTC CONFIRMATION PROCEDURE" has been previously conducted, always turn power switch OFF and wait at least 10 seconds before conducting the next test.
- GO TO 2.

2. CHECK DTC DETECTION

With CONSULT
1.Set the vehicle to READY.
2.Drive the vehicle at approx. 30 km/h (19 MPH) or more for approx. 1 minute.
3.Stop the vehicle.
4.Turn the power switch OFF ON.

CAUTION:
- Be sure to wait of 10 seconds after turning power switch OFF or ON.
- Set the vehicle to READY.
5.Repeat step 4 two or more times.
6.Perform self-diagnosis for "ABS".
Is DTC "C1101", "C1102", "C1103" or "C1104" detected?
YES- Proceed to "Diagnosis Procedure" .
NO- INSPECTION END


Diagnosis Procedure


CAUTION:
Never check the between wheel sensor harness connector terminals.

1. CHECK WHEEL SENSOR

1.Turn the power switch OFF.
2.Check the wheel sensor for damage.
Is the inspection result normal?
YES- GO TO 3.
NO- GO TO 2.

2. REPLACE WHEEL SENSOR (1)

With CONSULT
1.Replace wheel sensor.
-Front: Refer to "FRONT WHEEL SENSOR : Removal and Installation" Removal And Installation.
-Rear: Refer to "REAR WHEEL SENSOR : Removal and Installation" Removal And Installation.
2.Erase self-diagnosis result for "ABS".
3.Turn the power switch OFF ON OFF.

CAUTION:
Be sure to wait of 10 seconds after turning power switch OFF or ON.
4.Set the vehicle to READY.
5.Drive the vehicle at approx. 30 km/h (19 MPH) or more for approx. 1 minute.
6.Stop the vehicle.
7.Turn the power switch OFF ON.

CAUTION:
- Be sure to wait of 10 seconds after turning power switch OFF or ON.
- Set the vehicle to READY.
8.Repeat step 7 two or more times.
9.Perform self-diagnosis for "ABS".
Is DTC "C1101", "C1102", "C1103" or "C1104" detected?
YES- GO TO 3.
NO- INSPECTION END

3. CHECK CONNECTOR

1.Turn the power 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?
YES- GO TO 5.
NO- Repair or replace error-detected parts, securely lock the connector, and GO TO 4.

4. PERFORM SELF-DIAGNOSIS (1)

With CONSULT
1.Erase self-diagnosis result for "ABS".
2.Turn the power switch OFF ON OFF.

CAUTION:
Be sure to wait of 10 seconds after turning power switch OFF or ON.
3.Set the vehicle to READY.
4.Drive the vehicle at approx. 30 km/h (19 MPH) or more for approx. 1 minute.
5.Stop the vehicle.
6.Turn the power switch OFF ON.

CAUTION:
- Be sure to wait of 10 seconds after turning power switch OFF or ON.
- Set the vehicle to READY.
7.Repeat step 6 two or more times.
8.Perform self-diagnosis for "ABS".
Is DTC "C1101", "C1102", "C1103" or "C1104" detected?
YES- GO TO 5.
NO- INSPECTION END

5. CHECK TERMINAL

1.Turn the power 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 the each wheel sensor pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?
YES- GO TO 7.
NO- Repair or replace error-detected parts and GO TO 6.

6. PERFORM SELF-DIAGNOSIS (2)

With CONSULT
1.Connect ABS actuator and electric unit (control unit) harness connector.
2.Connect wheel sensor harness connector.
3.Erase self-diagnosis result for "ABS".
4.Turn the power switch OFF ON OFF.

CAUTION:
Be sure to wait of 10 seconds after turning power switch OFF or ON.
5.Set the vehicle to READY.
6.Drive the vehicle at approx. 30 km/h (19 MPH) or more for approx. 1 minute.
7.Stop the vehicle.
8.Turn the power switch OFF ON.

CAUTION:
- Be sure to wait of 10 seconds after turning power switch OFF or ON.
- Set the vehicle to READY.
9.Repeat step 8 two or more times.
10.Perform self-diagnosis for "ABS".
Is DTC "C1101", "C1102", "C1103" or "C1104" detected?
YES- GO TO 7.
NO- INSPECTION END

7. CHECK WHEEL SENSOR HARNESS

1.Turn the power 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 when steering wheel is steered to RH and LH, or center harness in wheel housing is moved.)
Measurement connector and terminal for power supply circuit





Measurement connector and terminal for signal circuit





Is the inspection result normal?
YES- GO TO 9.
NO- Repair or replace error-detected parts and GO TO 8.

8. PERFORM SELF-DIAGNOSIS (3)

With CONSULT
1.Connect ABS actuator and electric unit (control unit) harness connector.
2.Connect wheel sensor harness connector.
3.Erase self-diagnosis result for "ABS".
4.Turn the power switch OFF ON OFF.

CAUTION:
Be sure to wait of 10 seconds after turning power switch OFF or ON.
5.Set the vehicle to READY.
6.Drive the vehicle at approx. 30 km/h (19 MPH) or more for approx. 1 minute.
7.Stop the vehicle.
8.Turn the power switch OFF ON.

CAUTION:
- Be sure to wait of 10 seconds after turning power switch OFF or ON.
- Set the vehicle to READY.
9.Repeat step 8 two or more times.
10.Perform self-diagnosis for "ABS".
Is DTC "C1101", "C1102", "C1103" or "C1104" detected?
YES- GO TO 9.
NO- INSPECTION END

9. REPLACE WHEEL SENSOR

With CONSULT
1.Replace wheel sensor.
-Front: Refer to "FRONT WHEEL SENSOR : Removal and Installation" Removal And Installation.
-Rear: Refer to "REAR WHEEL SENSOR : Removal and Installation" Removal And Installation.
2.Erase self-diagnosis result for "ABS".
3.Turn the power switch OFF ON OFF.

CAUTION:
Be sure to wait of 10 seconds after turning power switch OFF or ON.
4.Set the vehicle to READY.
5.Drive the vehicle at approx. 30 km/h (19 MPH) or more for approx. 1 minute.
6.Stop the vehicle.
7.Turn the power switch OFF ON.

CAUTION:
- Be sure to wait of 10 seconds after turning power switch OFF or ON.
- Set the vehicle to READY.
8.Repeat step 7 two or more times.
9.Perform self-diagnosis for "ABS".
Is DTC "C1101", "C1102", "C1103" or "C1104" detected?
YES- Replace ABS actuator and electric unit (control unit). Refer to "Removal and Installation" Removal And Installation.
NO- INSPECTION END