C1105
C1105, C1106, C1107, C1108 WHEEL SENSOR
DTC Logic
DTC DETECTION LOGIC
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. CHECK DTC DETECTION
With CONSULT
1.Turn the ignition switch OFF to ON.
2.Drive the vehicle at approx. 30 km/h (19 MPH) or more for approx. 1 minute.
3.Stop the vehicle.
4.Perform self-diagnosis for "ABS".
Is DTC "C1105", "C1106", "C1107" or "C1108" detected?
YES- Proceed to diagnosis procedure. Refer to "Diagnosis Procedure" .
NO- INSPECTION END
Diagnosis Procedure
CAUTION:
Never check between wheel sensor harness connector terminals.
1. CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY SYSTEM
Check ABS actuator and electric unit (control unit) power supply system. Refer to "Diagnosis Procedure" Power Supply and Ground Circuit.
Is the inspection result normal?
YES- GO TO 2.
NO- Repair or replace error-detected parts.
2. CHECK TIRE
1.Turn the ignition switch OFF.
2.Check tire air pressure, wear and size. Refer to "Tire Air Pressure" [1][2]Specifications.
Is the inspection result normal?
YES- GO TO 5.
NO- Adjust air pressure or replace tire and GO TO 3.
3. CHECK DATA MONITOR (1)
With CONSULT
1.Erase self-diagnosis result for "ABS".
2.Turn the ignition switch OFF, and wait 10 seconds or more.
3.Start the engine.
4.Select "ABS" and "DATA MONITOR", check "FR LH SENSOR", "FR RH SENSOR", "RR LH SENSOR"
and "RR RH SENSOR".
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.
Regarding the deference at 30 km/h (19 MPH) 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?
YES- GO TO 4.
NO- GO TO 5.
4. PERFORM SELF-DIAGNOSIS (1)
With CONSULT
1.Drive the vehicle at approx. 30 km/h (19 MPH) or more for approx. 1 minute.
2.Stop the vehicle.
3.Perform self-diagnosis for "ABS".
Is DTC "C1105", "C1106", "C1107" or "C1108" detected?
YES- GO TO 5.
NO- INSPECTION END
5. CHECK WHEEL SENSOR
1.Turn the ignition switch OFF.
2.Check wheel sensor for damage.
Is the inspection result normal?
YES- GO TO 8.
NO- GO TO 6.
6. 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 ignition switch OFF, and wait 10 seconds or more.
4.Start the engine.
5.Select "ABS" and "DATA MONITOR", check "FR LH SENSOR", "FR RH SENSOR", "RR LH SENSOR"
and "RR RH SENSOR".
NOTE:
Set the "DATA MONITOR" recording speed to "10 msec".
6.Read a value (wheel speed) of both normal wheel sensors and error-detecting wheel sensor.
Regarding the deference at 30 km/h (19 MPH) 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?
YES- GO TO 7.
NO- Replace ABS actuator and electric unit (control unit). Refer to "Removal and Installation" Service and Repair.
7. PERFORM SELF-DIAGNOSIS (2)
With CONSULT
1.Drive the vehicle at approx. 30 km/h (19 MPH) or more for approx. 1 minute.
2.Stop the vehicle.
3.Perform self-diagnosis for "ABS".
Is DTC "C1105", "C1106", "C1107" or "C1108" detected?
YES- Replace ABS actuator and electric unit (control unit). Refer to "Removal and Installation" Service and Repair.
NO- INSPECTION END
8. CHECK CONNECTOR
1.Turn the ignition switch OFF.
2.Check ABS actuator and electric unit (control unit) harness connector for disconnection or looseness.
3.Check wheel sensor harness connector for disconnection or looseness.
Is the inspection result normal?
YES- GO TO 11.
NO- Repair or replace error-detected parts, securely lock the connector, and GO TO 9.
9. CHECK DATA MONITOR (2)
With CONSULT
1.Erase self-diagnosis result for "ABS".
2.Turn the ignition switch OFF, and wait 10 seconds or more.
3.Start the engine.
4.Select "ABS" and "DATA MONITOR", check "FR LH SENSOR", "FR RH SENSOR", "RR LH SENSOR"
and "RR RH SENSOR".
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.
Regarding the deference at 30 km/h (19 MPH) 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?
YES- GO TO 10.
NO- GO TO 11.
10. PERFORM SELF-DIAGNOSIS (3)
With CONSULT
1.Drive the vehicle at approx. 30 km/h (19 MPH) or more for approx. 1 minute.
2.Stop the vehicle.
3.Perform self-diagnosis for "ABS".
Is DTC "C1105", "C1106", "C1107" or "C1108" detected?
YES- GO TO 11.
NO- INSPECTION END
11. CHECK TERMINAL
1.Turn the ignition switch OFF.
2.Disconnect ABS actuator and electric unit (control unit) harness connector and then check 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?
YES- GO TO 14.
NO- Repair or replace error-detected parts and GO TO 12.
12. CHECK DATA MONITOR (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 ignition switch OFF, and wait 10 seconds or more.
5.Start the engine.
6.Select "ABS" and "DATA MONITOR", check "FR LH SENSOR", "FR RH SENSOR", "RR LH SENSOR"
and "RR RH SENSOR".
NOTE:
Set the "DATA MONITOR" recording speed to "10 msec".
7.Read a value (wheel speed) of both normal wheel sensors and error-detecting wheel sensor.
Regarding the deference at 30 km/h (19 MPH) 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?
YES- GO TO 13.
NO- GO TO 14.
13. PERFORM SELF-DIAGNOSIS (4)
With CONSULT
1.Drive the vehicle at approx. 30 km/h (19 MPH) or more for approx. 1 minute.
2.Stop the vehicle.
3.Perform self-diagnosis for "ABS".
Is DTC "C1105", "C1106", "C1107" or "C1108" detected?
YES- GO TO 14.
NO- INSPECTION END
14. CHECK WHEEL SENSOR HARNESS
1.Turn the ignition switch OFF.
2.Disconnect ABS actuator and electric unit (control unit) harness connector.
3.Disconnect wheel sensor harness connector.
4.Check continuity between ABS actuator and electric unit (control unit) harness connector and the ground.
Is the inspection result normal?
YES- GO TO 15.
NO- Repair or replace error-detected parts and GO TO 15.
15. CHECK DATA MONITOR (4)
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 ignition switch OFF, and wait 10 seconds or more.
5.Start the engine.
6.Select "ABS" and "DATA MONITOR", check "FR LH SENSOR", "FR RH SENSOR", "RR LH SENSOR"
and "RR RH SENSOR".
NOTE:
Set the "DATA MONITOR" recording speed to "10 msec".
7.Read a value (wheel speed) of both normal wheel sensors and error-detecting wheel sensor.
Regarding the deference at 30 km/h (19 MPH) 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?
YES- GO TO 16.
NO- GO TO 17.
16. PERFORM SELF-DIAGNOSIS (5)
With CONSULT
1.Drive the vehicle at approx. 30 km/h (19 MPH) or more for approx. 1 minute.
2.Stop the vehicle.
3.Perform self-diagnosis for "ABS".
Is DTC "C1105", "C1106", "C1107" or "C1108" detected?
YES- GO TO 17.
NO- INSPECTION END
17. 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 ignition switch OFF, and wait 10 seconds or more.
4.Start the engine.
5.Select "ABS" and "DATA MONITOR", check "FR LH SENSOR", "FR RH SENSOR", "RR LH SENSOR"
and "RR RH SENSOR".
NOTE:
Set the "DATA MONITOR" recording speed to "10 msec".
6.Read a value (wheel speed) of both normal wheel sensors and error-detecting wheel sensor.
Regarding the deference at 30 km/h (19 MPH) 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?
YES- GO TO 18.
NO- Replace ABS actuator and electric unit (control unit). Refer to "Removal and Installation" Service and Repair.
18. PERFORM SELF-DIAGNOSIS (6)
With CONSULT
1.Drive the vehicle at approx. 30 km/h (19 MPH) or more for approx. 1 minute.
2.Stop the vehicle.
3.Perform self-diagnosis for "ABS".
Is DTC "C1105", "C1106", "C1107" or "C1108" detected?
YES- Replace ABS actuator and electric unit (control unit). Refer to "Removal and Installation" Service and Repair.
NO- INSPECTION END