C1111
C1111 ABS MOTOR, MOTOR RELAY SYSTEM
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.Turn the power switch OFF ON, and wait 30 seconds.
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 "C1111" detected?
YES- Proceed to "Diagnosis Procedure" .
NO- INSPECTION END
Diagnosis Procedure
1. CHECK CONNECTOR
1.Turn the power switch OFF.
2.Check the ABS actuator and electric unit (control unit) harness connector for disconnection or looseness.
Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace error-detected parts, securely lock the connector, and GO TO 2.
2. PERFORM SELF-DIAGNOSIS
With CONSULT
1.Turn the power switch OFF ON, and wait 30 seconds.
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 "C1111" detected?
YES- GO TO 3.
NO- INSPECTION END
3. CHECK ABS MOTOR AND MOTOR RELAY POWER SUPPLY
1.Turn the power switch OFF.
2.Disconnect ABS actuator and electric unit (control unit) harness connector.
3.Check the voltage between ABS actuator and electric unit (control unit) harness connector and ground.
4.Turn the power switch ON.
CAUTION:
Never set the vehicle to READY.
5.Check the voltage between ABS actuator and electric unit (control unit) harness connector and ground.
Is the inspection result normal?
YES- GO TO 6.
NO- GO TO 4.
4. CHECK ABS MOTOR AND MOTOR RELAY POWER SUPPLY CIRCUIT
1.Turn the power switch OFF.
2.Check the 30A fusible link (#L).
3.Check the continuity and short circuit between ABS actuator and electric unit (control unit) harness connector terminal (1) and 30A fusible link (#L).
Is the inspection result normal?
YES- Perform trouble diagnosis for 12V battery power supply. Refer to "Wiring Diagram BATTERY POWER SUPPLY -" Battery Power Supply.
NO- Repair or replace error-detected parts. GO TO 5.
5. ERASE SELF-DIAGNOSIS RESULT (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.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.
- INSPECTION END
6. CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) GROUND CIRCUIT
1.Turn the power switch OFF.
2.Check the continuity between ABS actuator and electric unit (control unit) harness connector and the ground.
Is the inspection result normal?
YES- GO TO 8.
NO- Repair or replace error-detected parts.GO TO 7.
7. ERASE SELF-DIAGNOSIS RESULT (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.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.
- INSPECTION END
8. CHECK TERMINAL
1.Turn the power switch OFF.
2.Check the ABS actuator and electric unit (control unit) pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?
YES- Replace ABS actuator and electric unit (control unit). Refer to "Removal and Installation" Removal And Installation.
NO- Repair or replace error-detected parts.GO TO 9.
9. ERASE SELF-DIAGNOSIS RESULT (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.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.
- INSPECTION END