C1275

BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: C1413, C1275, C1276, C1414: Front Speed Sensor RH Output Malfunction


DESCRIPTION

Refer to DTCs C1401 and C1402 C1401.





HINT
- DTCs C1413 and C1275 are for the front speed sensor RH.
- DTCs C1414 and C1276 are for the front speed sensor LH.

WIRING DIAGRAM

Refer to DTCs C1405 and C1406 C1405.

INSPECTION PROCEDURE

NOTICE:
- When replacing the master cylinder solenoid, perform calibration Programming and Relearning.
- Check the speed sensor signal after cleaning or replacement Test Mode Procedure.

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (MOMENTARY INTERRUPTION) C1405

NG -- CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - FRONT SPEED SENSOR)
OK -- Continue to next step.

2. READ VALUE USING TECHSTREAM (FRONT SPEED SENSOR) C1401

NG -- CHECK FRONT SPEED SENSOR INSTALLATION
OK -- Continue to next step.

3. PERFORM TEST MODE (SIGNAL CHECK)

(a) Turn the engine switch off.

(b) Perform the sensor check in the Test Mode Procedure Test Mode Procedure.

OK:

All test mode DTCs are cleared.

NG -- CHECK FRONT SPEED SENSOR INSTALLATION
OK -- Continue to next step.

4. RECONFIRM DTC

(a) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.

(b) Start the engine.

(c) Drive the vehicle at a speed of 40 km/h (25 mph) or more for at least 60 seconds.

(d) Check if the same DTC is output Reading and Clearing Diagnostic Trouble Codes.

Result





B -- REPLACE FRONT SPEED SENSOR

A -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting

5. CHECK FRONT SPEED SENSOR INSTALLATION C1401

NG -- INSTALL FRONT SPEED SENSOR CORRECTLY
OK -- Continue to next step.

6. INSPECT FRONT SPEED SENSOR TIP C1401

NG -- CLEAN OR REPLACE FRONT SPEED SENSOR
OK -- Continue to next step.

7. INSPECT FRONT SPEED SENSOR ROTOR C1401

NG -- CLEAN OR REPLACE FRONT SPEED SENSOR ROTOR
OK -- Continue to next step.

8. INSPECT SKID CONTROL SENSOR WIRE C1405

NG -- REPLACE SKID CONTROL SENSOR WIRE Removal
OK -- Continue to next step.

9. CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - FRONT SPEED SENSOR) C1405

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

10. CHECK TERMINAL VOLTAGE (FR+, FL+) C1405

NG -- REPLACE MASTER CYLINDER SOLENOID Disassembly
OK -- Continue to next step.

11. RECONFIRM DTC

(a) Clear the DTC Reading and Clearing Diagnostic Trouble Codes.

(b) Start the engine.

(c) Drive the vehicle at a speed of 40 km/h (25 mph) or more for at least 60 seconds.

(d) Check if the same DTC is output Reading and Clearing Diagnostic Trouble Codes.

Result





B -- REPLACE FRONT SPEED SENSOR

A -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting

12. REPLACE FRONT SPEED SENSOR C1401

NEXT -- Continue to next step.

13. RECONFIRM DTC

(a) Clear the DTC Reading and Clearing Diagnostic Trouble Codes.

(b) Start the engine.

(c) Drive the vehicle at a speed of 40 km/h (25 mph) or more for at least 60 seconds.

(d) Check if the same DTC is output Reading and Clearing Diagnostic Trouble Codes.

Result





B -- REPLACE FRONT AXLE WITH ABS ROTOR BEARING ASSEMBLY Disassembly

A -- END