Anti-Lock Brake System for Hatchback (from 07/2011)

BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ANTI-LOCK BRAKE SYSTEM (for Hatchback): C1277, C1278, C1415, C1416: Abnormal Change in Output Signal of Rear Speed Sensor RH (Test Mode DTC)
C1416 - Rear Speed Sensor LH Output Malfunction

DESCRIPTION

Refer to DTCs C1403 and C1404 Anti-Lock Brake System for Hatchback (from 07/2011).

Test Mode Diagnosis Code

HINT
* DTC C1415 and C1277 are for the rear speed sensor RH.
* DTC C1416 and C1278 are for the rear speed sensor LH.

WIRING DIAGRAM

Refer to DTCs C1403 and C1404 Anti-Lock Brake System for Hatchback (from 07/2011).

INSPECTION PROCEDURE

NOTICE:
Disassembly of the rear speed sensor from the rear axle hub and bearing assembly is prohibited.

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (MOMENTARY INTERRUPTION) Anti-Lock Brake System for Hatchback (from 07/2011)

NG -- CHECK HARNESS AND CONNECTOR (REAR SPEED SENSOR WIRE)
OK -- Continue to next step.

2. READ VALUE USING TECHSTREAM (REAR SPEED SENSOR) Anti-Lock Brake System for Hatchback (from 07/2011)

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

3. PERFORM TEST MODE (SIGNAL CHECK)

(a) Turn the ignition switch off.

(b) Perform the sensor check in the Test Mode procedure Test Mode Procedure (from 07/2011).

OK:

All Test Mode DTCs are cleared.

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

4. RECONFIRM DTC

(a) Turn the ignition switch off.

(b) Clear the DTCs Anti-Lock Brake System (for Hatchback).

(c) Start the engine.

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

(e) Check if the same DTC is recorded Anti-Lock Brake System (for Hatchback).

Result

HINT
If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table and proceed to the next step Problem Symptoms Table (from 07/2011).

B -- REPLACE REAR AXLE HUB AND BEARING ASSEMBLY (REAR SPEED SENSOR, SENSOR ROTOR)

A -- CHECK INTERMITTENT PROBLEMS (SYMPTOM SIMULATION) Anti-Lock Brake System for Hatchback (from 07/2011)

5. CHECK REAR SPEED SENSOR INSTALLATION Anti-Lock Brake System for Hatchback (from 07/2011)

NG -- REPLACE REAR AXLE HUB AND BEARING ASSEMBLY (REAR SPEED SENSOR, SENSOR ROTOR) Removal (from 07/2011)
OK -- Continue to next step.

6. CHECK HARNESS AND CONNECTOR (REAR SPEED SENSOR WIRE) Anti-Lock Brake System for Hatchback (from 07/2011)

NG -- REPLACE REAR SPEED SENSOR WIRE
OK -- Continue to next step.

7. CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - REAR SPEED SENSOR) Anti-Lock Brake System for Hatchback (from 07/2011)

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

8. INSPECT SKID CONTROL ECU (SENSOR INPUT) Anti-Lock Brake System for Hatchback (from 07/2011)

NG -- REPLACE BRAKE ACTUATOR ASSEMBLY Removal (from 07/2011)
OK -- Continue to next step.

9. RECONFIRM DTC

(a) Turn the ignition switch off.

(b) Clear the DTCs Anti-Lock Brake System (for Hatchback).

(c) Start the engine.

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

(e) Check if the same DTC is recorded Anti-Lock Brake System (for Hatchback).

Result

HINT
If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table and proceed to the next step Problem Symptoms Table (from 07/2011).

B -- CHECK INTERMITTENT PROBLEMS (SYMPTOM SIMULATION) Anti-Lock Brake System for Hatchback (from 07/2011)
A -- Continue to next step.

10. REPLACE REAR AXLE HUB AND BEARING ASSEMBLY (REAR SPEED SENSOR, SENSOR ROTOR)

(a) Turn the ignition switch off.

(b) Replace the rear speed sensor and rear axle hub and bearing assembly Removal (from 07/2011).

NOTICE:
Check the speed sensor signal after replacement Test Mode Procedure (from 07/2011).

HINT
The rear speed sensor rotor is incorporated into the rear axle hub and bearing assembly.

If the rear speed sensor rotor needs to be replaced, replace it together with the rear axle hub and bearing assembly with rear speed sensor.

NEXT -- Continue to next step.

11. RECONFIRM DTC

(a) Turn the ignition switch off.

(b) Clear the DTCs Anti-Lock Brake System (for Hatchback).

(c) Start the engine.

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

(e) Check if the same DTC is recorded Anti-Lock Brake System (for Hatchback).

Result