Diagnostic Test
WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.
- ADJUST THE NEUTRAL POSITION OF STEERING ANGLE SENSOR
Perform neutral position adjustment of steering angle sensor. Refer to DESCRIPTION .
GO TO STEP 2 .
- CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
With CONSULT
- Turn the ignition switch OFF.NOTE:
Wait at least 10 seconds after turning ignition switch OFF.
- Set the vehicle to READY/Start the engine.NOTE:
Wait at least 10 seconds after set the vehicle to READY/start the engine.
- Repeat step 1 to 2 two or more times.
- Perform self-diagnosis for "ABS".
Is DTC "C1144" detected?
YES
GO TO STEP 3 .
NO
INSPECTION END
- Turn the ignition switch OFF.
- CHECK STEERING ANGLE SENSOR SYSTEM
- Turn the ignition switch OFF.
- Check the steering angle sensor system. Refer to DIAGNOSIS PROCEDURE .
Is the inspection result normal?
YES
GO TO STEP 4 .
NO
Repair / replace harness, connector, or terminal.
- CHECK DATA MONITOR
With CONSULT
- "ABS", "DATA MONITOR" and "STR ANGLE SIG" according to this order.
- Check that the indication changes with the steering angle when the steering wheel is turned left/right from the neutral position. Refer to REFERENCE VALUE .
Is the inspection result normal?
YES
Replace the ABS actuator and electric unit (control unit). Refer to REMOVAL AND INSTALLATION .
NO
Replace the steering angle sensor. Refer to REMOVAL AND INSTALLATION .