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.

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY AND GROUND CIRCUIT

Perform the trouble diagnosis for ABS actuator and electric unit (control unit) power supply and ground circuit. Refer to DIAGNOSIS PROCEDURE .

Is the inspection result normal?

YES

GO TO STEP 2 .

NO

Repair / replace harness, connector, fuse, or fusible link.

PERFORM SELF-DIAGNOSIS

With CONSULT
1. Turn the ignition switch OFF → ON.
  CAUTION:
  - Be sure to wait of 10 seconds after turning ignition switch OFF or ON.
  - Set the vehicle to READY/Start the engine.
2. Repeat step 1 two or more times.
3. Perform self-diagnosis for "ABS".
Is any DTC detected?

YES

Check the DTC. Refer to DTC INDEX .

NO

GO TO STEP 3 .

CHECK ABS WARNING LAMP SIGNAL

With CONSULT
1. Select "ABS", "DATA MONITOR" and "ABS WARN LAMP" according to this order.
2. Turn the ignition switch OFF.
3. Check that data monitor displays "On" for several seconds after ignition switch is turned ON and then changes to "Off".
  CAUTION:
  Never set the vehicle to READY/Never start the engine.
Is the inspection result normal?

YES

Replace combination meter. Refer to REMOVAL AND INSTALLATION .

NO

Replace the ABS actuator and electric unit (control unit). Refer to REMOVAL AND INSTALLATION .