Pinpoint Test J: The Anti-Lock Brake System (Abs) Warning Indicator Is Never On

WARNING: This page is about a different car, the 2007 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.

J1 CARRY OUT THE INSTRUMENT CLUSTER INDICATOR LAMP CONTROL COMMAND USING THE SCAN TOOL
- Key in ON position.
- Enter the following diagnostic mode on the diagnostic tool: Instrument Cluster Active Command
- Select the instrument cluster indicator lamp control command. Select the ABS active command on. Observe the ABS warning indicator.
- Does the ABS warning indicator illuminate when commanded on?
1. YES : Go to J2.
2. NO : Go to J4.
J2 VERIFY THE ABS MODULE OPERATION
- Disconnect: ABS Module C135
- Key in ON position.
- Observe the ABS warning indicator.
- Does the ABS warning indicator illuminate?
1. YES : Go to J3.
2. NO : Go to J4.
J3 CHECK FOR CORRECT ABS MODULE OPERATION
- Disconnect all the ABS module connectors.
- Check for:
  - corrosion
  - damaged pins
  - pushed-out pins
- Connect all the ABS module connectors and make sure they seat correctly.
- Operate the system and verify the concern is still present.
- Is the concern still present?
1. YES : INSTALL a new ABS module. REFER to VEHICLE DYNAMIC SYSTEMS . TEST the system for normal operation.
2. NO : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.
J4 CHECK FOR CORRECT INSTRUMENT CLUSTER OPERATION
- Disconnect all the instrument cluster connectors.
- Check for:
  - corrosion
  - damaged pins
  - pushed-out pins
- Connect all the instrument cluster connectors and make sure they seat correctly.
- Operate the system and verify the concern is still present.
- Is the concern still present?
1. YES : INSTALL a new instrument cluster. REFER to Instrument Cluster (IC) . TEST the system for normal operation.
2. NO : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.