2003 Excursion, F-Super Duty 250-550 Anti-Lock Control Diagnosis and Testing

Vehicle Dynamic Systems — 4-Wheel

DIAGNOSIS AND TESTING

Anti-Lock Control

Refer to Wiring Diagrams Cell 42, Anti-Lock Brake System (ABS) for schematic and connector information.

Inspection and Verification

Anti-Lock Quick Check Sheet Using EEC-IV 60-Pin Breakout Box

1. Verify the customer concern by operating the vehicle and applying the brakes under different conditions to duplicate the condition. 

2. Inspect to determine if one of the following mechanical or electrical concerns apply: ...

3. If the inspection reveals an obvious concern(s) that can be readily identified, repair as required.

4. If the concern remains after the inspection, connect the diagnostic tool to the data link connector (DLC) located beneath the instrument panel and select the vehicle to be tested from the diagnostic tool menu. If the diagnostic tool does not communicate with the vehicle: 

• Check that the program card is correctly installed. 

• Check the connections to the vehicle. 

• Check the ignition switch position. 

• Verify that the battery voltage is between 10 and 16 volts. Download File PDF


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