FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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ABS Verification Test







ABS VERIFICATION TEST

ABS VERIFICATION TEST

Turn the ignition off.
Disconnect all jumper wires and reconnect all previously disconnected components and connectors.
With the scan tool, erase all Diagnostic Trouble Codes (DTCs) from ALL modules. Start the engine and allow it to run for 2 minutes.
Turn the ignition off and wait 5 seconds. Turn the ignition on and using the scan tool, read DTCs from ALL modules.

CAUTION: Ensure braking capability is available before road testing.

NOTE: For sensor signal and pump motor faults, the CAB must sense all 4 wheels at 25 km/h (15 MPH) before the CAB will extinguish the indicator lamp.

Road test the vehicle for a minimum of 5 minutes. Perform several antilock braking stops.
Again, with the scan tool, confirm that no DTCs are present and that all components are functioning properly.
If there are no DTCs present and all components are functioning properly, the repair is complete.
Are any DTCs present?

YES

- Repair is not complete, refer to appropriate procedure.

NO

- Repair is complete.