Verification Tests
ABS VERIFICATION TEST - VER 1 APPLICABILITY
1. Turn the ignition off.
2. Connect all previously disconnected components and connectors.
3. Ensure all accessories are turned off and the battery is fully charged.
4. Ensure that the Ignition is on, and with the DRBIII, erase all Diagnostic Trouble Codes from
ALL modules. Start the engine and allow it to run for 2 minutes and fully operate the system
that was malfunctioning.
5. Turn the ignition off and wait 5 seconds. Turn the ignition on and using the DRBIII, read
DTC’s from ALL modules.
6. If any Diagnostic Trouble Codes are present, return to Symptom list and troubleshoot new
or recurring symptom.
7. NOTE: For Sensor Signal and Pump Motor faults, the CAB must sense all 4 wheels
at 25 km/h (15 mph) before it will extinguish the ABS Indicator.
8. If there are no DTC’s present after turning ignition on, road test the vehicle for at least 5
minutes. Perform several antilock braking stops.
9. Caution: Ensure braking capability is available before road testing.
10. Again, with the DRBIIIt read DTC’s. If any DTC’s are present, return to Symptom list.
11. If there are no Diagnostic Trouble Codes (DTC’s) present, and the customer’s concern can no
longer be duplicated, the repair is complete.
Are any DTC’s present or is the original concern still present?
All
Yes → Repair is not complete, refer to appropriate symptom.
No → Repair is complete.
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VERIFICATION TESTS
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