TEST ACTION APPLICABILITY
4 Turn the ignition off.
Disconnect the CAB harness connector.
Measure the voltage of the ABS Valve Fused B(+) circuit.
Is the voltage above 10 volts?
All
Yes → Go To 5
No → Repair theABS Valve Fused B(+) circuit for an open. If the fuse is
open make sure to check for a short to ground.
Perform ABS VERIFICATION TEST - VER 1.
5 Turn the ignition off.
Disconnect the CAB harness connector.
Measure the resistance of the ground circuits.
Is the resistance below 5.0 ohms?
All
Yes → Replace the Controller Antilock Brake in accordance with the
Service Information.
Perform ABS VERIFICATION TEST - VER 1.
No → Repair the ground circuit(s) for an open.
Perform ABS VERIFICATION TEST - VER 1.
6 Turn the ignition off.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wire harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Refer to any Hotline letters or Technical Service Bulletins that may apply.
Were any problems found?
All
Yes → Repair as necessary.
Perform ABS VERIFICATION TEST - VER 1.
No → Test Complete.
11
BRAKES (CAB)
BATTERY VOLTAGE OUT OF RANGE — Continued
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