TEST
ACTION
APPLICABILITY
3
Turn the ignition off.
Remove Fuse 12 from the PDC.
Disconnect the CAB harness connector.
Note: Check connector - Clean/repair as necessary.
Using a test light connected to 12 volts, probe the Fused B(+) Circuit.
Does the test light illuminate brightly?
All
Yes
→ Repair the Fused B(+) Circuit Shorted to Ground.
Perform ABS VERIFICATION TEST - VER 1.
No
→ Go To 4
4
Turn the ignition off.
Remove Fuse 12 from the PDC.
The CAB must be connected for the results of this test to be valid.
Using a test light connected to 12 volts, probe the Fused B+ circuit at the PDC fuse
terminal.
Does the test light illuminate brightly?
All
Yes
→ Replace the Controller Antilock Brake in accordance with the
Service Information.
Perform ABS VERIFICATION TEST - VER 1.
No
→ Go To 5
5
Turn the ignition off.
If there are no potential causes remaining, view repair.
All
Continue
Replace the Fuse.
Perform ABS VERIFICATION TEST - VER 1.
6
Turn the ignition off.
Remove Fuse 12 from the PDC.
Disconnect the CAB harness connector.
Note: Check connector - Clean/repair as necessary.
Measure the resistance of the Fused B+ circuit between the PDC fuse terminal and
the CAB connector.
Is the resistance below 5 ohms?
All
Yes
→ Go To 7
No
→ Repair the Fused B+ circuit for an open.
Perform ABS VERIFICATION TEST - VER 1.
7
Remove Fuse 12 from the PDC.
Turn the ignition on.
Measure the voltage of the Fused B+ supply to Fuse 12 in the PDC.
Is the voltage above 10 volts?
All
Yes
→ Go To 8
No
→ Repair the B+ Supply circuit for an open.
Perform ABS VERIFICATION TEST - VER 1.
8
If there are no potential causes remaining, view repair.
All
Repair
Replace the Controller Antilock Brake in accordance with the
Service Information.
Perform ABS VERIFICATION TEST - VER 1.
11
BRAKES (CAB)
CAB POWER FEED CIRCUIT —
Continued