TEST
ACTION
APPLICABILITY
3
Turn the ignition off.
Visually inspect the Fused B(+) Circuit in the wiring harness from the Junction Block
to the CAB. Look for any sign of an intermittent short to ground.
Is the wiring harness OK?
All
Yes
→
Go To
4
No
→
Repair the Fused B(+) Circuit Shorted to Ground.
Perform ABS VERIFICATION TEST - VER 1.
4
Turn the ignition off.
Remove the ABS Fuse 25 from the Junction Block.
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.
Is the test light on?
All
Yes
→
Repair the Fused B(+) Circuit Shorted to Ground.
Perform ABS VERIFICATION TEST - VER 1.
No
→
Go To
5
5
Turn the ignition off.
Remove the ABS Solenoid Fuse 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 Junction
Block fuse terminal.
Is the test light on?
All
Yes
→
Replace the CAB.
Perform ABS VERIFICATION TEST - VER 1.
No
→
Go To
6
6
Turn the ignition off.
If there are no potential causes remaining, view repair.
If there are no potential causes remaining, view repair.
All
Repair
Replace the Fuse.
Perform ABS VERIFICATION TEST - VER 1.
7
Turn the ignition off.
Remove the ABS Solenoid Fuse from the Power Distribution Center (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
8
No
→
Repair Fused B(+) Circuit Open.
Perform ABS VERIFICATION TEST - VER 1.
11
BRAKES (CAB)
CAB POWER FEED CIRCUIT —
Continued