Jeep KJ Liberty 2005 Service Manual page 46

BRAKES (25E)
PUMP MOTOR CIRCUIT —
TEST
3 Turn the ignition off.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Make sure the ABM harness connecter is secure.
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?
Yes → Repair as necessary.
No
4 Turn the ignition off.
Disconnect the ABM harness connector.
Inspect the ABM and ABM harness connector for damage.
Is there any broken, bent, pushed out, corroded, or spread terminals?
Yes → Repair as necessary.
No
5 Turn the ignition off.
Disconnect the ABM harness connector.
Check connectors - Clean/repair as necessary.
Measure the voltage of the ABS Pump Fused B(+) circuit.
Is the voltage above 10 volts?
Yes → Go To 6
No
6 Turn the ignition off.
Disconnect the ABM harness connector.
Check connectors - Clean/repair as necessary.
Measure the resistance of the ground circuits.
Is the resistance below 5.0 ohms?
Yes → Replace the Anti-Lock Brake Module in accordance with the
No
Continued
ACTION
Perform ABS VERIFICATION TEST - VER 1.
→ Test Complete.
Perform ABS VERIFICATION TEST - VER 1.
→ Go To 5
→ Repair the ABS Pump Fused B(+) circuit for an open.
Perform ABS VERIFICATION TEST - VER 1.
Service Information.
Perform ABS VERIFICATION TEST - VER 1.
→ Repair the Pump Motor ground circuit(s) for an open.
Perform ABS VERIFICATION TEST - VER 1.
44
APPLICABILITY
All
All
All
All