FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Test B: C1095



B: C1O95-Pump Motor Failure

B1: CHECK CONDITION OF FUSE

1. Check 30A fuse located in underbonnet fuse box, fuse 18.

- Is the fuse OK?
-> Yes Go to B2
-> No Replace fuse.

B2: MEASURE CONNECTOR RESISTANCE

1. Measure the resistance between pins 1 and 2 of flylead going to ABS pump.

- Is the resistance less than 20 ohms?
-> Yes Go to B3
-> No Replace HCU.

B3: MEASURE CONNECTOR VOLTAGE

1. Disconnect connector LF037. Measure the voltage between pins 9 and 24.

- Is the voltage approximately 12 volts?
-> Yes Replace HCU.
-> No Go to B4

B4: INSPECT HARNESS/CONNECTORS

1. Inspect harness / connectors from ABS module to fusebox for damage / corrosion, bent / pushed back pins.

- Is damage found?
-> Yes Repair as necessary.
-> No Replace HCU.