Operation CHARM: Car repair manuals for everyone.

D: C1095 - Hydraulic Pump Motor Circuit Failure

Pinpoint Test D: DTC C1095 Anti lock Brake system (ABS) Hydraulic Pump Motor Circuit Failure
Normal Operation
The operating voltage required to run the hydraulic pump motor is in a range between 10 and 17 volts.
Voltage is supplied by circuit 30-CF13 (RD) (power hot at all times). Ground is provided through circuit 31-CF6A (BK/YE) and 31-CF6B (BK/YE).

Possible Causes
^ ground circuit 31-CF6A (BK/YE) or 31-CF6B (BK) open
^ power supply circuit 30-CF13 (RD) open
^ hydraulic pump motor
^ ABS module

Test D1:




Test D2-D4:






PINPOINT TEST D: DTC C1095 ABS HYDRAULIC PUMP MOTOR CIRCUIT FAILURE

CAUTION: Use the Flex Probe Kit for all test connections to prevent damage to the wiring terminals. Do not use standard multimeter probes.