Diagnostic Trouble Code: 022
Diagnostic Trouble Code Name: Front Washer Request Signal Circuit
Vehicle Make: Holden
Vehicle Model: Epica (V250)
Diagnostic Code Entered By: ZerOne
Diagnostic Code Entered On: Wed Oct 06, 2010 11:00 pm
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Diagnostic Trouble Code Description:
Pump Motor Circuit
Possible Sensor Faults
EBCM
Possible Related Diagnostic Trouble Codes
DTC C0110
Circuit / System Description
The pump motor is an integral part of the brake pressure modulator valve (BPMV), while the pump motor relay is integral to the electronic brake control module (EBCM). The pump motor relay is not engaged during normal system operation. When the antilock brake system (ABS) or traction control system (TCS) operation is required the EBCM activates the pump motor relay and turns the pump motor ON.
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