Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2008HHR LT, 2.4 P, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 606 (WIPER SYSTEM AND WASHER SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESWASHER MALFUNCTION (FRONT WASHERS)CIRCUIT/SYSTEM TESTING
2008 Chevrolet HHR LT, 2.4 P, Automatic
Circuit/System Testing
2008 Chevrolet HHR LT, 2.4 P, AutomaticSECTION Circuit/System Testing
WARNING: This page is about a different car, the 2011 Chevrolet HHR. However, it is still accessible from the selected car via links, so may be relevant.
Windshield Wiper/Washer Switch Circuit Malfunction
- Ignition OFF, disconnect the harness connector at the Windshield Wiper/Washer switch.
- Ignition ON, test for 12 volts between accessory voltage circuit terminal D and ground.
- If not the specified value, test the accessory voltage circuit terminal D for a short to ground. If the circuit tests normal, replace the BCM.
- Ignition ON, verify the scan tool Windshield Washer Switch parameter is Inactive.
- If not the specified value, test the control circuit terminal B for a short to B+. If the circuit tests normal, replace the BCM.
- Install a 3A fused jumper wire between the control circuit terminal B and B+. Verify the scan tool Windshield Washer Switch parameter is Active.
- If not the specified value, test the control circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the BCM.
- If all circuits test normal, test or replace the Windshield Wiper/Washer switch.
Washer Pump Circuit Malfunction
- Ignition OFF, Disconnect harness connector at Windshield Washer Fluid Pump.
- Ignition ON, test for B+ at control circuit terminal A of Windshield Washer Fluid Pump connector while activating washers.
- If not the specified value, test the controll circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the BCM.
- Install a test light between control circuit terminal A and ground circuit terminal B at the windshield washer fluid pump connector
- The test lamp should turn ON and OFF when the windshield washers are commanded ON and OFF.
- If not the specified value, test the ground circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the BCM.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.