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Home >> Volvo >> 2007 >> S60 Base, AWD >> Repair and Diagnosis (Single Page) >> Electrical >> Body Electrical >> Central Electronic Module (CEM), Rear Electronic Module (Rem), Upper Electronics Module (UEM) - Diagnostic Trouble Codes - 8 Of 13 >> CEM-8E01: Back-Up (Reversing) Lamp Switch. Faulty Signal (2005-2009) >> Faulty signal >> Checking >> Checking Components And Wiring, No Fault Detected
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Checking Components And Wiring, No Fault Detected

Check central electronic module (CEM) connector C. Check for contact resistance and oxidation. Check for damage in particular.

Check the connector on the back-up (reversing) lamp switch. Check for contact resistance and oxidation. Check for damage in particular.

Check the cable between the central electronic module (CEM) and the back-up (reversing) lamp switch. Check for an open-circuit. Check for an intermittent short-circuit to ground.

Take readings between:

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