Upper Electronic Module (Uem) Diagnostic Trouble Codes: Wiring Volvo XC90 I

CHECKING THE WIRING

1. Ignition off. Check the connectors for the upper electronic module (UEM) and rain sensor. Check for contact resistance and oxidation. Also check the rain sensor and GSM antenna wiring (if applicable). Ensure that there are no sources of interference nearby. Remedy as necessary. Other information: see «UPPER ELECTRONIC MODULE (UEM)/REARVIEW MIRROR, REPLACING»(ref-476710-S40827795872012060500000) see «RAIN SENSOR»(ref-476806-S25264844722012060500000) see «SIGNAL DESCRIPTION, UPPER ELECTRONIC MODULE (UEM)»(ref-476705-S20964673452012060500000) see «CHECKING WIRING AND TERMINALS»(ref-476689-S17655503092012060500000)

1. Continue Refer to «VERIFICATION»(ref-476811-S08572474752012060500000)