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3. CHECK THE (C105) HVAC MUX CONTROL CIRCUIT FOR A SHORT TO GROUND Turn the ignition off. Disconnect the Instrument Cluster C4 harness connector. Measure the resistance of the (C105) HVAC MUX Control circuit Does the ohm meter read open circuit? Yes >> Go To 4 No >> Repair the (C105) HVAC MUX Control circuit for a short to ground. Perform the BODY VERIFICATION TEST – VER 1. (Refer 4. CHECK THE (C105) HVAC MUX CONTROL CIRCUIT FOR A SHORT TO THE (Z936) GROUND CIRCUIT & Measure the resistance between the (C105) HVAC MUX Control circuit Measure the resistance between the (C105) HVAC MUX Control circuit Does the ohm meter read open circuit? Yes >> Replace the Instrument Cluster (CCN) in accordance with the Service Information. Perform the BODY VERIFICATION TEST – VER 1. (Refer No >> Repair any circuits that are shorted to the (C105) HVAC MUX Control circuit. Perform the BODY VERIFICATION TEST – VER 1. (Refer PM HEATING & AIR CONDITIONING ELECTRICAL DIAGNOSTICS 24 - 5 |