Rear Control Module Does Not Control Rear Auxiliary Doors
- Ignition ON, disconnect front auxiliary HVAC control module connector. Disconnect auxiliary HVAC control logic module connector. Connect powered test light between front auxiliary HVAC module connector terminal F and auxiliary HVAC control logic module connector terminal M. If test light is lit, go to next step. If test light is not lit, repair open in Orange wire (circuit 1923) between auxiliary HVAC control logic module and auxiliary HVAC control logic module.
- Connect un-powered test light between auxiliary HVAC control logic module connector terminal J and ground. If test light is lit, go to next step. If test light is not lit, repair open in Brown wire (circuit 341) between splice S308 and auxiliary HVAC control logic module.
- Connect fused jumper wire from auxiliary HVAC logic module pin M to ground. Connect fused jumper wire from auxiliary HVAC control logic module pin J to positive battery voltage. Connect powered test light between auxiliary HVAC logic module pins D and B. If test light is lit, go to next step. If test light is not lit, replace auxiliary HVAC control logic module.
- Disconnect rear auxiliary HVAC control module connector. Connect un-powered test light between rear auxiliary HVAC control module connector terminal G and ground. If test light is lit, go to next step. If test light is not lit, repair open in Brown wire (circuit 341) between splice S308 and rear auxiliary HVAC module.
- Connect powered test light between rear auxiliary HVAC control module connector terminal B and ground. If test light is lit, replace rear auxiliary HVAC control module. If test light is not lit, repair open in Black wire (circuit 150) between rear auxiliary HVAC control module and splice S307.