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01 02 SJC8AH7G10500016685FAAT00 − − − − YES NO YES NO 21-128 Climate Control Navigation Communication Line Circuit Troubleshooting CLIMATE CONTROL UNIT 30P CONNECTOR NAVIGATION UNIT CONNECTOR A (20P) WHT/BLU WHT/RED WHT/BLK WHT/BLU WHT/RED WHT/BLK WHT/BLK CLIMATE CONTROL UNIT 30P CONNECTOR WHT/BLU WHT/RED 1. Disconnect navigation unit connector A (20P). 2. Disconnect the climate control unit 30P connector. 3. Check for continuity between the following terminals of the climate control unit 30P connector 20P No. 24 No. 4 No. 25 No. 15 No. 26 No. 14 Go to step 4. Repair open in the wires between the climate control unit and the navigation unit. 4. Check for continuity between body ground and the climate control unit 30P connector No. 24, 25, and Repair short to body ground in the wires between the climate control unit and the navigation Check for loose wires or poor connections at the climate control unit 30P connector and at the Wire side of female terminals Wire side of female terminals Wire side of female terminals Is ther e continuity? Is ther e continuity? |