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B1001–A/C SWITCH REQUEST INPUT CIRCUIT LOW (CONTINUED) 3. CHECK FOR NORMAL A/C MODE SWITCH & STATUS INDICATOR FUNCTION Turn the ignition on. Turn the blower control on. Press the A/C mode switch on and off several times while observing the A/C status indicator. Does the A/C status indicator turn on and off with respect to the switch position? Yes >> Go To 4 No >> Replace the A/C Heater Control in accordance with the Service Information. Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL 4. VERIFY THAT DTC B1001–A/C SWITCH REQUEST INPUT CIRCUIT LOW IS STILL ACTIVE Turn the blower control off. With the scan tool, erase HVAC DTCs. Turn the ignition off, wait 10 seconds, and then turn the ignition on. Wait two minutes before proceeding. With the scan tool, read HVAC DTCs. Does the scan tool display active: B1001–A/C SWITCH REQUEST INPUT CIRCUIT LOW? Yes >> Replace the A/C Heater Control in accordance with the Service Information. Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL No >> Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES/FRONT CONTROL MODULE - DIAGNOSIS AND TESTING). 24 - 38 HVAC - ELECTRICAL DIAGNOSTICS ND |