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B100A–RECIRCULATION SWITCH REQUEST INPUT CIRCUIT LOW (ATC) (CONTINUED) 3. CHECK FOR NORMAL RECIRCULATION MODE SWITCH & STATUS INDICATOR FUNCTION Turn the ignition on. Press the Recirculation mode switch on and off several times while observing the Recirculation status indicator. Does the Recirculation status indicator turn on and off? 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 B100A–RECIRCULATION SWITCH REQUEST INPUT CIRCUIT LOW IS STILL ACTIVE With the scan tool, erase HVAC DTCs. Turn the ignition off, wait 10 seconds, and then turn the ignition on. Wait 10 minutes before proceeding. With the scan tool, read HVAC DTCs. Does the scan tool display active: B100A–RECIRCULATION 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 - STANDARD PROCEDURE). 24 - 248 HVAC - ELECTRICAL DIAGNOSTICS WK |