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B10A3–LEFT BLEND DOOR CONTROL CIRCUIT LOW (ATC) (CONTINUED) 2. CHECK THE LEFT BLEND DOOR ACTUATOR CIRCUIT RESISTANCE Measure the resistance between the (C255) Left Blend Door Driver cir- Is the resistance below 30.0 ohms? Yes >> Go To 3 No >> Go To 4 3. CHECK THE (C255) LEFT BLEND DOOR DRIVER CIRCUIT FOR A SHORT TO THE (C55) LEFT BLEND Disconnect the Left Blend Door Actuator harness connector. Measure the resistance between the (C255) Left Blend Door Driver cir- Is the resistance below 10k ohms? Yes >> Repair the (C255) Left Blend Door Driver circuit for a short to the (C55) Left Blend Door Common Driver circuit. Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 No >> Replace the Left Blend Door Actuator in accordance with the Service Information. Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 24 - 228 HVAC - ELECTRICAL DIAGNOSTICS WK |