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3. (G31) AAT SIGNAL CIRCUIT SHORTED TO BATTERY VOLTAGE Turn the ignition off. Disconnect the C2 BCM harness connector. Ignition on, engine not running. Measure the voltage on the (G31) AAT Signal circuit in the AAT Sensor Is the voltage above 5.2 volts? Yes >> Repair the short to battery voltage in the (G31) AAT Signal circuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer to No >> Go To 4 4. (G31) AAT SIGNAL CIRCUIT OPEN Turn the ignition off. Measure the resistance of the (G31) AAT Signal circuit from the AAT Is the resistance below 5.0 ohms? Yes >> Go To 5 No >> Repair the open in the (G31) AAT Signal circuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - 58 ENGINE ELECTRICAL DIAGNOSTICS KJ |