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3. (C18) A/C PRESSURE 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 (C18) A/C Pressure Signal circuit in the A/C Is the voltage above 5.2 volts? Yes >> Repair the short to battery voltage in the (C18) A/C Pres- sure Signal circuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer to No >> Go To 4 4. (C18) A/C PRESSURE SIGNAL CIRCUIT OPEN Turn the ignition off. Measure the resistance of the (C18) A/C Pressure Signal circuit from Is the resistance below 5.0 ohms? Yes >> Go To 5 No >> Repair the open in the (C18) A/C Pressure Signal circuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - 430 ENGINE ELECTRICAL DIAGNOSTICS KJ |