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P0132-O2 SENSOR 1/1 CIRCUIT HIGH (CONTINUED) 2. (K41) O2 1/1 SIGNAL CIRCUIT SHORTED TO BATTERY VOLTAGE Start the engine and allow the engine to idle. Disconnect the 1/1 O2 Sensor harness connector. Measure the voltage on the (K41) O2 Sensor 1/1 Signal circuit in the NOTE: Measure the voltage in reference to ground, not the (K902) Is the voltage above 0 volts? Yes >> Repair the short to battery voltage in the (K41) O2 Sensor 1/1 Signal circuit. Perform POWERTRAIN VERIFICATION TEST. (Refer to 9 No >> Go To 3 3. (K902) O2 RETURN UPSTREAM CIRCUIT SHORTED TO BATTERY VOLTAGE Turn the ignition off. Disconnect the C1 PCM harness connector. Ignition on, engine not running. Measure the voltage on the (K902) O2 Return Upstream circuit in the Is there any voltage present? Yes >> Repair the short to battery voltage in the (K902) O2 Return Upstream circuit. Perform POWERTRAIN VERIFICATION TEST. (Refer to 9 No >> Go To 4 9 - 142 ENGINE ELECTRICAL DIAGNOSTICS ND |