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P1195-O2 SENSOR 1/1 SLOW DURING CATALYST MONITOR (CONTINUED) 3. (K41) O2 SENSOR 1/1 SIGNAL CIRCUIT VOLTAGE DROP Turn the ignition off. Backprobe the (K41) O2 Sensor 1/1 Signal circuit at the 1/1 O2 Sensor harness connector and PCM harness con- NOTE: Make sure the voltmeter leads are connected for positive polarity, meet the terminals in the connec- NOTE: Make sure the voltmeter leads are connected for positive polarity Allow the engine to idle. Is the voltage below 0.10 of a volt? Yes >> Go To 4 No >> Repair the excessive resistance on the (K41) O2 Sensor 1/1 Signal circuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) 4. (K900) SENSOR GROUND CIRCUIT VOLTAGE DROP Turn the ignition off. Backprobe the (K900) Sensor ground circuit at the O2 Sensor harness connector and PCM harness connector. NOTE: Make sure the voltmeter leads are connected for positive polarity, meet the terminals in the connec- NOTE: Make sure the voltmeter leads are connected for positive polarity Allow the engine to idle. Is the voltage below 0.10 of a volt? Yes >> Go To 5 No >> Repair the excessive resistance in the (K900) Sensor ground circuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) 5. O2 SENSOR Turn the ignition off. If there are no possible causes remaining, view repair. Repair Replace the O2 Sensor Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) 9 - 1926 ENGINE - ELECTRICAL DIAGNOSTICS - SRT-10 DR/DH |