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P2174-LOW AIRFLOW/RESTRICTION DETECTED (INSTANTANEOUS ACCUMULATION) (CONTINUED) 10. RESISTANCE IN (K922) SENSOR RETURN CIRCUIT Measure the resistance of the (K922) Sensor Return circuit from the Is the resistance below 5.0 ohms? Yes >> Go To 17 No >> Repair the excessive resistance in the (K922) Sensor Return circuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer 11. RESISTANCE IN THE (F856) 5-VOLT SUPPLY CIRCUIT Turn the ignition off. Disconnect the MAP Sensor harness connector. Disconnect the C1 PCM harness connector. CAUTION: Do not probe the PCM harness connectors. Probing Is the resistance below 5.0 ohms? Yes >> Go To 12 No >> Repair the excessive resistance in the (F856) 5-volt Sup- ply circuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer 9 - 942 ENGINE - ELECTRICAL DIAGNOSTICS - 3.7L/4.7L/5.7L DR/DH |