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P0406-EGR POSITION SENSOR CIRCUIT HIGH (CONTINUED) 5. (K34) EGR POSITION SENSOR SIGNAL CIRCUIT OPEN Turn the ignition off. Disconnect the C2 PCM harness connector. CAUTION: Do not probe the PCM harness connectors. Probing Is the resistance below 5.0 ohms? Yes >> Go To 6 No >> Repair the open in the (K34) EGR Position Sensor Signal circuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer 6. (K900) SENSOR GROUND CIRCUIT OPEN Measure the resistance of the (K900) Sensor ground circuit from the Is the resistance below 30 ohms? Yes >> Go To 7 No >> Repair the open in the (K900) Sensor ground circuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer 9 - 418 ENGINE ELECTRICAL DIAGNOSTICS ND |