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P2097-DOWNSTREAM FUEL TRIM SYSTEM 1 RICH (CONTINUED) 6. (K299) O2 SENSOR 1/2 HEATER CONTROL CIRCUIT OPEN Turn the ignition off. Disconnect the C3 PCM harness connector. Measure the resistance of the (K299) O2 Sensor 1/2 Heater Control Is the resistance below 5.0 ohms? Yes >> Go To 7 No >> Repair the open in the (K299) O2 Sensor 1/2 Heater Con- trol circuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer 9 - 868 ENGINE ELECTRICAL DIAGNOSTICS WK |