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6E–134 6VE1 3.5 ENGINE DRIVEABILITY AND EMISSIONS DTC P0103 – MAF Sensor Circuit High Frequency
Step Action Value(s) Yes No 1 Was the “On-Board Diagnostic (OBD) System Check” — Go to Step 2 Go to OBD System Check 2 1. Ignition “ON”, engine “OFF”. conditions as noted. 4. Using a Tech 2, monitor “DTC” info for DTC P0103. Does the Tech 2 indicate DTC P0103 failed this — Go to Step 3 Check the Procedure Refer to Diagnostic Aids 3 1. Start the engine. display on the Tech 2. Is “MAF Frequency” above the specified value? 3–7g/s Go to Step 4 Go to Step 7 4 1. Ignition “OFF”. Does the Tech 2 indicate a “MAF Frequency” at the 0g/s Go to Step 5 Go to Step 6 5 Replace the MAF sensor. Is the action complete? — Verify repair Go to Step 7 6 1. Check the MAF harness for incorrect routing near high voltage components (solenoids, relays, 2. If incorrect routing is found, correct the harness routing. Was a problem found? — Verify repair Go to Step 7 7 Replace the PCM. IMPORTANT: The replacement PCM must be On-Vehicle Service in Powertrain Control Module and Sensors for And also refer to latest Service Bulletin. Check to see if the Latest software is released or not. Is the action complete? — Verify repair — |