Index Isuzu Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross - service repair manual 1999-2002 year
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6E–132 TROOPER 6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS mass air flow displayed on a Tech 2 to increase from If DTC P0102 cannot be duplicated, the information Test Description Number(s) below refer to the step number(s) on the 2. This step verifies that the problem is present at idle. 4. A voltage reading of less than 4 or over 5 volts at the MAF sensor signal circuit indicates a fault in the 5. This verifies that ignition feed voltage and a good ground are available at the MAF sensor. DTC P0102 – MAF Sensor Circuit Low 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. Start the engine. display on the Tech 2. Is the “MAF Frequency” below the specified value? 3-7 g/s Go to Step 3 Go to Step 5 3 1. Ignition “ON”, engine “OFF”. conditions as noted. 4. Using a Tech 2, monitor “DTC” info for DTC P0102. Does the Tech 2 indicate DTC P0102 failed this — Go to Step 4 Check the Procedure Refer to Diagnostic Aids 4 1. Ignition “OFF”. sensor signal circuit and battery ground. Is the voltage near the specified value? 11.5–12 V Go to Step 5 Go to Step 8 5 Connect a test light between the MAF sensor ignition Is the test light “ON”? — Go to Step 7 Go to Step 6 6 Connect a test light between the MAF sensor ignition Is the test light “ON”? — Go to Step 11 Go to Step 7 7 1. Check for a poor connection at the MAF sensor. terminal(s). Was a poor connection found? — Verify repair Go to Step 12 8 1. Ignition “OFF”. circuit. 4. Ignition “ON”, engine “OFF”. MAF signal terminal at the PCM and battery ground. Is the voltage under the specified value? 0 V Go to Step 9 Go to Step 10 |