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6E–293 TROOPER 6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS Diagnostic Aids Check for the following conditions: D Poor connection at PCM – Inspect the harness D Damaged harness – Inspect the wiring harness for Tech 2 display related to DTC P0351 while moving the Reviewing the Failure Records vehicle mileage since the DTC P0351 – Ignition 1 Control Circuit
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. Use a Tech 2 to monitor the “DTC” information for DTC P0351 until the DTC P0351 test runs. 5. Note the test result. Does the Tech 2 indicate DTC P0351 failed this ignition — Go to Step 3 Go to Diagnostic Aids 3 Check for faulty connection at ignition coil. Was a problem found? — Verify repair Go to Step 4 4 Check for faulty connection at PCM connector. Was a problem found? — Verify repair Go to Step 5 5 1. Ignition “ON,” engine “OFF.” Sensing Module with a DVM. Is the voltage near the specified value? 25-55 mV Go to Step 6 Go to Step 9 6 1. Ignition “ON,” engine running. Sensing Module for the cylinder being tested. Is the voltage in the specified range, rapidly toggling 100-180 mV Go to Step 7 Go to Step 13 7 1. Ignition “OFF.” coil. 3. Check ignition control circuit 1 voltage at the ignition coil connector while cranking the engine. Does the voltage measure between the specified 200-1200 mV Go to Step 8 Go to Step 11 8 Replace the ignition coil. Is the action complete? — Verify repair — 9 1. Ignition “OFF.” Was a problem found? — Verify repair Go to Step 10 10 Check ignition control circuit 1 for short to voltage. Was a problem found? — Verify repair Go to Step 13 |