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6E–338 6VE1 3.5 ENGINE DRIVEABILITY AND EMISSIONS D Damaged harness – Inspect the wiring harness for Reviewing the Failure Records vehicle mileage since the DTC P1107 – MAP Sensor Circuit Intermittent Low Voltage
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 Is DTC P0108 also set? — Go to DTC P0108 chart first Go to Step 3 3 Are DTC P1111, P1115, and/or P1120 also set? — Go to Step 6 Go to Step 4 4 Check for a poor sensor ground circuit terminal Was a problem found? — Go to Step 9 Go to Step 5 5 Check the MAP signal circuit between the MAP sensor Was a problem found? — Go to Step 10 Go to Step 8 6 Check for an intermittent short to voltage on the 5 volt D MAP sensor D EGR valve D TP sensor Was a problem found? — Go to Step 10 Go to Step 7 7 Check for a poor sensor ground circuit terminal Was a problem found? — Go to Step 9 Go to Step 8 8 Check for an intermittent open or a faulty splice in the Was a problem found? — Go to Step 10 Check the Procedure Refer to Diagnostic Aids 9 Replace the faulty harness connector terminal for the Is the action complete? — Verify repair — 10 Locate and repair the intermittent open/short circuit in Is the action complete? — Verify repair — |