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6E–136 6VE1 3.5 ENGINE DRIVEABILITY AND EMISSIONS D Damaged harness – Inspect the wiring harness for If DTC P0106 cannot be duplicated, the information determining vehicle mileage since the DTC was last set. DTC P0106 – MAP System Performance
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 P0106. Does the Tech 2 indicate DTC P0106 failed? — Go to Step 4 Go to Step 3 3 1. Check for the following conditions: D Vacuum hoses disconnected, damaged, or D Intake manifold vacuum leaks D Vacuum leaks at throttle body D Vacuum leaks at EGR valve flange and pipes D Crankcase ventilation valve faulty, missing or 2. If a problem is found, repair as necessary. Was a problem found? — Verify repair Check the Procedure Refer to Diagnostic Aids 4 1. Disconnect the MAP sensor electrical connector. Is the MAP value near the specified value? 11 kPa Go to Step 5 Go to Step 13 5 1. Connect a test light between B+ and the MAP sensor signal circuit at the MAP sensor harness 2. Observe the MAP value displayed on the Tech 2. Is the MAP value near the specified value? 100 kPa Go to Step 6 Go to Step 9 6 1. Jumper the 5 volt reference circuit and the MAP signal circuit together at the MAP sensor harness 2. Observe the MAP value displayed on the Tech 2. Is the MAP value near the specified value? 100 kPa Go to Step 7 Go to Step 8 7 1. Ignition “OFF”. circuit for high resistance, an open between the 3. If a problem is found, repair as necessary. Was a problem found? — Verify repair Go to Step 11 |