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6E2–114 6VD1 3.2L ENGINE DRIVEABILITY AND EMISSIONS DTC P0112 – IAT Sensor Circuit 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 1. Ignition “ON,” engine “OFF.” (IAT). Is the intake air temperature greater than the specified 148 ° C (283 ° F) Go to Step 4 Go to Step 3 3 1. Ignition “ON,” engine “OFF.” Review and record Tech 2 Failure Records data. 2. Operate the vehicle within Failure Records conditions as noted. 3. Using a Tech 2, monitor the “DTC” info for DTC P0112. Does the Tech 2 indicate DTC P0112 failed this — Refer to Test Description Refer to Diagnostic Aids 4 1. Ignition “OFF.” Is the intake air temperature below the specified value? –38 ° C (–36 ° F) Go to Step 6 Go to Step 5 5 1. Ignition “OFF.” ground. Is the IAT sensor signal circuit shorted to ground? — Verify repair Go to Step 7 6 Replace the IAT sensor. Is the action complete? — Verify repair — 7 Replace the PCM. Is the action complete? — Verify repair — |