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6E–400 6VE1 3.5 ENGINE DRIVEABILITY AND EMISSIONS DTC P1290 - ETC Forced Idle Mode
Step Action Value(s) Yes No 1 Was the “On - Board (OBD) System Check” — Go to Step 2 Go to OBD System Check 2 1. Check for a poor conection at the AP1,AP2,AP3 sensor harness conector. 2. If a problem found, repair as necessary. Was a problem found ? — Verify repair Go to Step 3 3 1. Check the curcuit between the PCM and each terminal of AP1,AP2 and AP3 sensor. 2. If the curcuit is open or shorted, repair it as necessary. Was the curcuit open or short? — Vefiry repair Go to Step 4 4 Replace the AP sensor. Is the action complate? — Go to Step 5 — 5 1. Warming up the engine until the ECT rise at 80 ° C 2. Ignition “OFF”. alowly opening the throttle. Does the AP angle increase steadily and evenly from Closed throttle APS1 = 11 ∼ 15% APS2 = 85 ∼ 89% APS3 = 85 ∼ 89% Wide open throttle APS1 = 85 ∼ 89 APS2 = 11 ∼ 15% APS3 = 32 ∼ 36% — Go to Step 6 6 Replace the PCM; The replacement PCM must be programmed. Refer to And also refer to latest Service Bulletin. Check to see And then Down Load the LATEST PROGRAMMED Is the action complate? — Verify repair — |