|
|
6E–394 6VE1 3.5 ENGINE DRIVEABILITY AND EMISSIONS DTC P1275 – APS 1 Circuit Fault
Step Action Value(s) Yes No 1 Was the “On-Board (OBD) System Check” performed? — Go to Step 2 Go to OBD System Check 2 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% Wide open throttle APS1 = 85 ∼ 89% Go to Step 3 Go to Step 4 3 Was the DTC P1275 sotred? — Go to Step 8 Check the procedure. Refer to Diagnostic Aids 4 1. Connect a test light between the 5 Voltge supply circuit and the AP1 sensor signal circuit at the AP 2. Observe the AP sensor reading on the Tech 2. Is the AP sensor reading near the specified value? 5V Go to Step 5 Go to Step 6 5 Check the following items; 1. AP1 signal circuit for a short to voltage. between the PCM and the AP sensor. 3. AP1 sensor ground circuit for a poor connection. necessary. Was a problem found? — Verify repair Go to Step 6 6 Check the following items; 1. AP1 signal circuit or 5 volge supply circuit for a poor connection. 2. AP1 signal circuit or 5 volge supply circuit for high resistance between the PCM and the AP1 sensor. 3. If a problem is found, repair wiring harness as necessary. Was a problem found? — Verify repair Go to Step 7 7 Replace the AP sensor. Was a problem corrected? — Verify repair Go to Step 8 8 Replace the PCM. IMPORTANT: The replacement PCM must be ON-Vehicle Service in Power Control Module and Sensors for procedures. And also refer to latest Service Bulletin. Check to see if the latest software is released or not. And then Down Load the LATEST PROGRAMMED Is the action complete? — Verify repair — |