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6E–375 6VD1 3.2L ENGINE DRIVEABILITY AND EMISSIONS If it is determing that the DTC occurs intermittently, DTC P1523 - Actuator Control Return Performance
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 Was the “Electric Throttle Control (ETC) System — Go to Step 3 Go to ETC System Check 3 Observe the TP angle reading on the Tech 2 while Does the TP angle increase steadily and evenly from Closed throttle TP sensor 1 =8 ∼ 10 % TP sensor 2 =90 ∼ 92 % Wide open throttle TP sensor 1 =90 ∼ 92 % TP sensor 2 =8 ∼ 10 % Go to Step 7 Go to Step 4 4 1. Ignition “OFF”. Is the DC motor reading near the specified value? 0.3 ∼ 100 W Go to Step 5 Go to Step 6 5 Check the DC motor harness between the PCM and Was a problem found? — Verify repair Go to Step 7 6 Replace the DC motor. Is the action complete? — Verify repair Go to Step 5 7 1. Disconnect the TP sensor. Is the TP sensor reading near the specified value? 0V Go to Step 8 Go to Step 9 8 1. Connect a test light between the 5 Volt reference circuit and the TP1 and TP2 sensor signal circuit at 2. Observe the TP sensor reading on the Tech 2. Is the TP sensor reading near the specified value? 5V Go to Step 11 Go to Step 10 9 Check the following items; 1. TP1 and TP2 signal circuit for a short to voltage. resistance between the PCM and the TP sensor. 3. TP1and TP2 sensor ground circuit for a poor connection. 4. If a problem is found, repair wiring harness as necessary. Was a problem found? — Verify repair Go to Step 12 |