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_____________________________________________________ PCM/Tech 1 Scan Tool 53 ® 05745159 DTC P0221 - Accelerator Pedal Position (APP) Sensor 2 Circuit Performance Step Action Value(s) Yes No 1 Important: Before clearing DTC(s) use the scan tool “Capture Info” to record Freeze Frame and Failure Record for reference, as data will be lost Was the “On-Board Diagnostic (OBD) System Check” performed? — Go to Step 2. Go to OBD Sys- tem Check. 2 1. Ignition “ON”, engine “OFF”. Are APP at specified values? .45-.95v Go to Step 3. Go to Step 4. 3 DTC is intermittent. If no additional DTCs are stored, refer to “Diagnostic — Go to the applicable DTC table. Go to Diagnostic Aids. 4 1. Disconnect the APP sensor electrical connector. 3. With J–39200 connected to ground, probe APP sensor 5 volt reference circuits at APP harness terminals “G”, “D” and “E”. Is voltage at the specified value on all circuits? 4.75v Go to Step 5. Go to Step 6. 5 1. Ignition “ON”, engine “OFF”. the APP sensor harness terminals “A”, “B” and “J”. Is the test light “ON” (all circuits)? — Go to Step 9. Go to Step 8. 6 1. Ignition “OFF” short to ground. 3. If the 5 volt reference circuit is open or shorted to ground, repair it as necessary. Was the 5 volt reference circuit open or shorted to ground? — Go to Step 11. Go to Step 7. 7 Check the 5 volt reference circuit for a poor connection at the PCM and — Go to Step 11. Go to Step 10. 8 1. Ignition “OFF” PCM. 3. If problem is found, repair as necessary. Was APP sensor ground circuit open? — Go to Step 11. Go to Step 10. 9 Replace the APP module. Is Action complete? — Go to Step 11. — 10 Replace the faulty PCM. Notice: If the PCM is faulty, the new PCM must — Go to Step 10. — 11 1. Using the Scan Tool, select “DTC”, “Clear Info”. 3. Select “DTC”, “Specific”, then enter the DTC number which was set. 4. Operate vehicle within the conditions for setting this DTC as specified in the supporting text. Does the Scan Tool indicate that this diagnostic Ran and Passed? — Go to Step 12. Go to Step 2. 12 Using the Scan Tool, select “Capture Info”, “Review Info”. — Go to the applicable DTC table System OK |