DH21 - Check TP Sensor Movement During Dynamic Response Test
- Key "OFF".
- Disconnect Powertrain Control Module (PCM). Inspect for damaged or pushed out pins, corrosion, loose wires, etc. Service as necessary.
- Install breakout box and connect PCM to breakout box.
- Connect Digital Volt/Ohm Meter (DVOM) to test pin 47 and test pin 46 at the breakout box.
- Run Key On Engine Running (KOER) Self-Test with a proper Wide Open Throttle (WOT) during Dynamic Response portion of the test. Key ON Engine Running (KOER) Self-Test
- Does voltage increase to more than 3.5 volts during the Dynamic Response Test?
Yes -- Replace PCM. Remove breakout box. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)
No -- Verify TP sensor is properly installed to throttle body. If OK, replace TP sensor. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)