3D Park/Neutral Switch Input to ECM

1. Connect the diagnostic read-out tool.
2. Put the system in the Switch Test Mode.
3. Put gear selector in park, reverse, neutral, and drive and observe display reading.
4. If display changes as the gear selector is moved from park to reverse, from reverse to neutral, from neutral to drive, and back to park, proceed to Test 3, Step F.
NOTE: Insure that the engine controller 60-way is wired correctly.
5. If the display does not change when gear selector is moved, proceed to Test 3, Step E.