FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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TA - Testing Notes

NOTE: You should enter this Pinpoint Test only when you have been directed here from Diagnostic Routines.

REMEMBER: This Pinpoint Test is intended to diagnose only the following:

- Clutch Pedal Position switch (11A152)

- Park/Neutral Position switch (7A247)

- Powertrain Control Module (PCM) (12A650)

- Harness circuits: CPP, PNP and SIG RTN

Description
The Neutral Drive Input gives an indication of the transmission load to the Powertrain Control Module (PCM). This information is required for adjusting fuel/air ratio and idle speed. If the Park/Neutral Position (PNP) switch or Clutch Pedal Position (CPP) switch is Closed, the circuit from test pin 30 will be grounded.