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TD - Testing Notes

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


Schematic:





DESCRIPTION
The Manual Lever Position (MLP) sensor is a ratiometric rotary switch mounted on the transmission range selector linkage. It indicates the position of the shift lever by way of a variable resistance.

REMEMBER:
This Pinpoint Test is intended to diagnose the Transmission Range sensor electrical system only. To prevent the replacement of good components, be aware that the following non-Electronic Engine Controls (EEC) areas may be at fault:

- Electrical
- Battery integrity, ignition switch, starter/relay, harness
- Add-on devices (back-up alarm)

- Transmission
- Shift linkage, Internal components

This Pinpoint Test is intended to diagnose only the following:

- Harness Circuits: SIG RTN, TR, TRR, TRL, TRD and TROD

- Powertrain Control Module (PCM)