1994 PCED OBDI-A
SECTION 6A: EEC-IV Pinpoint Test
Procedures

DS: Programmable Speedometer/Odometer Module (PSOM)
Introduction
  DS: Pinpoint Tests  

Note

You should enter this Pinpoint Test only when you have been directed here from Diagnostic Routines, Section 2A.

Remember

To prevent the replacement of good components, the following non-EEC areas may be at fault:

This Pinpoint Test is intended to diagnose the following

Description

The Programmable Speedometer/Odometer Module (PSOM) receives input from the Rear Anti-Lock Brake Sensor (RABS) mounted on the rear axle differential. The PSOM sends this input signal information to the Speed Control module and the Powertrain Control Module (PCM).





Pinpoint Test Schematic





 

 

  DS: Pinpoint Tests