TACHOMETER DOES NOT OPERATE OR IS INACCURATE (CONT)

TM 9-2320-366-20-1

e14. TACHOMETER DOES NOT OPERATE OR IS INACCURATE (CONT)

CAUTION

Read CAUTION

KNOWN INFO

TEST OPTIONS

on following page.

Continuity Test or

Tachometer illuminates.

STE/ICE-R Test #91

VOLTS gage OK.

Is continuity present from

Engine speed sensor OK.

REASON FOR QUESTION

connector P901 pin 4 to

POSSIBLE PROBLEMS

This question eliminates

connector J31 pin 8?

possible problems and

Faulty dashboard cable

determines where

assembly.

troubleshooting continues.

Faulty auxiliary panel cable

assembly.

Faulty engine control cable

assembly.

YES

Go to step 8 of this task.

Repair wire 1444 from connector P31

socket 8 to connector P38 pin 1 (para

2-45) or replace engine control cable

assembly (para 7-80).

Change 1