Mitsubishi 1989-1993 GALANT Service Manual page 752

5. Pulse generator
A or B (checking
by an oscillo-
scope)
Oscilloscope waveform
FWD /VT
Noise
171091
Noise
Noise
171092
AUTOMATIC TRANSAXLE - Troubleshootincl
Connect the pulse generator and
body harness, and connect an
oscilloscope. Check with the
chassis on a dynamo or with the
front wheels raised.
With the selector lever at the "L"
position and the engine running at
1,000 rpm, check the voltage
waveform between terminals 1
and 2.
With the selector lever at the "L"
position and the engine running at
1,000 rpm, check the voltage
waveform between terminals 3
and 4.
Normal
TSB Revision
incorrect installation of
the pulse generator, or
malfunction of the pulse
generator.
Correct the installation
condition, or replace the
pulse generator.
Replace the pulse
generator.
Incorrect installation of
the pulse generator, or
malfunction of the pulse
generator.
Correct the installation
condition, or replace the
pulse generator.
Replace the pulse
generator.