Mitsubishi 1989-1993 GALANT Service Manual page 480

AUTO-CRUISE CONTROL SYSTEM - Troubleshooting
13-338
Trouble symptom
Malfunction of control function by
ON/OFF switching of ELC 4 A/T
accelerator switch
(Non-operation of torque converter
clutch, 2nd gear hold, etc.)
Overdrive is not canceled during
fixed speed driving. <A/T>
No shift to overdrive during man-
Probable cause
Malfunction of circuit
related to accelerator
switch OFF function
Malfunction of the
ECU
Malfunction of circuit
related to overdrive
function of ECU
.
TSB Revision
Check chart No. Remedy
Repair the harness or
No. 7
replace the part.
Repair the harness or
No. 8
replace the part.