Checking The Control Unit Power Supply Circuit - Mitsubishi 1989-1993 GALANT Service Manual

AUTO-CRUISE CONTROL SYSTEM - Troubleshooting
CHECK CHART

1. CHECKING THE CONTROL UNIT POWER SUPPLY CIRCUIT

Description of operation
When the "MAIN" switch (of the cruise-control's
switches) is switched ON while the ignition switch
is ON, current flows to the ignition switch (IGl), to
Troubleshooting hint
ECU terminal voltage
Terminal
No.
Control unit power sup-
7
Control unit ground
Ignition
switch
fuse no. (9) of the junction block, and to the cruise-
control switch, the control unit, and to ground.
Conditions
When the cruise-control switch (main switch)
is switched ON
At all times
TSB Revision
Terminal voltage
o v