Mitsubishi 3000GT Service Manual page 475

ENGINE AND EMISSION CONTROL
3 Inspection of indicator light circuit
DESCRIPTION OF OPERATION
1. Cruise control ON (ASC ON) indicator
light
Located in the combination meter, it lights as
soon as the main switch is set to ON.
TROUBLESHOOTING HINTS
ECU terminal voltage
Terminal Signal name
No.
23 Cruise control (CRUISE) indicator light
CRUISE
2. Cruise control (CRUISE) indicator light
During cruise control operation, transistor Trl
in the control unit is kept in the ON state to
keep the indicator light on.
When cruise control is active
When cruise control is inactive
Condition Terminal
voltage
o v
Battery positive
voltage