Mitsubishi MOTORS CARISMA 1996, Service Bulletin

Page: 78 / 232

9
CHECK AT THE ECU TERMINALS
Terminal
No. Check item Check conditions Normal condition
1 Throttle
position sen-
sor input
When accelerator pedal is fully depressed
when accelerator pedal is released
4.5-5.5V
0.3-1.0V
2 Idle switch
output When accelerator pedal is
depressed
When accelerator pedal is not
depressed
When idle switch is OFF
When idle switch is ON
4.5-5.5V
0V
3
Acc power
supply
When ignition switch is in ACC position System voltage
4
Stop lamp
switch input
When brake pedal is
depressed
When brake pedal is not
depressed
When stop lamp switch is ON
When stop lamp switch is OFF
System voltage
0V
5
diagnosis
control input
When ignition switch is ON 4V or more
6
ECU backup
power supply
At any time System voltage
7
8
7
8
Motor-driven
vacuum pump
release valve
and control
valve input
When decelerating with the
SET switch while driving at
constant speed
When cancelling constant
speed driving with the
CANCEL switch
Release valve closed
Control valve open
Release valve open
Control valve open
0V
System voltage
System voltage
System voltage
9 Earth At any time Continuity
10
A/T control
output
No OD-OFF request
OD-OFF request
System voltage
0V
ENGINE AND EMISSION CONTROL - Auto-cruise Control System
17-21
<Deleted>
03U0031
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