Mitsubishi 3000GT Service Manual page 388

Muffler mode change- Ignition
34
over switch
models>
61
models>
52 Ignition timing adjust- Ignition
ment terminal
36 Check engine/malfunc-
tion indicator lamp
6 EGR solenoid
73 EGR temperature sen- Ignition
models>
Oxygen sensor heater
models>
34, 35, 42,
43
models>
MULTIPORT On-Vehicle Inspection of MFI
FUEL INJECTION - Components
Engine: 4,500 rpm
Changeover switch set to ON
switch: (TOUR)
ON
Changeover switch set to B+
OFF (SPORT)
Ignition timing adjustment O-l V
switch:
terminal connected to ground
ON
Ignition timing adjustment 4.0-5.5 V
terminal disconnected from
ground
Ignition switch: OFF -+ ON
Ignition switch: ON
Engine: Idle
Suddenly depress the accelerator pedal
When sensor temperature is
switch: 50°C (122°F)
ON
When sensor temperature is
100°C (212°F)
Engine: Idle, warm
Engine: 5,000 rpm
O-3 V Turbo
9-13 v
(Several se-
conds later)
<up to
1995:
California
Non
Turbo,
Falls
Turbo>
rarily from B+.
1996: All
models>
3.6-4.4 V
nia, Fed-
.
2.2-3.0 V
Turbo
o-3 v to
1995:
California
Non
Turbo>
<From
1996: All
models>