Mitsubishi MOTORS CARISMA 1996, Service Bulletin

Page: 138 / 232

8
Terminal
No.
Check item Check condition (Engine condition) Normal condition
12
Power supply Ignition switch: ON System voltage
25 Power supply
13 Earth At all times 0 V
28 Earth
19 Air flow sensor reset signal Engine: Idling 0 - 0.1 V
Engine: 4,000 r/min 6 - 9 V
90 Air flow sensor Engine: Idling 2.2 - 3.2 V
Engine: 2,500 r/min
20 Injector driver control relay Ignition switch: OFF 0 - 0.1 V
Ignition switch: ON 0.5 - 1 V
21 Fan motor relay (LO) Radiator fan and condenser fan are not
operating (Engine coolant temperature is
90 °C or less)
System voltage
Radiator fan and condenser fan are
operating (Engine coolant temperature is
90 - 105 °C)
0 - 3 V
22 Fuel pump relay Ignition switch: ON Engine: Stopped
System voltage
Engine: Idling
0 - 1 V
39 EGR control servo (A)
40 EGR control servo (B)
31 EGR control servo (C)
32 EGR control servo (D)
Engine: Immediately after the warm engine
has been started
System voltage
↔
0 - 0.5 V
(changes repeatedly)
33 Alternator G terminal Engine: Idling after having warmed up
Radiator fan: Not operating
Headlamp: OFF
→
ON
Stop lamp: OFF
→
ON
Rear defogger switch: OFF
→
ON
4.5 - 5.5 V
→
6.5 - 7.5 V
41
Alternator FR terminal Engine: Idling after having warmed up
Radiator fan: Not operating
Headlamp: OFF
→
ON
Stop lamp: OFF
→
ON
Rear defogger switch: OFF
→
ON
2.0 - 3.0 V
→
1.0 - 2.0 V
35
Stop lamp switch Brake pedal: Depressed System voltage
Brake pedal: Released 0 - 0.1 V
13J-68
GDI -Troubleshooting
Voltage decreases
<Incorrect>
<Correct>
Voltage increases by 0.2 - 3.5 V
<Correct>
<Incorrect>
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