Mitsubishi LANCER EVOLUTION-IV 1998, Руководство по ремонту, Страница: 246 / 526

MPI –
Troubleshooting
13-23
Terminal
No. Normal condition Check condition (Engine condition) Check item
21 Fan motor relay (LOW) Fan not operating (coolant temperature: 90
_
C or
below)
Battery voltage
Fan at low speed (coolant temperature: 90 – 100
_
C) 0 – 3 V
22 A/C relay
D
Engine: Idling
D
A/C switch: OFF to ON (Compressor is being
driven.)
Battery voltage, or 6 V
or more instanta-
neously to 0 – 3 V
33 Alternator G terminal
D
Engine: Warm, idle (radiator fan: OFF)
D
Headlamp: OFF to ON
D
Brake lamp: OFF to ON
D
Rear defogger switch: OFF to ON
Voltage rises by 0.2 –
3.5 V.
36 Engine warning lamp Ignition switch: OFF
→
ON 0 – 3 V
→
Battery
voltage (After several
seconds have
elapsed)
37 Power steering fluid
pressure switch Engine: Idling after
warming up When steering wheel is
stationary Battery voltage
When steering wheel is
turned 0 – 3 V
38 Control relay Ignition switch: OFF Battery voltage
Ignition switch: ON 0 – 3 V
39 Fuel pump relay No.2 While engine is idling, suddenly depress the
accelerator pedal. Momentarily rises
slightly from 0 to 3 V.
40 Exhaust temperature
warning lamp Ignition switch: OFF to ON 0 – 3 V to battery
voltage (After several
seconds have
elapsed)
41 Alternator FR terminal
D
Engine: Warm, idle (radiator fan: OFF)
D
Headlamp: OFF to ON
D
Brake lamp: OFF to ON
D
Rear defogger switch: OFF to ON
Voltage drops by 0.2 –
3.5 V.
45 A/C switch Engine: Idle speed Turn the A/C switch OFF 0 – 3 V
Turn the A/C switch ON
(A/C compressor is oper-
ating) Battery voltage
60 Oxygen sensor heater
(Evolution V only) Engine: Idling 0 – 3 V
(Evolution-V only)
Engine speed: 5,000 r/min Battery voltage
71 Ignition switch-ST Engine: Cranking 8 V or more