MPI <6A1> -
Troubleshooting
13A-186
Terminal
No.
Normal conditionCheck condition (Engine condition)Check item
19 Air flow sensor reset signal Engine: Idle speed 0-1V
Engine r/min: 3,000 r/min 6-9V
18 Fan controller When the radiator fan and
condenser fan are not operating
0 - 0.3 V
When the radiator fan and
condenser fan are operating
0.7 V or more
20 A/C relay
D
Engine: Idle speed
D
A/C switch: OFF ® ON
(A/C compressor is operating)
System voltage or
momentarily 6 V or
more ® 0-3V
21 Fuel pump relay Ignition switch: ON System voltage
Engine: Idle speed 0-3V
16 Purge control solenoid valve Ignition switch: ON System voltage
Running at 3,000 r/min while
engine is warming up after having
been started.
0-3V
22 Engine warning lamp Ignition switch: OFF ® ON 0-3V® 9 - 13 V
(After several
seconds have
elapsed)
30 Vacuum control solenoid valve
<Vehicles with TCL>
Ignition switch: ON System voltage
31 Ventilation control solenoid valve
<Vehicles with TCL>
Ignition switch: ON System voltage
54 Power steering fluid pressure switch Engine: Idling
after warming
up
When steering
wheel is station-
ary
System voltage
When steering
wheel is turned
0-3V
57 Control relay Ignition switch: OFF System voltage
(Power supply)
Ignition switch: ON 0-3V
83 A/C switch 1 Engine: Idle
speed
Turn the A/C
switch OFF
0-3V
Turn the A/C
switch ON (A/C
compressor is
operating)
System voltage