ENGINE <NON-TURBO>
-
Control System
SYSTEM BLOCK DIAGRAM
N71AKOOAB
Sensors
MAP Sensor
Engine coolant temperature sensor
Power-train control module (PCM)
Actuators
-b
Fuel injection control
b
No. 1 injector
---b
No. 2 injector
b
b
No. 3 injector
-b
b
No. 4 injector
Throttle position sensor
-
Idle air control
Idle air control motor
(stepper motor)
Crankshaft position sensor
+
Ignition timing control
-.
Ignition coil
MFI relay control (Power supply)
MFI relay (ASD relay)
I
Fuel pump control
,-b
Fuel pump relay
I
I
Air conditioning compressor
clutch relay control
l-4
Air conditioning compressor
clutch relay
I
Fan relay control
Radiator fan motor relay and air
I
Generator generating voltage
control
Generator
Power steering pressure switch
Park/Neutral position switch
<A/T>
Ignition
switch-IG
(J2 SENSE)
b
Tachometer control
---b
Charging system indicator lamp
control
Tachometer
Charging system indicator lamp
Check engine/malfunction
,
indicator lamp control
Knock sensor
-b
Control of indicator/warning
lamps in the instrument panel
Break switch
+
Diagnostic output
Power supply
+
RAM data transmission
MFI relay operating voltage
(ASD SENSE)
I
EGR control
b
Indicator/warning lamps in the
E
Diagnostic output terminal
i
Diagnostic output terminal (MUT)
I
I
I-I
EVAP
purge solenoid
I
I--+
(
EGR solenoid
I
1
’
Pulsed secondary air injection
control
i I
.-b
Pulsed secondary air injection
4
t/
Battery temperature sensor
1
1
solenoid
’