GENERAL DESCRIPTION
TSB Revision
MULTIPORT FUEL INJECTION (MFI)
13A-3
MULTIPORT FUEL INJECTION (MFI) SYSTEM DIAGRAM
NOTE: For the vacuum routing, refer to GROUP 17,
Emission Control System
−
Vacuum Hoses
−
Vac-
uum Hose Routing
P.17-61
.
AK303011
1 LEFT BANK HEATED OXYGEN SENSOR (FRONT)
2 VOLUME AIRFLOW SENSOR
3 INTAKE AIR TEMPERATURE SENSOR
4 THROTTLE POSITION SENSOR (MAIN/SUB)
5 CAMSHAFT POSITION SENSOR
6 CRANKSHAFT POSITION SENSOR
7 BAROMETRIC PRESSURE SENSOR
8 ENGINE COOLANT TEMPERATURE SENSOR
9 LEFT BANK HEATED OXYGEN SENSOR (REAR)
10 RIGHT BANK HEATED OXYGEN SENSOR (FRONT)
11 RIGHT BANK HEATED OXYGEN SENSOR (REAR)
12 FUEL TANK DIFFERENTIAL PRESSURE SENSOR
13 MANIFOLD ABSOLUTE PRESSURE SENSOR
14 FUEL TANK TEMPERATURE SENSOR
15 FUEL LEVEL SENSOR
POWER SUPPLY
ACCELERATOR PEDAL POSITION SENSOR
(MAIN/SUB)
ACCELERATOR PEDAL POSITION SWITCH
VEHICLE SPEED SENSOR
A/C SWITCH 1, 2
TRANSMISSION RANGE SWITCH
POWER STEERING PRESSURE SWITCH
IGNITION SWITCH - ST
KNOCK SENSOR
1 INJECTOR
2 EVAPORATIVE EMISSION
PURGE SOLENOID
3 THROTTLE ACTUATOR CONTROL
MOTOR
4 EVAPORATIVE EMISSION
VENTILATION SOLENOID
5 EGR VALVE (STEPPER MOTOR)
6 INTAKE MANIFOLD TUNING
SOLENOID
FUEL PUMP RELAY
MULTIPORT FUEL INJECTION
(MFI) RELAY
THROTTLE ACTUATOR CONTROL
MOTOR RELAY
A/C COMPRESSER CLUTCH RELAY
MALFUNCTION INDICATOR LAMP
(SERVICE ENGINE SOON OR
CHECK ENGINE LAMP)
DIAGNOSTIC OUTPUT
IGNITION COIL, IGNITION POWER
TRANSISTER
PCM
SENSE
DECIDE
ACT
1 LEFT BANK HEATED
OXYGEN SENSOR
(FRONT)
6 CRANKSHAFT POSITION SENSOR
11 RIGHT BANK
HEATED OXYGEN
SENSOR (REAR)
9 LEFT BANK HEATED
OXYGEN SENSOR (REAR)
5 CAMSHAFT POSITION
SENSOR
1 INJECTOR
M*
M*
6 INTAKE MANIFOLD
TUNING SOLENOID
VACUUM TANK
3 THROTTLE
ACTUATOR
CONTROL
MOTOR
2 EVAPORATIVE EMISSION
PURGE SOLENOID
5 EGR VALVE
(STEPPER
MOTOR)
4
EVAPORATIVE
EMISSION
CANISTER
FUEL
TANK
FROM
FUEL
PUMP
8
2, 7
VOLUME AIRFLOW SENSOR
(WITH BAROMETRIC
PRESSURE SENSOR)
3 INTAKE AIR
TEMPERATURE SENSOR
AIR
INLET
12 FUEL TANK
DIFFERENTIAL
PRESSURE
SENSOR
14 FUEL TANK
TEMPERATURE
SENSOR
15 FUEL
LEVEL
SENSOR
4 THROTTLE POSITION SENSOR
(MAIN/SUB)
TO
FUEL
TANK
FUEL
PRESSURE
REGULATOR
13 MANIFOLD
ABSOLUTE
PRESSURE
SENSOR
ENGINE
COOLANT
TEMPERATURE
SENSOR
10 RIGHT BANK
HEATED
OXYGEN
SENSOR
(FRONT)
NOTE
*: Manifold port
EVAPORATIVE EMISSION
VENTILATION SOLENOID
EVAPORATIVE EMISSION
VENTILATION VALVE