TOYOTA PREVIA 91-97 REPAIR MANUAL

(Tam Dominh) #1
4-30 DRIVEABILITY AND EMISSIONS CONTROLS

COMPONENT LOCATIONS

Main Oxygen Sensor
/ Sub-Oxygen Sensor

Circuit Opening Relay

EFI Main Relay

Water Temp. Sensor

EGR Gas Temp. Sensor
(California Only)
VSV
(for Fuel Pressure
Start Injector Tim^l Switch Control)

Fig. 93 View of the electronic engine control sensors, relay i; and switches—1991-93 models

lUFiidiiuri ivreier _
t Ifunction indicator Lamp) St°p Light Sw'tc1i

Engine Oil Motor Relay
\t Opening Relay
^ Ignition Swilc
\3

A/C Magnetic Clutch Relay

A/C Amplifre

Supercharger
Magnetic Clulch Relay

Fuel Pump Relay
Engine Oil Motor
A/C Magnetic Clutch

A/C Pressure Switch
Air Control Valv>
Supercharger Bypass Valve
Supercharger Magnetic Clutch
/
Power Steering Pressure Switch

for EVAP
\ EngineVSV for EGR Oil Level Sensor

Knock Sensor 1
Crankshaft Position Sensor
Stop Light Switch
Intake Air Temp. Sensor
Mass Air Flow Meter
j VSV for A/C Idle-Up
Thro|tlle Position Sensor
ve

EGR Gas Temp. Sensor

shaft Position Sensor)
ECM

Fig. 94 View of the electronic engine control sensors, vatve and switches—1994-97 models
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