Mfi System Check Procedure (4Wd M/T); Terminals Of Ecm Kwd M/T - Toyota 22R-E Service Manual

Symbol
ENGINE GROUND
ENGINE GROUND
INJECTOR
INJECTOR
COLD START INJECTOR
ENGINE GROUND
FUEL PRESSURE CONTROL VSV
EGR VSV
PAIR VSV
IGNITER
DISTRIBUTOR
IGNITER
STARTER SWITCH
PNP SWITCH
OXYGEN SENSOR HEATER (MAIN)
OXYGEN SENSOR HEATER (SUB)
DLC 1
SENSOR GROUND
D LC 1
D LC 1
* : California only
ECM Terminals
ENGINE
MFI SYSTEM CHECK PROCEDURE (4WD
M/T)
HINT:
Perform all voltage measurements with the connec–
tors connected.
Verify that the battery voltage is 11 V or more when
the ignition switch is in "ON" position.
Using a voltmeter with high impedance (10 kW/V
minimum), measure the voltage at each terminal of
the wiring connector.

Terminals of ECM KWD M/T)

Terminal Name
– MFI SYSTEM
Symbol
OXYGEN SENSOR (MAIN)
KNOCK SENSOR
OXYGEN SENSOR (SUB)
EGR GAS TEMP. SENSOR
ENGINE COOLANT TEMP. SENSOR
THROTTLE POSITION SENSOR
VOLUME AIR FLOW METER
THROTTLE POSITION SENSOR
VOLUME AIR FLOW METER
–THROTTLE POSITION SENSOR
INTAKE AIR TEMP. SENSOR
SENSOR GROUND
4WD SWITCH
STOP LIGHT SWITCH
SPEED SENSOR
BATTERY POSITIVE VOLTAGE
MALFUNCTION INDICATOR LAMP
MAIN RELAY
MAIN RELAY
EG1–141
Terminal Name