Toyota 22R-E - MFI System Check Procedure; Engine Control Module (ECM) Terminals

MFI SYSTEM CHECK PROCEDURE
HINT:
• Perform all voltage measurements with the con–
nectors 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 (110 k/V
minimum), measure the voltage at each terminal of
the wiring connectors.
*1: A/T only *2: 4WD A/T only *3: California only *3: California and C & C
Engine Control Module (ECM) Terminals
*4: 4WD only *5: California 2WD only
MALFUNCTION INDICATOR LAMP
A/T OIL TEMP. WARNING LIGHT
ENGINE COOLANT TEMP. SENSOR
PARK/NEUTRAL POSITION SWITCH
PARK/NEUTRAL POSITION SWITCH
PARK/NEUTRAL POSITION SWITCH
THROTTLE POSITION SENSOR
TRANSFER POSITION SWITCH
THROTTLE POSITION SENSOR
VOLUME AIR FLOW METER
INTAKE AIR TEMP. SENSOR
VOLUME AIR FLOW METER
HEATED OXYGEN SENSOR
HEATED OXYGEN SENSOR
PATTERN SELECT SWITCH
T/F FLUID TEMP. SENSOR
4WD OIL TEMP. SENSOR
HEATED OXYGEN SENSOR
VEHICLE SPEED SENSOR
VEHICLE SPEED SENSOR
EGR GAS TEMP. SENSOR
COLD START INJECTOR
CRUISE CONTROL ECU
A/C MAGNET SWITCH
STOP LIGHT SWITCH
ENGINE GROUND
O/D MAIN SWITCH
SENSOR GROUND
STARTER SWITCH
ENGINE GROUND
SENSOR GROUND
ENGINE GROUND
EFI MAIN RELAY
EFI MAIN RELAY
KNOCK SENSOR
Terminal Name
TCM SOLENOID
Terminal Name
TCM SOLENOID
Terminal Name
A/C AMPLIFIER
TCM SOLENOID
TCM SOLENOID
VSV (for PAIR)
DISTRIBUTOR
VSV (for EG R)
VSV (for A/C)
DISTRIBUTOR
DISTRIBUTOR
DISTRIBUTOR
4WD SWITCH
BATTERY B+
INJECTOR
INJECTOR
Symbol
Symbol
IGNtTER
Symbol
IGNITER
DLC1
D LC1
D LC 1
DLC1
Engine Control Module (ECM) Terminals
VSV (for EG R)
–ENGINE MFI SYSTEM
EG2–184