Toyota 2VZ-FE Manual page 254

Symbol Terminal Name
E01 POWER GROUND
E02 POWER GROUND
No. 10 INJECTOR (No. 1 and 6)
No. 30 INJECTOR (No. 4 and 5)
No. 20 INJECTOR (No. 2 and 3)
E1 ECU GROUND
STJ COLD START INJECTOR
–
FPU FUEL PRESSURE VSV
ACT A/C AMPLIFIER
HT OXYGEN SENSOR HEATER
–
ISC1 ISC MOTOR NO. 1 COIL
IGT IGNITER
ISC2 ISC MOTOR NO. 2 COIL
1
* S1 ECT SOLENOID
ISC3 ISC MOTOR NO. 3 COIL
1
* S2 ECT SOLENOID
ISC4 ISC MOTOR NO. 4 COIL
1
* SL ECT SOLENOID
IGF IGNITER
–
ECU Terminals
ENGINE TROUBLESHOOTING
TERMINALS OF ECU
When measuring the voltage or resistance of the connector
part of the ECU, remove the locks as required in the following
procedure and always insert the test probe into the connector
from the wire harness side.
PREPARATION
(a) Turn the ignition switch to LOCK position.
(b) Disconnect the connectors form the ECU.
(c) To remove section "A" and "B", carefully pull outward the
NOTICE: Pay attention to section "C" in the illustration
which can be easily broken.
(d) Reconnect the connectors to the ECU.
TERMINALS OF ECU
Symbol
G2 DISTRIBUTOR
G1 DISTRIBUTOR
NE DISTRIBUTOR
G (–) DISTRIBUTOR
VF CHECK CONNECTOR
T2 CHECK CONNECTOR
1
* PWR PATTERN SELECT SWITCH
T1 CHECK CONNECTOR
OX1 OXYGEN SENSOR
KNK KNOCK CONTROL SENSOR
2
* OX2 SUB–OXYGEN SENSOR
*1BK BRAKE SWITCH
THW WATER TEMP. SENSOR
IDL THROTTLE POSITION SENSOR
THA AIR TEMP. SENSOR
VTA THROTTLE POSITION SENSOR
VS AIR FLOW METER
2
* THG EGR GAS TEMP. SENSOR
AIR FLOW METER
VC
THROTTLE POSITION SENSOR
E2 SENSOR GROUND
STA STARTER SWITCH
1
* NSW NEUTRAL START SWITCH
– Terminals of ECU
lock on both sides as shown in the illustration.
Terminal Name Symbol
1
*
1
*
*
*
2
*
M–REL
IG SW
BATT
Terminal Name
A/C A/C COMPRESSOR
OD1 CRUISE CONTROL ECU
SP1 No. 1 SPEED SENSOR (Meter side)
OD2 OD main switch
1
SP2 No. 2 speed sensor (a/t SIDE)
–
1
DG CHECK CONNECTOR
–
CHK SUB–OXYGEN SENSOR
–
W CHECK ENGINE WARNING LIGHT
1
* N SHIFT POSITION SWITCH
EFI MAIN RELAY (COIL)
1
* 2 SHIFT POSITION SWITCH
–
1
* L SHIFT POSITION SWITCH
IGNITION SWITCH
B1 EFI MAIN RELAY
BATTERY
B EFI MAIN RELAY
1
* 2/ECT 2/ECT
2
* CALIF. only
TR–17