A02468
Engine ECU
+B
9
E5
R--L
IJ1
R--L
2
2
2
2
EFI Main Relay
3
1
5
2
Y
W--B
Junction
Connector
W--B
B--R
ED
EB
8 1J
6
10A
IGN
J14
J13
C
A
Junc
tion
C
onnec
to
r
IC6
9
B--R
B--R
From Injector
2
2
1
2
15A
EFI
Y
Battery
E4 E1
24
1H
W
B--W
B--R
Engine Room J/B
Drive
Side J/B
E
ngine
Room
J/B
J1
22
--
DIAGNOSTICS
ENGINE (1RZ--E)
DI--49
ECU Power Source Circuit
CIRCUIT DESCRIPTION
When the ignition switch is turned ON, battery positive voltage is applied to the coil, closing the contacts of
the EFI main relay and supplying power to the teB of the ECU.
WIRING DIAGRAM
DI1HY--01
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Pages From Supplement
3RZ-F,3RZ-FE