G34821
ECM
#10
E23
E23
E23
E23
E23
E23
E23
E23
#20
#30
#40
PINJ1
PINJ2
PINJ3
PINJ4
I8
Injector No. 4
I7
Injector No. 3
I6
Injector No. 2
I5
Injector No. 1
R (*1, *2)
R--B (*3)
W
R (*1)
R--L (*2, *3)
L
W (*1)
L--R (*2)
R--L (*3)
B (*1, *2)
W (*3)
B--W (*1, *2)
Y (*1, *2)
R--B (*3)
*1: TMUK Made
*2: TMC Made
*3: TMMT Made
1
2
21
1
30
2
31
3
32
20
1
2
1
2
1
2
R--L (*3)
05--88
--
DIAGNOSTICS
ECD SYSTEM (1ND--TV)
COROLLA Supplement (RM1129E)
WIRING DIAGRAM
INSPECTION PROCEDURE
HINT:
Read freeze frame data using an intelligent tester ll. Freeze frame data record the engine condition when
malfunctions are detected. When troubleshooting, freeze frame data can help determine if the vehicle was
moving or stationary, if the engine was warmed up or not, and other data from the time the malfunction oc-
curred.
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TOYOTA COROLLA REPAIR MANUAL SUPP 1129E