Page text (OCR transcript)
EG–527
ENGINE – 2JZ–GTE ENGINE TROUBLESHOOTING
WIRING DIAGRAM
Engine Control Module
B+
E10 M-REL
B-R
GR
GR EA1
GR
24
E10
4B
E9 OX1
R/B No.2
EF1 Main Relay
B-R
B-R 5 B-R
EA3
W
Main Heated
Oxygen Sensor
2
3
1
4
E1
71
E9 HT1
EO1
B-L
R-L
47
E9 OX2
EO1
R/B No.2
EFI No.1
B-R
R-L 9 R-L 14
IC1 IC K IJ2
W
Data Link
Connector 2
ENG LG
7
E1
2
EA2
2O J1
B-R
Sub Heated
Oxygen
Sensor
4 IC1
B
2
3
13 J1
72
E9 HT2
5V
EO1
4 BR-W 12 BR-W 5
IC1 K IC K IJ2
BR-W
LG
29
E9 VF1
EO1
BR
BR
BR 8 BR 18 BR
IC1 K IC K IJ1
4 15
OX1 OX2
VF1
13
LG LG
E1
Data Link
Connector 1
B
W-B
Battery
FI6918
INSPECTION PROCEDURE
1
Check voltage between terminals HT1 of engine control module
connector and body ground.
ON
SST
ECM
(B) 71
HT1
BE6853
FI6945
P Connect SST (check harness "A").
(See page EG–510)
SST 09990–01000
C Measure voltage between terminals HT1 of engine
control module connector and body ground.
OK Voltage: 9 — 14 V
NG
OK Go to step 3 .
