Page text (OCR transcript)
ENGINE – 2JZ–GE ENGINE TROUBLESHOOTING
EG–421
WIRING DIAGRAM
Engine Control Module
B+
B-R
3
EA3
B-R
GR
24
GR
GR
M-REL
E10
EA1
8
48
B-R
W
W
W
OX1
2
E9
2
E1
R/B
No.2
Main Heated
Oxygen Sensor
(Fr)
(for California)
Oxygen Sensor (Fr)
(Except California)
5
EI Main Relay
3
2
73
HT1
2
2
B-L
E9
E01
3
BR
W
47
OX2
B-Y
R-L
R-L
R-L
E9
2
R/B
No.2
E1
2
EFI No.1
Main Heated
Oxygen Sensor (Rr)
(for California)
Oxygen
Sensor
(Rr)
(Except California)
LG
ENG
7
1
2A
Data Link
Connector 2
R-L
LI1
13
W-B
B
72
B-Y
HT2
E9
BR
4
15
G
LG
LG
5 V
29
VF1
Battery
Ox1 Ox2
VF1 13
5 V
E9
5 V
E01
28
VF2
VF2
14
L-O
E9
BR
Data Link Connector 1
FI6939
INSPECTION PROCEDURE (Except California specification vehicles)
HINT: If diagnostic trouble code "21" is output, replace oxygen sensor (Fr).
If diagnostic trouble code "28" is output, replace oxygen sensor (Rr).
1 Are there any other codes (besides code 21 or 28) being output?
NO YES Go to relevant diagnostic trouble code chart.
Replace oxygen sensor.