
EG–454
ENGINE – 2JZ–GE ENGINE TROUBLESHOOTING
CIRCUIT DESCRIPTION (Cont'd)
Malfunction: Open in EGR Gas Temp. Sensor Circuit
(Vehicle Speed)
88 ~ 96 km/h
(55 ~ 60 mph)
Detection
④
Idling
IG SW OFF
① ②
③
3 min.
4 min.
(Time)
FI6528
(1) Disconnect the EFI No.1 fuse (30A) for 10 sec. or more, with IG switch OFF. Initiate
test mode (Connect terminal TE2 and E1 of data link connector 2 with IG switch
OFF).
(2) Start engine and warm up.
(3) Idle the engine for 3 min.
(4) With the A/C ON and transmission in 5th position (A/T in 3rd speed) drive at 88 ~ 96
km/h (55 ~ 60 mph) for 4 min. or less.
HINT: If a malfunction exists, the malfunction indicator lamp will light up during step (4).
NOTICE: If the conditions in this test are not strictly followed, detection of the malfunction
will not be possible.
WIRING DIAGRAM
Engine Control Module
B-R
3
>>EA3 B-R 2 1 P
GR
8
>>EA1
VSV for EGR
75 EGR
E9
E01
R/B No.2
EFI Main Relay
B+
24
GR E10 M-REL
R/B No.2
EFI No.1
B-Y
W-B
2A
EGR Gas
Temp. Sensor
5 V
1
BR-Y
46
E9 THG
2
Battery
BR-B
66
E9 E2
E1
FI6949