TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.078

TGTE/Troubleshooting 2JZ-GTE — Circuit Description (Cont'd), page 79

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p.080
Circuit Description (Cont'd) — MK4 Supra Troubleshooting 2JZ-GTE, page 79
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Page text (OCR transcript)
ENGINE — 2JZ-GTE ENGINE TROUBLESHOOTING
EG–565

CIRCUIT DESCRIPTION (Cont'd)

Malfunction: Open in EGR Gas Temp. Sensor Circuit

(Vehicle Speed)

Detection
88 ~ 96 km/h
(55 – 60 mph)

④

②  ③
Idling
①
IG SW OFF
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 the 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           2   B-R 1      2    P
              EA2
GR            8              VSV for EGR
              EA1                              75   EGR     B+
                                               E9
②    ②                                              E01
R/B No.2  5    1
          EFI Main Relay                             B+
          3    2
②    ②                          GR          24   M-REL    W–
                                             E10
B-Y
②
R/B No.2
          EFI No.1
          W-B
1  2A                  EGR Gas
                       Temp. Sensor
8
                                    2    BR-Y   46   THG      5 V
Battery                             1           E9
                                                             W–

                                         BR-B   65   E2
                                                E9
                                                     E1

FI6932