TSRM/MK4 Supra/Repair Manual
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TGE/Troubleshooting 2JZ-GE — Inspection Procedure, page 78

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Inspection Procedure — MK4 Supra Troubleshooting 2JZ-GE, page 78
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Page text (OCR transcript)
EG–458
ENGINE – 2JZ–GE ENGINE TROUBLESHOOTING

INSPECTION PROCEDURE

1  Check fuel pump operation.

ON
+B
FP
SST
DLC1

P  (1) Turn ignition switch ON.
   (2) Using SST, connect terminals +B and FP of
       data link connector1.
   SST 09843–18020

C  Check that there is pressure in the hose from the
   fuel filter.

OK  Fuel pressure can be felt.

BE6653
P11290
P11446
Fuel Inlet Hose

OK                         NG  Go to step 3 .

2  Check for open and short in harness and connector between terminals +B
   ↔ +B, FP ↔ FP of the data link connector 1 and fuel pump ECU (See page
   IN–30).

NG                         OK  Go to step 5 .

Repair or replace harness or connector.

3  Check voltage of terminal +B of data link connector 1.

ON
+B
DLC1

BE6653
FH958

P  Turn ignition switch ON.

C  Measure voltage between terminal +B of data link
   connector 1 and body ground.

OK  Fuel pressure can be felt.

OK                         NG  Check for ECM power source circuit (See page
                               EG–465), and check for open in harness and con-
                               nector between terminal +B of data link connec-
                               tor 1 and main relay.