
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.