Toyota T100 1996 Service Manual page 1024

TOYOTA Hand−Held Tester
DLC3
1996 TOYOTA T100 (RM449U)
SFI (5VZ−FE) − FUEL PUMP
FUEL PUMP
ON−VEHICLE INSPECTION
1. CHECK FUEL PUMP OPERATION
(a) Connect the TOYOTA hand−held tester to the DLC3.
(b) Turn the ignition switch ON and push the TOYOTA hand−
held tester main switch ON.
NOTICE:
Do not start the engine.
FI7231
(c) Select the active test mode on the TOYOTA hand−held
tester.
(d) Please refer to the TOYOTA hand−held tester operator's
manual for further details.
(e) If you have no TOYOTA hand−held tester, connect the
positive (+) and negative (−) leads from the battery to the
fuel pump connector.
(f) Check that there is pressure in the fuel inlet hose from the
fuel filter.
HINT:
P21057
If there is fuel pressure, you will hear the sound of fuel flowing.
If there is no pressure, check these parts:
H−fuse (ALT 80A)
S
M−fuses (AM1 40A, AM2 30A)
S
Fuses (EFI 15A, IGN 7.5A)
S
EFI main relay
S
Circuit opening relay
S
Fuel pump
S
ECM
S
Wiring connections
S
(g) Turn the ignition switch to LOCK.
(h) Disconnect the TOYOTA hand−held tester from the
DLC3.
2. CHECK FUEL PRESSURE
(a) Check the battery positive voltage is above 12 V.
(b) Disconnect the negative (−) terminal cable from the bat-
tery.
(c) Remove the 6 bolts, and disconnect the No.2 timing belt
cover.
(d) Remove the union bolt holding the fuel pipe to the delivery
pipe and gasket.
CAUTION:
Put a shop towel under the delivery pipe. Slowly loosen the
union bolt.
P21210
Author : Date :
SF−5
SF0BT−02
1011