Toyota T100 1996 Service Manual page 274

DI−10
7 Check fuel pressure.
ON
Fuel Return Hose
OK
8 Check for spark.
OK
Proceed to problem symptoms table on page
DI−21.
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS − ENGINE (3RZ−FE)
PREPARATION:
(a) Be sure that enough fuel is in the tank.
(b) Connect the TOYOTA hand−held tester to the DLC3.
(c) Turn the ignition switch ON and push the TOYOTA hand−
held tester main switch ON.
(d) Use "ACTIVE TEST" mode to operate the fuel pump.
CHECK:
Check for fuel pressure in the fuel return hose when it is pinched
off.
A00770
HINT:
At this time, you will hear a fuel flowing noise.
NG Proceed to page MF−1 and continue to trouble-
shoot.
PREPARATION:
(a) Disconnect the high−tension cord from the spark plug.
(b) Remove the spark plug.
(c) Install the spark plug to the high−tension cord.
(d) Disconnect the injector connector.
(e) Ground the spark plug.
CHECK:
Check if the spark occurs while engine is being cranked.
NOTICE:
P25086
To prevent excess fuel being injected from the injectors
during this test, don't crank the engine for more than 5 ∼ 10
seconds at a time.
NG Proceed to page IG−1 and continue to trouble-
shoot.