Toyota T100 1996 Service Manual page 507

INSPECTION PROCEDURE
HINT:
This diagnostic chart is based on the premise that the engine is cranked normally. If the engine is not
cranked, proceed to the matrix chart of problem symptoms on page DI−148.
1 Connect the TOYOTA hand−held tester and check STA signal.
PREPARATION:
(a) Connect the TOYOTA hand−held tester to the DLC3.
(b) Turn ignition switch ON and push TOYOTA hand−held tester main switch ON.
CHECK:
Read STA signal on the TOYOTA hand−held tester while starter operates.
OK:
Ignition Switch Position
STA Signal
NG
2 Check for open in harness and connector between ECM and starter relay (See
page IN−26).
OK
Check and replace ECM (See page IN−26).
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS − ENGINE (5VZ−FE)
ON
OFF
OK Proceed to next circuit inspection shown on
matrix chart (See page DI−148).
NG Repair or replace harness or connector.
DI−243
START
ON