Toyota T100 1996 Service Manual page 581

INSPECTION PROCEDURE
1 Check operation of stop light.
CHECK:
Check if the stop lights go on and off normally when the brake pedal is operated and released.
OK
2 Check STP signal.
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS − AUTOMATIC TRANSMISSION
NG Check and repair stop light circuit.
When using OBD II scan tool or TOYOTA hand−held tester:
PREPARATION:
(a) Connect an OBD II scan tool or TOYOTA hand−held tes-
ter to the DLC3.
(b) Turn the ignition switch ON and OBD II scan tool or TOY-
OTA hand−held tester main switch ON.
CHECK:
Read the STP signal on the TOYOTA hand−held tester.
OK:
Brake Pedal
Depressed
Release
When not using OBD II scan tool or TOYOTA hand−held tes-
ter:
PREPARATION:
Turn the ignition switch ON.
CHECK:
Check the voltage between terminal B/K of the ECM connector
and body ground.
OK:
Brake Pedal
Depressed
Release
D11000
DI−317
STP Signal
ON
OFF
Voltage
7.5 − 14 V
Below 1.5 V