Toyota T100 1996 Service Manual page 491

INSPECTION PROCEDURE
1 Check operation of speedometer.
CHECK:
Drive the vehicle and check if the operation of the speedometer in the combination meter is normal.
HINT:
The vehicle speed is operating normally if the speedometer display is normal.
OK
2 Check voltage between terminal SP1 of ECM connector and body ground.
ON
For M/T
For A/T
BE6653
P24205
P24324
OK
Check and replace ECM (See page IN−26).
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS
SP1 (+)
SP1 (+)
A00120
− ENGINE (5VZ−FE)
NG Check speedometer and cable
(See page BE−38).
PREPARATION:
(a) Remove the right cowl side trim (See page SF−61).
(b) Disconnect the cruise control ECU connector.
(c) Shift the shift lever to neutral.
(d) Jack up the rear wheel on one side.
(e) Turn the ignition switch ON.
CHECK:
Measure voltage between terminal SP1 of ECM connector and
body ground when the wheel is turned slowly.
OK:
Voltage is generated intermittently.
4 ∼ 6 V
NG Check and repair harness and connector
between combination meter and ECM.
DI−227
Turn Wheel
AT7809