A03006
ON
SPD
(+)
(--)
AT7809
4.5
∼
5.5 V
0
Turn the wheel
--
DIAGNOSTICS
ENGINE (1RZ--E)
DI--41
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 sensor is operating normally if the speedometer display is normal.
NG
Check speedometer circuit. See combination
meter troubleshooting.
OK
2 Check voltage between terminal SPD of engine ECU connector and body ground.
PREPARATION:
(a) Remove the glove compartment.
(b)
Shift the shift lever to N position.
(c)
Jack up one of the rear wheels.
(d)
Turn ignition switch ON.
CHECK:
Measure voltage between terminal SPD of engine ECU con-
nector and body ground when the wheel is turned slowly.
OK:
Voltage is generated intermittently.
NG
Check and repair harness and connector be-
tween combination meter and engine ECU
OK
Check and replace engine ECU.
CLICK HERE TO VIEW CHAPTER INDEX
Pages From Supplement
3RZ-F,3RZ-FE