Vehicle Speed Sensor Malfunction - Toyota T100 1996 Service Manual

DI−92
DTC P0500
CIRCUIT DESCRIPTION
This No.1 vehicle speed sensor is mounted in the combination meter. It contains a magnet which is rotated
by the speed meter cable.
Turning the reed switch ON and OFF 4 times for every revolution of the speedmeter.
It is then transmitted to the ECM. The ECM determines the vehicle speed based on the frequency of these
pluse signals.
T/M
FI7112 FI7166
DTC No.
No vehicle speed sensor signal to ECM under conditions (a)
P0500 (2 trip detection logic)
(a) Vehicle is being driven
WIRING DIAGRAM
Combination Meter
No.1
Vehicle
Speed
Sensor
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS

Vehicle Speed Sensor Malfunction

Cable
Combination
Meter
DTC Detecting Condition
From Cruise
Control ECU
10
6
G
G (M/T)
C11 IE1
G (A/T)
− ENGINE (3RZ−FE)
4−pulse
ECM
No.1 Vehicle Speed Sensor
S Open or short in No.1 vehicle speed sensor circuit
S No.1 vehicle speed sensor
S ECM
S Speedometer cable
9 8
G (M/T)
E4 E4
(M/T)(A/T)
To Speedometer Cable
Magnet Reed Switch
Trouble Area
ECM
SP1
E1
DI0TY−05
A00081
5 V
P19617