Toyota Camry Manual page 1483

DI–456
CIRCUIT INSPECTION
DTC P0500
CIRCUIT DESCRIPTION
The vehicle speed sensor outputs a 4–pulse signal for every revolution of the rotor shaft, which is rotated
by the transmission output shaft via the driven gear. After this signal is converted into a more precise rectan-
gular waveform by the waveform shaping circuit inside the combination meter, it is then transmitted to the
ECM. The ECM determines the vehicle speed based on the frequency of these pulse signals.
4–Pulse
Vehicle Speed
Sensor
Transaxle
Q00515 Q00514
DTC No.
No vehicle speed sensor signal to ECM under conditions (a)
and (b)
(2 trip detection logic)
P0500
(a) Park/neutral position switch is OFF
(b) Vehicle is being driven
Clutch or brake slips or gear is broken
WIRING DIAGRAM
See page DI–333.
DIAGNOSTICS
Vehicle Speed Sensor Malfunction
4–Pulse
Combination
Meter
DTC Detecting Condition
– AUTOMATIC TRANSAXLE (A541E)
ECM
D Open or short in vehicle speed sensor circuit
D Vehicle speed sensor
D Combination meter
D ECM
D Automatic transaxle (clutch, brake or gear etc.)
A t ti t
Author :
Vehicle Speed Sensor
Trouble Area
l ( l t h b k t )
Date :
DI1KB–01
A00223
691