A01357
Cable
4 -- pulse
Transaxle
Combination Meter
ECU
A02517
Engine ECU
5 V
SPD
13
E5
G--O
C11
1
C9
12 BR
3C
Center J/B
BR
IM
Combination Meter
Sensor
Speed
3C
15
16
Center J/B
3E
3E
1
2
G--O
DI--40
--
DIAGNOSTICS
ENGINE (1RZ--E)
DTC 42 Vehicle Speed Sensor Signal Circuit
CIRCUIT DESCRIPTION
This sensor is mounted in the combination meter. It contains a magnet which is rotated by the speedometer
cable.
Turning the reed switch ON and OFF 4 times for every revolution of the speedometer.
It is then transmitted to the ECU. The ECU determines the vehicle speed based on the frequency of these
pulse signals.
DTC No.
Diagnostic Trouble Code Detecting Condition
Trouble Area
42
All conditions below are detected continuously for 8 sec. or
more:
(a) Vehicle speed signal: 0 km/h (0 mph)
(b) Engine speed: 2,500
∼
4,500 rpm
(c) Water temp.: 80
˚
C (176
˚
F) or more
(d) Load driving
S
Open or short in vehicle speed sensor circuit
S
Vehicle speed sensor
S
Combination meter
S
Engine ECU
WIRING DIAGRAM
DI1HU--01
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3RZ-F,3RZ-FE