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Fault code No.
42
Diagnostic code No.
Order Item/components and probable
cause
A-1
Connections
• Speed sensor coupler
• Wire harness ECU coupler
A-2
Open or short circuit in speed sensor
lead.
A-3
Defective speed sensor.
Symptom A. No normal signals are received from the speed sensor.
B. Open circuit is detected in the neutral switch.
C. Open circuit is detected in the clutch switch.
A
07
Speed sensor
B
21
Neutral switch
C
—
Clutch switch
Check or maintenance job
• Check the coupler for any pins
• Check the locking condition of
• If there is a malfunction, repair it
• Repair or replace if there is an
• Between speed sensor coupler
• Execute the diagnostic mode.
• Replace if defective.
8-75
FUEL INJECTION SYSTEM
that may be pulled out.
the coupler.
and connect the coupler se-
curely.
open or short circuit.
and ECU coupler.
(blue–blue)
(white/yellow–white/yellow)
(black/blue–black/blue)
(Code No. 07)
Refer to "CHECKING THE
SPEED SENSOR" on page
8-112.
Reinstatement
method
Starting the en-
gine, and acti-
vating the
speed sensor
by operating
the vehicle at
20 to 30 km/h.
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