Yamaha YZF-R6T Supplementary Service Manual page 454

Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys
Fault code No. 23
Used diagnostic code No. 02 (atmospheric pressure sensor)
Inspection operation item and probable
cause
Defective atmospheric pressure sensor.
Open or short circuit in wiring harness.
Installed condition of atmospheric pressure
sensor
Connected condition of connector
Inspect the coupler for any pins that may
have pulled out.
Check the locking condition of the coupler.
email: info@motomatrix.co.uk
FUEL INJECTION SYSTEM
Symptom Open or short circuit detected from the atmospheric pressure sensor.
Operation item and countermeasure
Replace if defective.
1. Connect the pocket tester (DC 20 V) to the
atmospheric pressure sensor coupler terminal
as shown.
Tester positive probe ! blue
Tester negative probe ! black / blue
2. Set the main switch to "ON".
3. Measure the atmospheric pressure sensor out-
put voltage.
4. Is the atmospheric pressure sensor OK?
Repair or replace if there is an open or short
circuit.
Between sensor coupler and ECU coupler
Blue - Blue
Black / Blue - Black / Blue
Pink - Pink
Check the installed area for looseness or
pinching.
If there is a malfunction, repair it and connect it
securely.
Atmospheric pressure sensor coupler
Main wiring harness ECU coupler
1
1
2
Atmospheric pressure sensor
output voltage
3.75 X 4.25 V
7-18
FI
Reinstatement
method
Reinstated by
turning the main
switch ON.
2