Yamaha YZF-R1 (2006) [372/426] Fuel injection system

Yamaha YZF-R1 (2006) [372/426] Fuel injection system
FUEL INJECTION SYSTEM
8-49
Fault code No. 19 Symptom
Open circuit is detected in the input line from the side-
stand switch to the ECU.
Diagnostic code No. 20 Sidestand switch
Orde
r
Item/components and probable
cause
Check or maintenance job
Reinstatement
method
1 Connections
Main wire harness ECU coupler
Execute the diagnostic mode.
(Code No.20)
Check the coupler for any pins
that may be pulled out.
Check the locking condition of
the coupler.
If there is a malfunction, repair it
and connect the coupler
securely.
If the transmis-
sion is in gear,
retracting the
sidestand.
If the transmis-
sion is in neu-
tral,
reconnecting
the wiring.
2 Open or short circuit in wire harness. Repair or replace if there is an
open or short circuit.
Between ECU coupler and relay
unit coupler.
(Blue/Yellow–Blue/Yellow)
Between relay unit coupler and
sidestand switch coupler.
(Blue/Black–Blue/Black)
Between sidestand switch cou-
pler and engine ground.
(Black–Black)
3 Defective sidestand switch. Replace if defective.
Refer to "CHECKING THE
SWITCHES" on page 8-73.
Fault code No. 20 Symptom
When the main switch is turned to "ON", the atmospheric
pressure sensor voltage and intake air pressure sensor
voltage differ greatly.
Diagnostic code No.
03
02
Intake air pressure sensor
Atmospheric pressure sensor
Orde
r
Item/components and probable
cause
Check or maintenance job
Reinstatement
method
1 Defective intake air pressure sensor or
atmospheric pressure sensor.
Execute the diagnostic mode.
(Code Nos. 03, 02)
Replace if defective.
Refer to "CHECKING THE
INTAKE AIR PRESSURE SEN-
SOR" on page 8-91 or
"CHECKING THE ATMO-
SPHERIC PRESSURE SEN-
SOR" on page 8-90.
Turning the
main switch to
“ON”.

Содержание

Похожие устройства

Скачать
Случайные обсуждения