Yamaha YZF-R1, Service Manual

Page: 720 / 808

P2122, P2123, P2127, P2128, P2138
9-223
Lines short circuit check “B”
4. Defective accelerator position sensor.
• Execute the diagnostic mode. (Code D14) (Accelerator position sensor signal 1.)
• Execute the diagnostic mode. (Code D15) (Accelerator position sensor signal 2.)
Accelerator position sensor coupler
blue/yellow–any other coupler terminal
white–any other coupler terminal
black/blue–any other coupler terminal
blue/green–any other coupler terminal
black–any other coupler terminal
black/yellow–any other coupler terminal
ECU coupler “2”
blue/yellow–any other coupler terminal
white–any other coupler terminal
black/blue–any other coupler terminal
blue/green–any other coupler terminal
black–any other coupler terminal
black/yellow–any other coupler terminal
Is resistance
∞ Ω
?
YES
→
Go to step 4.
NO
a. Replace the wire harness.
b. Turn the main switch to “ON”, and then check the condition of the DTC using the malfunction mode
of the YDT.
Is it in the “Recovered” condition ?
YES
→
Go to step 6, and complete the service.
NO
→
Go to step 4.
When the throttle valves are fully closed 9–23
When the throttle valves are fully open 71–87
When the throttle valves are fully closed 7–25
When the throttle valves are fully open 69–89
Is check result OK ?
YES
→
Go to step 5.
NO
→
Replace the handlebar switch (right).
Refer to “HANDLEBARS” on page 4-83.
B / L B / Y W / Y
B / G
B
B B / G
L / Y L Y / B
L / G W B / R W
R / W
L / Y B
B / Y W
B / L L / G
L / Y B
B / Y W
B / L L / G
A B
1 1 2