9-250
P2122, P2123, P2127, P2128, P2138
4. Defective accelerator position sensor.
• Execute the diagnostic mode. (Code 14) (Accelerator position sensor signal 1.)
*: For MTN890D
• Execute the diagnostic mode. (Code 15) (Accelerator position sensor signal 2.)
*: For MTN890D
5. Malfunction in ECU.
• Replace the ECU, and complete the service.
Refer to “REPLACING THE ECU (Engine Control Unit)” on page 8-56.
6. Delete the DTC and check that the MIL goes off.
• Confirm that the DTC has a condition of “Recovered” using the YDT, and then delete the DTC.
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 14–18
When the throttle valves are fully open 82–92
*Turn the throttle grip past the closed position in the deceleration direc-
tion.
7–12
When the throttle valves are fully closed 14–18
When the throttle valves are fully open 82–92
*Turn the throttle grip past the closed position in the deceleration direc-
tion.
7–12
Is check result OK?
YES
→ Go to step 5.
NO
→ Replace the handlebar switch (right).
Refer to “HANDLEBAR” on page 4-57.
Is it in the “Recovered” condition?
YES
→ Go to step 6, and complete the service.
NO
→ Go to step 5.
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