Yamaha YZF-R1 Series Service Manual page 726

EAS20634
P2158 (SCU)
EAS33114
TROUBLESHOOTING
Item
Front wheel sensor: no normal signals are received from the front wheel sensor.
Fail-safe system
• Able to start engine
• Able to drive vehicle
Procedure
1. Abnormal front wheel sensor
• Check the item of DTC P2158 for the ECU.
Refer to "SELF-DIAGNOSTIC FUNCTION TABLE (FOR FUEL INJECTION SYSTEM)" on page
9-38.
• Turn the main switch to "OFF" and back to "ON", and then check the condition of the DTC using the
malfunction mode of the YDT.
Is it in the "Recovered" condition?
YES
→ Service is completed.
NO
→ Refer to the item corresponding to DTC.
9-229
P2158 (SCU)