Yamaha XSR900 2022, Service Manual

Page: 646 / 726

9-240
P1608
EAS20788
P1608
EAS33531
TROUBLESHOOTING
Item
Intake air pressure sensor 2: signal out of range. Normal signal is not received from the intake air pres-
sure sensor 2 circuit.
Fail-safe system
• Able to start engine
• Able to drive vehicle
Procedure
TIP
If more than one DTC is detected at the same time, perform troubleshooting of DTC listed below first.
• P1606, P1607
1. Connection of intake air pressure sensor 2 coupler.
• Check the locking condition of the coupler.
• Disconnect the coupler and check the pins (bent or broken terminals and locking condition of the
pins).
2. Defective intake air pressure sensor 2.
• Replace the intake air pressure sensor 2.
Refer to “THROTTLE BODIES” on page 7-6.
• Turn the main switch to “ON”, and then check the DTC using the malfunction mode of the YDT.
3. Defective wire harness.
• Replace the wire harness.
• Turn the main switch to “ON”, and then check the DTC using the malfunction mode of the YDT.
Is the coupler condition normal?
YES
→
Go to step 2.
NO
a. Connect the coupler securely or replace the wire harness.
b. Turn the main switch to “ON”, and then check the DTC using the malfunction mode of the YDT.
Is it in the “Recovered” condition?
YES
→
Go to step 5, and complete the service.
NO
→
Go to step 2.
Is it in the “Recovered” condition?
YES
→
Go to step 5, and complete the service.
NO
→
Go to step 3.
Is it in the “Recovered” condition?
YES
→
Go to step 5, and complete the service.
NO
→
Go to step 4.