P0107, P0108; Troubleshooting - Yamaha XSR 900 2022 Service Manual

EAS20567

P0107, P0108

EAS33047

TROUBLESHOOTING

Item
• [P0107] Intake air pressure sensor 1: short to ground circuit is detected. Normal signal is not received
from the intake air pressure sensor 1 circuit.
• [P0108] Intake air pressure sensor 1: open or short to power circuit is detected. Normal signal is not
received from the intake air pressure sensor 1 circuit.
Fail-safe system
• Able to start engine
• Able to drive vehicle
Procedure
1. Connection of intake air pressure sensor 1 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).
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 7, and complete the service.
NO
→ Go to step 2.
2. Connection of ECU 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).
Is the coupler condition normal?
YES
→ Go to step 3.
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 7, and complete the service.
NO
→ Go to step 3.
3. Wire harness continuity.
• Disconnect the intake air pressure sensor 1 coupler "1" and ECU coupler "3".
• Remove the joint coupler cap "2".
• Open circuit check
9-106
P0107, P0108