P1601; Troubleshooting - Yamaha XSR 900 2022 Service Manual

EAS20614

P1601

EAS33094

TROUBLESHOOTING

Item
Sidestand switch: open or short circuit in wire harness of the ECU is detected. Normal signal is not re-
ceived from the sidestand switch.
Fail-safe system
• Unable to start engine
• Unable to drive vehicle
Procedure
1. Connection of sidestand switch 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 extend and retract the sidestand.
c. 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 extend and retract the sidestand.
c. 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. Connection of relay unit 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).
9-228
P1601