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51_Immobilizer; Troubleshooting - Yamaha XSR 900 2022 Service Manual

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EAS20680

51_IMMOBILIZER

EAS33309

TROUBLESHOOTING

Item
Code cannot be transmitted between the key and immobilizer unit.
Cause
• Radio wave interference caused by objects around the keys and antennas.
• Immobilizer unit malfunction.
• Key malfunction.
Procedure
TIP
When a system malfunction occurs, the immobilizer system indicator light will flash. The DTC can be
identified by the flashing pattern. Refer to "HOW TO CHECK DTC" on page 9-23.
1. Keep magnets, metal objects, and other immobilizer system keys away from the keys and antennas.
• Turn the main switch to "ON".
Is DTC displayed?
YES
→ Go to step 2.
NO
→ Service is completed.
2. Turn the main switch to "ON" with another key.
Is DTC displayed?
YES
→ Go to step 3.
NO
→ If the DTC is displayed due to a defective key, replace the key with a new one.
3. Replace the main switch/immobilizer unit, ECU and all key, and complete the service.
Refer to "REPLACING THE ECU (Engine Control Unit)" on page 8-41.
9-267
51_IMMOBILIZER

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