When The Ecm/Pcm Is Faulty - Honda CRF1000 Shop Manual

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IMMOBILIZER SYSTEM (HISS)

When the ECM/PCM is faulty:

1. Obtain a new ECM/PCM and two new transponder keys.
2. Grind the keys in accordance with the shape of the original key (or use the key number plate when all key have been lost).
3. Replace the ECM/PCM with a new one (page 4-39).
4. Turn the ignition switch ON with a first new key and engine stop switch " ". The HISS indicator comes on for two seconds, then
it blinks four times repeatedly.
• The first key is registered in the ECM/PCM.
• If there is any problem in the registration, the system will enter the diagnostic mode and the indicator will remain for approx. ten
seconds, then it will indicate the diagnostic code (page 23-7).
5. Turn the ignition switch OFF and remove the first key.
6. Turn the ignition switch ON with a second new key. The HISS indicator comes on for two seconds, then it blinks four times
repeatedly.
• The second key is registered in the ECM/PCM.
• If there is any problem in the registration, the system will enter the diagnostic mode and the indicator will remain for approx. ten
seconds, then it will indicate the diagnostic code (page 23-7).
7. Turn the ignition switch OFF and remove the second key.
• The system (ECM/PCM) will not enter the normal mode unless the two keys are registered in ECM/PCM.
• The third new key cannot be continuously registered. When it is necessary to register the third key, follow the procedures "When
the key has been lost, or additional key is required" (page 23-3).
8. Check that the engine can be started using all registered keys.
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