Troubleshooting - Honda CBR650F Service Manual

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IMMOBILIZER SYSTEM (HISS)

TROUBLESHOOTING

The immobilizer indicator comes on for approx. two seconds then it goes off, when the ignition switch is turned
ON with the properly registered key with the engine stop switch turned " " and the immobilizer system (HISS)
functions normally. If there is any problem or the properly registered key is not used, the indicator will remain
on.
Immobilizer indicator does not operate properly
1. Combination Meter Initial Operation Check
Check the combination meter initial operation (page 21-7).
Is the initial operation displayed?
YES
NO
2. Serial Communication Inspection
Check the combination meter indication when the serial communication line is abnormal (page 4-5).
Is the indication according to above condition?
YES
NO
Immobilizer indicator remains on with the ignition switch turned ON
1. Immobilizer Receiver Jamming Inspection
Check that there is any metal obstruction or the other vehicle's transponder key near the immobilizer
receiver and key.
Is there any metal obstruction or the other transponder key?
YES
NO
2. First Transponder Key Inspection
Turn the ignition switch ON with the spare transponder key and check the immobilizer indicator.
The indicator should come on for 2 seconds then go off.
Does the indicator go off?
YES
NO
3. Diagnostic Code Inspection
Perform the diagnostic code indication procedure (page 22-6).
Check that the immobilizer indicator comes on then it starts blinking.
Does the indicator blink or stay lit?
BLINKS –Read the diagnostic code (page 22-7).
STAYS LIT –GO TO STEP 4.
4. CKP sensor Line Inspection
Check the CKP sensor lines (page 22-9).
Is there continuity?
YES
NO
Diagnostic code
1. Immobilizer Receiver Power Input Line Inspection
Check the immobilizer receiver power input line (page 22-10).
Is the input line normal?
YES
NO
22-8
– GO TO STEP 2.
– Check the combination meter power/ground line (page 21-7).
– Check the serial communication line (page 21-8).
– Replace the combination meter, and recheck (page 21-10).
– Remove it and recheck.
– GO TO STEP 2.
– Faulty first transponder key
– GO TO STEP 3.
– • Open circuit in Yellow wire
• Open circuit in White/yellow wire
– Faulty ECM
is indicated (Code signals cannot send or receive)
– GO TO STEP 2.
– Open or short circuit in the Yellow/red wire