NOTE
Be sure the battery is fully charged.
Do not disconnect the connectors.

Special Tool - Needle Adapter Set: 57001-1457
Amplifier Input Voltage Connections to Amplifier Connector: Digital Meter (+) → BR/W lead Digital Meter (–) → BK/Y lead
If the reading is out of the standard, check the wiring (see Immobilizer System Circuit).
If the reading is within the standard, check the wiring to ECU (see Immobilizer System Circuit)
If the wiring is good, replace the amplifier (see Immobilizer System Parts Replacement in the Electrical System chapter).
The transponder [A] in the ignition key is malfunction.
When the spare key of unregistration is used.
When the ignition key is registered in the registered ECU.

Antenna Resistance Inspection
Blank Key Detection (Service Code 36, Equipped Models)ECU Power Supply Inspection
Remove the upper air cleaner housing (see Air Cleaner
Element Replacement in the Periodic Maintenance chapter).
Visually inspect the ECU connectors.
If the connector is clogged with mud or dust, blow it off
with compressed air.
Remove the ECU (see ECU Removal).
Visually inspect the ...
Immobilizer Amplifier Replacement
Remove the upper fairing assembly (see Upper Fairing
Assembly Removal in the Frame chapter).
Disconnect the connector [A].
Pull out the immobilizer amplifier [B] together with the rubber
protector [C] from the air intake duct [D].
ECU Replacement
Refer to the ECU Removal/Instal ...
Alternator Cover Removal
Remove:
Upper Fairing Assembly (see Upper Fairing Assembly
Removal in the Frame chapter)
Air Cleaner Housing (see Air Cleaner Housing Removal
in the Fuel System (DFI) chapter)
Bolt [A]
Bring the heat insulator plate [B] forward to remove the
alternator lead connector.
Clear the p ...