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 Removal
NOTICE
Never drop the ECU especially on a hard surface.
Such a shock to the ECU can damage it.
Remove the upper air cleaner housing (see Air Cleaner
Element Replacement in the Periodic Maintenance chapter).
Lift up the ECU [A] with rubber protector [B] to disconnect
the connectors [C]. ...
Piston Wear Inspection
Measure the outside diameter [A] of each piston 5 mm
(0.20 in.) [B] up from the bottom of the piston at a right
angle to the direction of the piston pin.
If the measurement is under service limit, replace the piston.
Piston Diameter
Standard: 75.959 75.974 mm
(2.9905 2.9911 in.)
...
Mud Guard Installation
Installation is the reverse of removal. Note the following.
Run the hose and lead correctly (see Cable, Wire, and
Hose Routing section in the Appendix chapter).
Check the brake line.
Apply a non-permanent locking agent to the threads of
the mud guard mounting bolts [A, B], and tighten them ...