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)Check 2-2: Fuel Level Warning Inspection
Remove:
Fuel Tank (see Fuel Tank Removal in the Fuel System
(DFI) chapter)
Connect the resistor(s) [A] (about 50 to 100 Ω) between
the fuel pump connector terminal [B] of the main harness
side and the battery negative (–) terminal [C] as shown.
Turn the ignition switch ...
Air Cleaner Element Replacement
NOTE
In dusty areas, the element should be replaced more
frequently than the recommended interval.
WARNINGIf dirt or dust is allowed to pass through
into the
throttle body assy, the throttle may become stuck,
possibly causing accident. Replace the air cleaner
element according ...
Cylinder Head Warp Inspection
Clean the cylinder head.
Lay a straightedge across the lower surface of the cylinder
head at several positions.
Use a thickness gauge [A] to measure the space between
the straightedge [B] and the head.
Cylinder Head Warp
Standard: – – –
Service Limit: 0.05 mm (0.0020 in.)
...