Oxygen Sensor Heater Resistance
Connections: W lead [C] ←→ W lead [D]
Standard: 6.7 
10.5 Ω at 20° (68°F)
If the reading is out of the standard, replace the sensor.
If the reading is within the standard, check the power source voltage (see Oxygen Sensor Heater Power Source Voltage Inspection).
Oxygen Sensor Heater Removal/Installation
Oxygen Sensor Heater Power Source Voltage InspectionWarning Indicator Light (LED)
Light (LED) Inspection
The warning indicator light (LED) [A] is used for the FI indicator,
immobilizer indicator (immobilizer equipped models),
water temperature warning indicator and oil pressure
warning indicator.
In this model, the warning indicator light (LED) (FI/immobilizer)
goes ...
Main Throttle Sensor Output Voltage Inspection
Measure the output voltage at the main throttle sensor in
the same way as input voltage inspection, note the following.
Disconnect the main throttle sensor connector and connect
the setting adapter [A] between these connectors.
Special Tool - Throttle Sensor Setting Adapter: 57001
-15 ...
Operating Procedures
Clean the seat area carefully.
Coat the seat with machinist’s dye.
Fit a 45° cutter into the holder and slide it into the valve
guide.
Press down lightly on the handle and turn it right or left.
Grind the seating surface only until it is smooth.
NOTICE
Do not grind the seat too ...