

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 InspectionClutch Plate, Wear, Damage Inspection
Visually inspect the friction and steel plates for signs of
seizure, overheating (discoloration), or uneven wear.
Measure the thickness of each friction plate [A] at several
points.
If any plates show signs of damage, or if they have worn
past the service limit, replace them with new on ...
Cylinder Head Cover Removal
Remove:
Air Suction Valves (see Air Suction Valve Removal)
Throttle Body Assy (see Throttle Body Assy Removal in
the Fuel System (DFI) chapter)
Stick Coils (see Stick Coil Removal in the Electrical System
chapter)
Remove the clamps [A].
Turn up the front side of the heat insulation ...
Specifications
Whenever you see the symbols
shown below, heed their instructions!
Always follow safe operating and maintenance
practices.
DANGER
DANGER indicates a hazardous
situation which, if not avoided,
will result in death or serious injury.
WARNINGWARNING indicates a hazardous
situation whi ...