Resistance Inspection (A/F Sensor Heater): Notes
WARNING: This page is about a different variant/trim than selected.
WARNING:
- A hot engine and exhaust system can cause severe burns. Turn off the engine and wait until they are cool before removing the exhaust system.
CAUTION:
- Do not allow flammable objects such as the taping for bundling the wiring harness to come into contact with the exhaust system such as the exhaust manifold and silencer which reach high temperatures. Otherwise, it could cause fire damage.
- Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION ).
- Remove the plug hole plate. (See PLUG HOLE PLATE REMOVAL/INSTALLATION ).
- Disconnect the A/F sensor connector.
- Measure the resistance between A/F sensor terminals A and E.
- If not as specified, replace the A/F sensor. (See AIR FUEL RATIO (A/F) SENSOR REMOVAL/INSTALLATION ).