Climate Control Exhaust Gas Sensor: Testing and Inspection

Checking the air quality sensor

Removal

Removing the windshield wiper and cowl

Remove:
- the windshield wipers according to Wiper mechanism and wiper motor, windshield, replacing Service and Repair
- the cowl over the windshield wiper recess according to Wiper mechanism and wiper motor, windshield, replacing Service and Repair

Check

Checking the air quality sensor




- Start the car engine with the ECC automatic button in the ON position.




- Spray quick rust penetrator116 1422 QUICK RUST SOLVENT 200ml:SPRAY 116 1422 Quick Rust Solvent 200ml: Spray into the opening for the air quality sensor.

Note! Only spray a little.

If the air quality sensor and the other electronics are fault free, the damper for the air intake should close very soon.




If the air quality sensor is fault free, the damper for the air intake will gradually open after approximately 15 seconds.

Installation

Installing the windshield wiper and cowl

Install:
- the cowl over the windshield wiper recess according to Wiper mechanism and wiper motor, windshield, replacing Service and Repair
- the windshield wipers according to Wiper mechanism and wiper motor, windshield, replacing Service and Repair

Note! Cover the air intake to the passenger compartment when the engine compartment or the car is being treated with wax or preserving agent.