XC70 L5-2.5L Turbo VIN 59 B5254T2 (2003)
Climate Control Exhaust Gas Sensor: Testing and Inspection
Air quality sensor, checking
Removal
Removing the windshield wiper and cowl
Remove:
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the windshield wipers. See Wiper arm / blade, windshield, replacing See: Wiper and Washer Systems/Wiper Arm/Service and Repair/Wiper Arm /
Blade, Windshield, Replacing
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the cowl over the windshield wiper recess. See Cowl and gutter, replacing See: Body and Frame/Cowl/Cowl Moulding / Trim/Service and
Repair/Cowl and Gutter, Replacing
Check
Checking the air quality sensor
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Start the car engine with the ECC automatic button in the ON position.