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Toyota Corolla Repair Manual: Emission control system

Toyota Corolla Repair Manual / Emission control / Emission control system

Emission control
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Onvehicle inspection
1. Inspect airfuel ratio compensation system Hint: you can also check the system by choosing data monitor, then o2 sensor output voltage on the monitor of the handheld tester. Connec ...

Other materials:

Diagnostic trouble code chart
The inspection procedures are shown in the table below. This table allows efficient and accurate troubleshooting using the diagnostic trouble codes displayed in the diagnostic trouble code chart. Proceed with troubleshooting in accordance with the inspection procedures listed in the diagnost ...

Identification information
Vehicle identification and serial numbers 1. Vehicle identification number The vehicle identification number is stamped on the vehicle identification number plate and certification label, as shown in the illustration. Vehicle identification number plate certification label 2. Engine ...

Circuit description
Refer to dtc p0120 Dtc no. Dtc detection condition Trouble area P0121 The following condition is met 4 times. After the vehicle speed has exceeded 19 mph (30 km/h) once, the throttle position sensor output value is out of normal range when the throttle ...

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