Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Catalyst system efficiency below threshold

Toyota Corolla (E120): Catalyst system efficiency below threshold

Dtc p0420 catalyst system efficiency below threshold (bank 1)

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Check mode procedure
Hint: hand–held tester only: compared to the normal mode, the check mode has more sensing ability to detect malfunctions. Furthermore, the same diagnostic items which are detected in the normal mode can also be detected in the check mode. 1. Check mode procedure(using the hand–held tester) ...

Wiper & washer
Preparation Sst Recomended tools Equipment ...

Checking and adding the brake fluid
■ Checking fluid level The brake fluid level should be between the "MAX" and "MIN" lines on the tank. ■ Adding fluid 1. Slide and lift up the rubber strip to partly remove it as shown. 2. Disconnect the claws and remove the service cover. 3. Remove the reservoir cap. 4. Add brake fluid slowl ...