Toyota Corolla (E120): Catalyst system efficiency below threshold

Inspection procedure

Circuit description

Other materials:

Replacement
1. Remove console box sub–assy rear 2. Remove parking brake lever sub–assy 3. Remove exhaust pipe assy front 4. Remove front floor heat insulator no.1 Remove the 3 nuts and front floor insulator no.1. 5. Remove front floor heat insulator no.2 Remove the 2 nuts and front ...

Front no.2 Speaker assy
Replacement Hint: components: 1. Remove front armrest assy lh 2. Remove power window regulator master switch assy (w/ power window) 3. Remove front armrest base panel upper lh (w/o power window) 4. Remove front door window regulator handle assy (w/o power window) 5. Remove front door lower ...

Problem symptoms table
Hint: if a normal code is displayed during the dtc check but the trouble still occurs, check the circuits for each symptom in the order given in the charts on the following pages and proceed to the page given for troubleshooting. The matrix chart is divided into 3 chapters. If the instruc ...