Toyota Corolla (E120): Oxygen sensor circuit slow response

Inspection procedure

Circuit description

Other materials:

Replacement
1. Drain engine oil  remove the oil pan drain plug and drain the engine oil. 2. Removal & installation chain sub–assy 3. Remove chain vibration damper no.1  remove 2 bolts and chain vibration damper no. 1. 4. Remove oil pump assy Remove the 5 bolts.  rem ...

Overhaul
1. Drain brake fluid Notice: wash the brake fluid off immediately if it comes into contact with any painted surface. 2. Remove air cleaner cap sub–assy 3. Remove brake master cylinder sub–assy  disconnect the brake fluid level switch connector from master cylinder reservoir subâ ...

Inspection
1. Inspect sliding roof limit switch Inspect the sliding roof limit switch continuity. Standard: If the continuity is not as specified, replace the switch. 2. Inspect sliding roof drive gear sub–assy Connect the positive (+) lead from the battery to terminal 2 and the ne ...