Toyota Corolla (E120): Oxygen sensor circuit malfunction

Inspection procedure

Circuit description

Other materials:

Replacement
Hint: components: 1. Remove floor shift shift lever knob sub–assy 2. Remove console panel upper 3. Remove parking brake hole cover sub–assy 4. Remove console box sub–assy rear 5. Separate floor shift cable transmission control shift Separate the end of the shift cable from the ...

Catalyst monitor (o2s type)
Preconditions The monitor will not run unless: mil is off. Engine coolant temperature (ect) is 176°f (80 °C) or greater. Intake air temperature (iat) is 14°f (–10 °C) or greater.* Notice: * 2002 and later my vehicles: the readiness test can be completed in cold ambient c ...

Circuit description
While driving uphill with cruise control activated, in order to minimize gear shifting and provide smooth cruising overdrive may be prohibited temporarily under some conditions. The cruise control ecu sends o/d cut signals to the ecm as necessary and the ecm cancels overdrive shifting until ...