Toyota Corolla (E120): Combination meter

Outer rear view mirror assy lh

Problem symptoms table

Other materials:

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
The rear heated oxygen sensor is used to monitor oxygen concentration in the exhaust gas. For optimum catalytic converter operation, the air fuel mixture must be maintained near the ideal ”stoichiometric” ratio. The heated oxygen sensor output voltage changes suddenly in the vicinity of ...

Inspection procedure
1 Check p/t squib(rh) circuit(airbaga sensor assy center – front seat outer belt assy rh) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the airbag sensor assy center and the seat belt pretensi ...