Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Cruise control system / Electronically controlled transmission
communication circuit
Toyota Corolla (E120): Electronically controlled transmission communication circuit
Other materials:
On–vehicle inspection
1. Inspect wireless door lock control functions
Hint:
the switch described in this text is a switch for transmitting
signals (lock switch, unlock switch
and panic switch) which is built into the door control transmitter.
All the functions listed below must be checked in the remote contro ...
Interior
SRS airbags
Floor mats
Front seats
Head restraints
Seat belts
Console box
Inside lock buttons
Cup holders
Rear seats
Rear seat heater switches*
*: If equipped
■Ceiling
Inside rear view mirror
Sun visors
Vanity mirrors
Vanity lights*
Interior lights/personal lights
Moon roof sw ...
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 ...