Toyota Corolla (E170): Maintenance and care

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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 ignition or starter switch assy Check the ignition switch, as shown in the illustration and table. Standard: 2 Check fuse (ecu–b) Remove the fuse from the instrument panel j/b.  check the continuity of the fuse. Standard: continuity 3 Check relay (m ...

Dialing from call histories
1 Select “All calls”, “Missed calls”, “Incoming calls” or “Outgoing calls” using . 2 Select the desired number using and press the off-hook switch. The following operations can be performed: ● Registering a number as a speed dial Press (Add S. Dial) and then press an ...