Toyota Corolla (E120) 2002–2008 Repair Manual / Starting & charging
Toyota Corolla (E120): Starting & charging
Other materials:
Floor shift parking lock cable assy (atm)
Replacement
1. Precaution
2. Disconnect battery negative terminal
3. Place front wheels facing straight ahead
4. Remove horn button assy
5. Remove steering wheel assy
sst 09950–50013 (09951–05010, 09952–05010, 09953–05020, 09954–05021)
6. Remove steering column cover
7. Remove 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 ...
How to proceed with troubleshooting
Hint:
carry out troubleshooting in accordance with the procedures on the following
page. Here, only the basic
procedures are shown. Details are provided in the diagnostics section, showing
the most effective methods
for each circuit. Confirm the troubleshooting procedures first for the releva ...


