Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / ABS with EBD system / Problem symptoms table
Toyota Corolla (E120): Problem symptoms table
If a normal code is displayed during the dtc check but the problem still occurs, check the circuits for each problem symptom in the order given in the table below and proceed to the relevant troubleshooting page.
Notice
: when replacing skid control ecu, sensor or etc., Turn the ignition switch to off.

Other materials:
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 ...
Replacement
Hint: components:
1. Discharge refrigerant from refrigeration system
sst 07110–58060 (07117–58080, 07117–58090, 07117–78050, 07117–88060,
07117–88070,
07117–88080)
2. Disconnect cooler refrigerant suction
hose no.1
Remove the bolt and disconnect the cooler refriger ...
Pre–check
1. Diagnosis check
Starting diagnosis mode (service check mode)
turn off the audio system and turn the ig switch to
acc. While pressing the preset switches ”1” and ”6”
at the same time, press ”cd” 3 times.
Reference:
beep sound is given 3 times and the sys ...


