Toyota Corolla (E120) 2002–2008 Repair Manual / Introduction / How to troubleshoot ecu controlled
systems / Problem symptoms table
Toyota Corolla (E120): Problem symptoms table
The suspected circuits or parts for each problem symptom are shown in the table below. Use this table to troubleshoot the problem when a normal code is displayed in the diagnostic trouble code chart but the problem is still occurring. Numbers in the table indicate the order in which the circuits or parts should be checked.
Hint: when the problem is not detected by the diagnostic system even though the problem symptom is present, it may be that the problem is occurring outside the detection range of the diagnostic system.

Other materials:
Registering a new contact to the contact list
New contact data can be registered. Up to 4 numbers per person can be registered.
For PBAP compatible Bluetooth® phones, this function is available when “Automatic
Contact/History Transfer” is set to off.
1 Select “New Contact”.
2 Enter the name and select “OK”.
3 Enter the phone ...
Circuit description
Refer to dtc p0130
Hint:
the ecm provides a pulse width modulated control circuit to adjust current
through the heater. The heated
oxygen sensor heater circuit uses a relay on the b+ side of the circuit.
Monitor description
The ecm uses the heated oxygen sensor information to regulate t ...
Torque converter clutch and drive plate (atm)
Inspection
1. Inspect torque converter clutch assy
Inspect the one–way clutch.
Set sst into the inner race of the one–way clutch.
Sst 09350–32014 (09351–32010)
set sst so that it fits in the notch of the converter
hub and outer race of the one–way clutch.
...


