Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / ABS with EBD system / Ts terminal circuit
Toyota Corolla (E120): Ts terminal circuit
Other materials:
Brake
Preparation
Sst
Recomended tools
Equipment
Lubricant
...
How to proceed with troubleshooting
1 Vehicle brought to workshop
2 Customer problem analysis
3 Check and clear dtc
4 Problem symptom confirmation
Symptom does not occur (go to
step 5)
5 Symptom simulation
6 Dtc check
7 Dtc chart
8 Problem symptoms table
9 Circuit inspection
10 Confirmation test
End
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Circuit description
In the diagram below, when the engine is cranked, current flows from terminal
st2 of the ignition switch to
the starter relay coil and also current flows to terminal sta of the ecm (sta
signal).
When the sta signal and ne signal are input to the ecm, tr is turned on, current
flows to the c ...


