Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / ABS with EBD system / Brake warning light circuit / Circuit description
Toyota Corolla (E120): Circuit description
If the ecu detects trouble, it lights the brake warning light at the same time of prohibiting abs control. At this time, the ecu records a dtc in memory.
Connect terminals tc and cg of the dlc3 to make the brake warning light blink and output the dtc.
Wiring diagram
Other materials:
How to proceed with troubleshooting
1 Vehicle brought to workshop
2 Customer problem analysis
3 Check and clear dtcs and freeze frame data
4 Problem symptom confirmation
Symptom does not occur: go to
step 5
Symptom occurs: go to step 6
5 Symptom simulation
6 Dtc check
There is no
output: go to step 7
There is outp ...
Inspection procedure
Hint:
when the throttle position is slightly opened (the accelerator pedal
is slightly depressed) because a
floor carpet is overlapped on the accelerator pedal, or if not fully
releasing the accelerator pedal, etc.,
Dtc p505 will possibly be detected.
Read freeze frame data using the ...
RSA (Road Sign Assist)
The RSA system detects
specific road signs using
the front camera and/or navigation
system (when speed
limit information is available)
and warns the driver
via displays and buzzers.
WARNING
■For safe use
Driving safely is solely the
responsibility of the driver. Pay
careful attention to the su ...