Toyota Corolla (E120): Components
Other materials:
Ecu power source circuit
Circuit description
This circuit provides power to operate the tvip ecu.
Wiring diagram
Inspection procedure
1 Check fuse (ecu–b)
Remove the fuse from the instrument panel j/b.
check the continuity of the fuse.
Standard: continuity
2 Check tvip ecu
Disconnect ...
Inspection procedure
1 Inspect stop lamp switch assy
2 Check harness and connector(stop lamp switch assy – ecm)
Install the stop lamp switch assy.
disconnect the ecm connector.
measure the voltage according to the value(s) in the table
below when the brake pedal is depressed and rele ...
Check dlc3
The vehicle’s ecm uses the iso 9141–2 for communication
protocol. The terminal arrangement of the dlc3 complies
with sae j1962 and matches the iso 9141–2 format.
Hint:
if the display shows unable to connect to vehicle
when you have connected the cable of the obd ii scan tool or
the h ...