Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / ABS with EBD system / Tc terminal circuit / Inspection procedure
Toyota Corolla (E120): Inspection procedure
1 Inspect dlc3 terminal voltage(tc terminal)
- Turn the ignition switch to on.
- measure voltage between terminals tc and cg of dlc3.
Ok: voltage: 10 – 14 v
2 Check harness and connector(dlc3 – body ground)
- Check for open and short circuit in harness and connector between terminal cg of the dlc3 and body ground
3 Check harness and connector(skid control ecu – dlc3)
- Check for open and short circuit in harness and connector between terminal tc of the skid control ecu and dlc3
Check and replace brake actuator assy
Other materials:
Circuit description
When the ignition switch is turned on, battery positive voltage is applied to
the coilwhich closes the contacts
of the efi main relay (marked: efi) and supplies power to terminal +b of the ecm.
This signal causes current to flow to the coil, closing the contacts of the efi
relay and supplyin ...
Inspection procedure
Hint:
read freeze frame data using the hand–held tester or the obd ii scan tool.
Freeze frame data records the
engine conditions when a malfunction is detected. When troubleshooting, it is
useful for determining whether
the vehicle was running or stopped, the engine was warmed up or not, th ...
Windshield wiper switch assy
Replacement
1. Remove steering column cover lwr
Remove 3 screws and steering column cover lwr.
2. Remove windshield wiper switch assy
Disconnect the connecter of the windshield wiper switch.
release the claw and pull out the windshield wiper switch
assy as shown in the ...