Toyota Corolla (E170): Alarm
Other materials:
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 ...
Circuit description
The ignition switch provides circuit power and the ecm provides the circuit
ground that illuminates the mil.
Mil operation is checked visually:
it should be illuminated when the ignition is first turned on. If the mil is off
all of the time or on all of the time,
use the procedure below to ...
Vehicle control system
Ignition or starter switch assy
Replacement
1. Remove steering column cover
2. Remove ignition or starter switch assy
Disconnect the ignition switch connector and unlock
warning switch connector.
remove the 2 clamps.
remove the 2 screws and ignition switch.
Inspectio ...