Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Audio system / Pressing power switch does not start system
Toyota Corolla (E120): Pressing power switch does not start system
Wiring diagram

Inspection procedure
1 Inspect radio receiver assy(+b, acc, gnd)

- Check that the continuity between terminals at each condition, as shown in the chart.
Standard:

- Check that the voltage between terminals at each condition, as shown in the chart.
Standard:



Check and replace radio receiver assy
Other materials:
Inspection
1. Inspect inner rear view mirror assy
Inspect the electro chromic inner mirror operation.
Connect the positive (+) lead from the battery to terminal
1 and negative (–) lead to terminal 2.
) Attach black colored tape to the forward sensor to
prevent it from sensing.
&nb ...
Key information
Keys
The following keys are provided with the vehicle.
► Vehicles without a smart key system
(type A)
1 Keys
2 Key number plate
► Vehicles without a smart key system (type
B)
1 Keys
Operating the wireless remote control function
2 Key number plate
► Vehicles ...
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 ...


