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 procedure
1 Check low pitched horn assy
Connect the positive (+) lead from the battery to the terminal
and negative (–) lead to the horn body, and check that
the horn blows.
2 Check relay (marking: horn)
Remove the relay from the engine room j/b.
check the horn relay conti ...
Receiving a call
When a call is received, the following screen is displayed together with a
sound.
To answer the phone
Press the switch on the steering
wheel or select .
To refuse a call
Press the switch on the steering
wheel or select .
To adjust the incoming call volume
Turn the “PWR/VOL” knob. ...
Inspection procedure
1 Input signal check
See input signal check on page 05–745.
check indicator light operation when driving with vehicle
speed above 40 km/h (25 mph), and with vehicle speed
below 40 km/h (25 mph).
Ok:
vehicle speed above 40 km/h (25 mph):
indicator light blinks
vehicle speed be ...