Part 1 of 1

Troubleshooting





R-1 : Replace the audio head unit
1. Check the same problems after replaceing the audio head unit






R-2 : Check the power connection of audio head unit.
1. Remove the audio head unit.
2. Check the specified condition of terminal.










R-3 : Check the steering wheel remote control
1. Check the steering wheel remote control connector specification






R-4 : Check the wiring harness and connector
1. Remove the audio head unit
2. Remove the external amplifier (For PA760s)















R-5 : Check the wiring harness and connector
1. Remove the audio head unit
2. Remove the external amplifier (For PA760S)
3. Check the output of audio head unit and external amplifier using the oscilloscope















R-6 : Radio Broadcast cannot be Received (Bad reception)
1. Check the radio broadcast reception after replacing the audio head unit










2. Check the antenna jack










3. Check the antenna amp input voltage (Refer to "Antenna - Glass antenna circuit inspection"










4. Check the feeder cable connection










5. Check and repair the glass antenna.

R-7 : Check that speakers are installed tightly.










1. Noise source description















2. Repair or replace the noise source