If you experience abnormal sound problems, you can check the screen and cables one by one by following the steps in this document.
You can also copy the video link to your browser off to see the detailed video tutorial: https://youtu.be/8sAp9-Lyr5Y
Or scan the QR code of the video to watch it:
Step 1:
Click OEM CAR INFO on PEMP home page to enter the OEM system, check whether the OEM system can be displayed normally.
A: If the OEM system displays anomalies, refer to the documentation in the Documentation list on how to handle abnormal OEM system displays.
B: If the OEM system can be displayed normally, please click Multimedia-External Devices, and then select Multimedia Mode as AUX front.
Step 2:
Check if the volume is too low, use the screen to play music and use the volume control knob to drastically adjust the volume to increase the volume.
Step 3:
Go to Settings-Audio-Volume and turn the volume up.
Step 4:
Connect one end of the supplied AUX cable to the AUDIO OUT port on the IOS harness; The other end connects to the car's AUX IN (usually located at the armrest box).
Step 5:
Connect the A/B cable plugs to each other.
Step 6:
Some cars have fiber optic cable on OEM ISO harness, if your OEM ISO harness has fiber optic cable, please transfer it to PEMP ISO harness.
Step 7:
Check the ISO harness plugs and re-unplug and re-insert the plugs.
Step 8:
Check the power cable and LVDS cable on the back of the screen and unplug and re-plug them.
