Audio control module (cable between audio module and CD changer/navigation unit)
Before taking any readings, see Checking the ground terminals .
| Control module terminal | Breakout box terminal | Signal type | Ignition on |
|---|---|---|---|
| E1 | #16 | Clock signal to audio unit | Digital signal |
| E2 | #17 | Signal ground, sound | Ulow |
| E3 | #18 | 15 supply | Ubat |
| E4 | #19 | Data signal to audio unit | Digital signal |
| E5 | #20 | Busy signal to audio unit | Digital signal |
| E6 | #21 | Left audio channel | Alternating current when there is sound to the loudspeaker |
| E7 | #22 | Right audio channel | Alternating current when there is sound to the loudspeaker |
| E8 | #23 | Voice guide channel | Alternating current when there is sound to the loudspeaker |
| H | Screen ground, cable to audio unit | Ulow |