| Components |

| NO. | Connector A | NO. | Connector B | NO. | Connector C |
| 1 | - | 1 | GND | 1 | transmission (Tx) |
| 2 | Front center (-) | 2 | Front Left midrange/tweeter(+) | 2 | reception (Rx) |
| 3 | Front center (+) | 3 | Front Left midrange/tweeter(-) | 3 | ? |
| 4 | Subwoofer (-) | 4 | Left Surround (+) | 4 | |
| 5 | Subwoofer (+) | 5 | Left Surround (-) | 5 | |
| 6 | - | 6 | - | 6 | |
| 7 | - | 7 | - | 7 | |
| 8 | Front bass(LH)(+) | 8 | - | 8 | |
| 9 | Front bass(LH)(-) | 9 | - | 9 | |
| 10 | Front bass(RH)(-) | 10 | - | 10 | |
| 11 | Front bass(RH)(+) | 11 | - | 11 | |
| 12 | - | 12 | B (+) | 12 | |
| 13 | left midrange/tweeter(-) | 13 | bass (LH) (-) | 13 | |
| 14 | left midrange/tweeter(+) | 14 | bass (LH) (+) | 14 | |
| 15 | ight midrange/tweeter(-) | 15 | Reserved (-) | 15 | |
| 16 | Right midrange/tweeter(+) | 16 | Reserved (+) | 16 | |
| 17 | bass (RH) (-) | 17 | - | 17 | |
| 18 | bass (RH) (+) | 18 | CAN (-) | 18 | |
| 19 | Front midrange/tweeter(+) | 19 | CAN (+) | 19 | |
| 20 | Front midrange/tweeter(-) | 20 | - | 20 | |
| 21 | Surround(RH) (-) | 21 | IGN1 | 21 | |
| 22 | Surround(RH) (+) | 22 | ACC | 22 |
Removal Take care not to scratch the crash pad and related parts. 1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad side garnish assembly.
Removal 1. Disconnect the negative (-) battery terminal. 2. Open the trunk, remove the left trunk trim. (Refer to Body - "Trunk Trim") 3. Remove the external amplifier (C) after disconnecting the connector (A),(B) and loosening the mounting nuts.
C
Self Diagnosis 1. Self-diagnosis process 2. How to read self-diagnostic code After the display panel blinks three times every 0.5 second, the corresponding fault code blinks on the setup temperature display panel every 0.5 second and will show two figures.