Main unit connections (26-pin)
WARNING: This page is about a different car, the 2006 Saab 9-5. However, it is still accessible from the selected car via links, so may be relevant.
> = greater than; < = less than; ~ = AC voltage (LP: LOGIC PROBE P = select pulse; p = visible pulses)
COMPONENT FUNCTION
| Pin no. | Lead colour | Component/Function | In/Out | Test conditions | Across | Test reading | See |
|---|---|---|---|---|---|---|---|
| 1 | No connection | ||||||
| 2 | RD/BU | Power supply +15 | In | Ignition ON. | 2-4 | B+ | See MAIN UNIT POWER SUPPLY |
| 3 | No connection | ||||||
| 4 | BK | Ground | 4 - good grounding point. | <0.5V | See MAIN UNIT GROUND | ||
| 5 | BK/WH | Mute control | Out | The ignition is switched on. | 8-5 | <1 V after approx. 1 sec. B+ for approx. 10 sec. | See AUDIO SYSTEM |
| The ignition is switched off. | 8-5 | ||||||
| 6 | YE | Telephone mute | In | No telephone call. | 6-4 | 4-6 V | See TELEPHONE CONNECTION |
| Telephone call. | 6-4 | <2 V | |||||
| 7 | GN | Trigger voltage: | Out | Main unit on. | 7-4 | See AUDIO SYSTEM | |
| 8 | RD | Power supply +30 | In | 8-4 | B+ | See MAIN UNIT POWER SUPPLY | |
| 9 | BN/RD | Line output, rear right (-) | Out | Music playing. | 9-4 | 0-2 V AC. Dependent on volume control. The test reading should vary with the volume of the music. | See AUDIO SYSTEM |
| 10 | BU | Line output, front right (-) | Out | Music playing. | 10-4 | 0-2 V AC. Dependent on volume control. The test reading should vary with the volume of the music. | AUDIO SYSTEM |
| 11 | RD/WH | Line output, front left (-) | Out | Music playing. | 11-4 | 0-2 V AC. Dependent on volume control. The test reading should vary with the volume of the music. | See AUDIO SYSTEM |
| 12 | OG/WH | Line output, rear left (-) | Out | Music playing. | 12-4 | 0-2 V AC. Dependent on volume control. The test reading should vary with the volume of the music. | See AUDIO SYSTEM |
| 13 | GY | Line output, rear right (+) | Out | Music playing. | 13-4 | 0-2 V AC. Dependent on volume control. The test reading should vary with the volume of the music. | AUDIO SYSTEM |
| 14 | RD | Line output, front right (+) | Out | Music playing. | 14-4 | 0-2 V AC. Dependent on volume control. The test reading should vary with the volume of the music. | See AUDIO SYSTEM |
| 15 | BU/WH | Line output, front left (+) | Out | Music playing. | 15-4 | 0-2 V AC. Dependent on volume control. The test reading should vary with the volume of the music. | See AUDIO SYSTEM |
| 16 | YE/WH | Line output, rear left (+) | Out | Music playing. | 16-4 | 0-2 V AC. Dependent on volume control. The test reading should vary with the volume of the music. | See AUDIO SYSTEM |
| 17 | WH | I-BUS (-) | In/Out | Ignition ON. | 17-4 | 2-3 V | See BUS MESSAGE, TELEPHONE (AUDIO) |
| 18 | GN | I-BUS (+) | In/Out | Ignition ON. | 18-4 | 2-3 V | See BUS MESSAGE, TELEPHONE (AUDIO) |
| 19 | No connection | ||||||
| 20 | BK | CD changer RH line input (-) | In | Music playing. | 20-21 | 0-2 V AC. The test reading should vary with the volume of the music. | See AUDIO SYSTEM |
| 21 | BN | CD changer RH line input (+) | In | Music playing. | 21-20 | 0-2 V AC. The test reading should vary with the volume of the music. | See AUDIO SYSTEM |
| 22 | BK | Phone line input, ground | In | See TELEPHONE CONNECTION | |||
| 23 | GY/WH | Phone line input, signal | In | See TELEPHONE CONNECTION | |||
| 24 | No connection | ||||||
| 25 | RD/WH | CD changer LH line input (-) | In | Music playing. | 25-26 | 0-2 V AC. The test reading should vary with the volume of the music. | See AUDIO SYSTEM |
| 26 | BU/WH | CD changer RH line input (+) | In | Music playing. | 26-25 | 0-2 V AC. The test reading should vary with the volume of the music. | See AUDIO SYSTEM |