RTI Control Module
Before taking any readings, see CONNECTING THE BREAKOUT BOX AND CHECKING THE GROUND TERMINAL .
The RTI control module terminals A1-A22 correspond to terminals #1-#22 on the breakout box.
| Control module terminal | Breakout box terminal | Signal type | Ignition on | Other |
|---|---|---|---|---|
| A1 | #1 | 30-supply (power supply from battery) | Ubat | - |
| A2 | #2 | - | - | - |
| A3 | #3 | - | - | - |
| A4 | #4 | - | - | - |
| A5 | #5 | - | - | - |
| A6 | #6 | - | - | - |
| A7 | #7 | Signal (+) with map information from the CD-ROM changer | Digital signal | VH
=0.68 +/- 0.2 V, VL =0.5 +/- 0.1 V |
| A8 | #8 | - | - | - |
| A9 | #9 | - | - | - |
| A10 | #10 | CANH signal | U = 2-3 V | - |
| A11 | #11 | Ground (Measured to battery negative terminal) | Ulow | - |
| A12 | #12 | - | - | - |
| A13 | #13 | - | - | - |
| A14 | #14 | - | - | - |
| A15 | #15 | - | - | - |
| A16 | #16 | - | - | - |
| A17 | #17 | - | - | - |
| A18 | #18 | - | - | - |
| A19 | #19 | Signal (-) with map information from the CD-ROM changer | Digital signal | VH
=0.68 +/- 0.2 V, VL =0.5 +/- 0.1 V |
| A20 | #20 | Screen ground, signal cables to CD-ROM changer | Ulow | - |
| A21 | #21 | - | - | - |
| A22 | #22 | CANL signal | U = 2-3 V | - |