CD-ROM Changer (To RTI Control Module And "Chassis")
Before taking any readings, see Connecting the breakout box and checking the ground terminal .
CD-ROM changer terminals K1-K5 correspond to #26-#30 on the breakout box.
| Control module terminal | Breakout box terminal | Signal type | Ignition on | Other |
|---|---|---|---|---|
| K1 | #26 | Ground (Measured to battery negative terminal) | Ulow | - |
| K2 | #27 | 30-supply (power supply from battery) | Ubat | - |
| K3 | #28 | Signal (+) with map information from the CD-ROM changer | Digital signal | VH
= 0.68 +/- 0.2 V, VL = 0.5 +/- 0.1 V |
| K4 | #29 | Screen ground, signal cables to CD-ROM changer | Ulow | - |
| K5 | #30 | Signal (-) with map information from the CD-ROM changer | Digital signal | VH
=0.68 +/- 0.2 V, VL =0.5 +/- 0.1 V |