Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
RTI Control Module (To Display)
Before taking any readings, see Connecting the breakout box and checking the ground terminal .
The RTI control module terminals C1-C16 correspond to terminals #25-#40 on the breakout box.
| Control module terminal | Breakout box terminal | Signal Type | Ignition On | Other |
|---|---|---|---|---|
| C1 | #25 | Color signal (red), screen | Analog signal when red color is displayed | 0.714 V p-p |
| C2 | #26 | Color signal (blue), screen | Analog signal when blue color is displayed | 0.714 V p-p |
| C3 | #27 | Screen ground, video signals | Ulow | - |
| C4 | #28 | - | - | - |
| C5 | #29 | - | - | - |
| C6 | #30 | - | - | - |
| C7 | #31 | - | - | - |
| C8 | #32 | Color signal (green), display | Analog signal when green color is displayed | 0.714 V p-p |
| C9 | #33 | Composite synch, display | Analog signal | 0-5 V |
| C10 | #34 | Screen ground, cable to the screen | Ulow | - |
| C11 | #35 | Signal, display remote control | Digital signal | 38 kHz carrier wave when the remote control is pressed |
| C12 | #36 | Serial bus to the display | Digital signal | Half duplex, start-stop synchronizing, 2400 BPS |
| C13 | #37 | - | - | - |
| C14 | #38 | Video signal to display | Analog signal | 1 V p-p +/- 0.2 V |
| C15 | #39 | - | - | - |
| C16 | #40 | - | - | - |
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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