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.
Signal Specification
General
All the values given below are between the terminals stated in column 2 and terminal #B4 column 1 (power ground).
It is important to connect the breakout box and check the ground terminals before taking readings.
| U= | DC voltage in volts (V) | ||
| Ubat = | Battery voltage (V) | ||
| Ulow = | Voltage approximately 0 V | ||
| Terminal Control module | Terminal Breakout box | Signal type | Ignition off | Ignition on | Other |
|---|---|---|---|---|---|
| #A1 | - | Right turn signal lamp | - | - | - |
| #A2 | - | +12 V voltage | 0 V | Ubat | - |
| #A3 | - | Stop lamp, left | - | - | - |
| #A4 | - | - | - | - | - |
| #A5 | - | - | - | - | - |
| #A6 | - | Back-up (reversing) lamps | - | - | - |
| #A7 | - | Stop lamp, right | - | - | - |
| #A8 | - | Fog lamps | - | - | - |
| #A9 | - | - | - | - | - |
| #A10 | - | Left turn signal lamp | - | - | - |
| #A11 | - | - | - | - | - |
| #A12 | - | Parking lamps | - | - | - |
| Terminal Control module | Terminal Breakout box | Signal type | Ignition off | Ignition on | Other |
|---|---|---|---|---|---|
| #B1 | #22 | CAN H | - | - | During communication the voltage is 2.5-4.0 V. |
| #B2 | #23 | CAN L | - | - | During communication the voltage is 1.0-2.5 V. |
| #B3 | #24 | Stop lamp, input signal | - | - | - |
| #B4 | #25 | Ground | Ulow | U low | - |
| #B5 | #26 | - | - | - | - |
| Terminal Control module | Terminal Breakout box | Signal type | Ignition off | Ignition on | Other |
|---|---|---|---|---|---|
| #C1 | #31 | - | - | - | - |
| #C2 | #32 | 30 supply | U bat | U bat | Ignition position 0, I, II and III. |
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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