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.
Ignition Signal: Wiring Diagram
For PG, go to POWER SUPPLY, GROUND & CIRCUIT ELEMENTS .
Specification data are reference values and are measured between each terminal and ground.
| TERMINAL NO. | WIRE COLOR | ITEM | CONDITION | DATA (DC Voltage) |
|---|---|---|---|---|
| 24 | R/B | ECM relay (Self shut-off) | [Engine is running] [Ignition switch: OFF]
|
0 - 1.0V |
[Ignition switch: OFF]
|
BATTERY VOLTAGE (11 - 14V) | |||
| 105 | G | Power supply for ECM | [Ignition switch: ON] | BATTERY VOLTAGE (11 - 14V) |
For PG, go to POWER SUPPLY, GROUND & CIRCUIT ELEMENTS .
Specification data are reference values and are measured between each terminal and ground. Pulse signal is measured by CONSULT-III.
| TERMINAL NO. | WIRE COLOR | ITEM | CONDITION | DATA (DC Voltage) |
|---|---|---|---|---|
| 9 10 11 21 |
Y BR/Y V G |
Ignition signal No. 3 Ignition signal No. 2 Ignition signal No. 1 Ignition signal No. 4 |
[Engine is running]
|
|
[Engine is running]
|
||||
| *: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.) | ||||
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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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