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.
Data monitor/active test
- Data monitor list
- Turn the ignition switch to OFF.
- Connect the SSM4 to the DLC3.
- Turn the ignition switch to ON.
- Follow the SSM4 display and select [Each System] →[Body Control] →[Data monitor] to bring up the data monitor item list.
- Use the data monitor to judge whether a component is working or not, and to narrow down the location of trouble.
SSM4 screen: [Each System] →[Body Control] →[Data monitor]
| Item name | Description/display range | Normal value | Remarks (Main inspection items during a malfunction) |
|---|---|---|---|
| [BATT voltage (control)] |
|
11 to 14 V | When a malfunction occurs, it may be due to a problem with battery voltage. |
| [BATT voltage (BACKUP)] |
|
11 to 14 V | When a malfunction occurs, it may be due to a problem with battery voltage. |
| [Ignition Power Supply Voltage] |
|
11 to 14 V | When a malfunction occurs, it may be due to a problem with the IG circuit. |
| [ACC voltage] |
|
11 to 14 V | When a malfunction occurs, it may be due to a problem with the ACC circuit. |
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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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