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.
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HOMESERVICE MANUALSMAZDA20133 MAZDASPEED, 2.3L ENG VIN 3REPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALGAUGESINSTRUMENTATION/DRIVER INFOINFORMATION DISPLAY INPUT/OUTPUT CHECK MODECHECK CODE INSPECTIONCHECK CODE 04
2013 Mazda 3 Mazdaspeed, 2.3L Eng VIN 3
Check code 04
2013 Mazda 3 Mazdaspeed, 2.3L Eng VIN 3SECTION Check code 04
| Check code 04 | TNS ON/OFF signal | ||
|---|---|---|---|
| STEP | INSPECTION CONDITION | DISPLAY | ACTION |
| 1 | Turn the light switch to the ON position. | Go to the next step. | |
Verify that the voltage of information display or multi information display terminal 1B is B+
.
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| 2 | Turn the light switch off. | Verify that the voltage of the information display or multi information display terminal 1B is 1.0 V or less
.
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| Input signal to the information display or multi information display is normal. | |||
RENDER: 1.0x
NO RELATED
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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.