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 MANUALSMAZDA20086 S SPORT, 4D HATCHBACK, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 635 (INSTRUMENTATION/DRIVER INFO)INSTRUMENT CLUSTER INPUT/OUTPUT CHECK MODECHECK CODE INSPECTIONCHECK CODE 04
2008 Mazda 6 s Sport, 4D Hatchback, Standard
Check code 04
2008 Mazda 6 s Sport, 4D Hatchback, StandardSECTION Check code 04
WARNING: This page is about a different car, the 2008 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.
CHECK CODE 04 INSPECTION
| Check code 04 | Door switch ON/OFF signal | |||
|---|---|---|---|---|
| STEP | INSPECTION CONDITION | DISPLAY | ACTION | |
| 1 | Open the front driver-side door. (The door switch is on.) | Close the front driver-side door, then go to the next step. | ||
Verify that the voltage of the instrument cluster terminal 2E is 1.0 V or less.
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| 2 | Close all doors.(Door switches are off.) | Verify that the voltage of the instrument cluster terminal 2E is B+.
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| Input signal to the instrument cluster 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.