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 MANUALSMAZDA2013MX-5 MIATA GRAND TOURING, AUTOMATIC TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALGAUGESINSTRUMENTATION/DRIVER INFOINSTRUMENT CLUSTER INPUT/OUTPUT CHECK MODECHECK CODE INSPECTIONCHECK CODE 08
2013 Mazda MX-5 Miata Grand Touring, Automatic Trans
Check code 08
2013 Mazda MX-5 Miata Grand Touring, Automatic TransSECTION Check code 08
CODE INSPECTION CONDITION CHART
| Check code 08 | TNS relay ON/OFF signal | ||
|---|---|---|---|
| STEP | INSPECTION CONDITION | DISPLAY | ACTION |
| 1 | Turn the headlight switch to the TNS position. (TNS relay ON). | on | Go to the next step. |
| oFF | Verify that the voltage of instrument cluster terminal 1B is B+
.
|
||
| 2 | Turn the headlight switch off. (TNS relay OFF). | on | Verify that the voltage of the instrument cluster terminal 1B is 1.0 V or less.
|
| oFF | 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.