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.
2021 Mazda 3 BaseFACTORY OEM SERVICE PROCEDURE
Not P Position Switch Inspection
NOTE:
- The not P position switch is built into the selector lever component.
- Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US) .)
- Remove the following parts:
- Selector lever knob (See SELECTOR LEVER COMPONENT REMOVAL/INSTALLATION .)
- Shift panel (See SHIFT PANEL REMOVAL/INSTALLATION .)
- Front console box (See FRONT CONSOLE BOX REMOVAL/INSTALLATION .)
- Cup holder (See CUP HOLDER REMOVAL/INSTALLATION .)
- Side wall (See SIDE WALL REMOVAL/INSTALLATION .)
- Rear console (See REAR CONSOLE REMOVAL/INSTALLATION (US) .)
- Rear console bracket No. 1 (See REAR CONSOLE REMOVAL/INSTALLATION (US) .)
- Disconnect the selector lever component connector.
- Verify that the continuity between selector lever component terminals C and G.
- If not as verified, replace the selector lever component. (See SELECTOR LEVER COMPONENT REMOVAL/INSTALLATION .)
Not P position switch specification
| Test condition | Continuity |
|---|---|
| Selector lever is in the P position. | No continuity |
| Selector lever is not in the P position. | Continuity |
Factory Service Tools
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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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