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.
Park/Neutral Position (PNP) Switch Test
Disconnect Park/Neutral Position (PNP) switch connector. See COMPONENT LOCATIONS . Check for continuity between specified terminals of PNP switch. See PARK/NEUTRAL POSITION (PNP) SWITCH CONTINUITY SPECIFICATIONS table. See Fig 1. If continuity is not as specified, replace PNP switch.
| Application & Gearshift Position | Continuity Between Terminals No. | |
|---|---|---|
| ES300 & RX300 | ||
| P | 2 & 7; 5 & 6 | |
| R | 2 & 8 | |
| N | 2 & 9; 5 & 6 | |
| D | 2 & 10 | |
| 2 | 2 & 3 | |
| L | 2 & 4 | |
| GS300 & GS400 | ||
| P | 4 & 7; 5 & 6 | |
| R | 4 & 8 | |
| N | 4 & 10; 5 & 6 | |
| D, 4 (Or M) | 4 & 9 | |
| 3 | 2 & 4 | |
| 2, L | 2 & 3 | |
| LS400 | ||
| P | 4 & 7; 5 & 6 | |
| R | 4 & 8 | |
| N | 4 & 10; 5 & 6 | |
| D, 4 | 4 & 9 | |
| 3 | 2 & 4 | |
| 2, L | 3 & 4 | |
| SC300 & SC400 | ||
| P | 4 & 7; 5 & 6 | |
| R | 4 & 8 | |
| N | 4 & 10; 5 & 6 | |
| D, 3 | 4 & 9 | |
| 2 | 2 & 4 | |
| L | 3 & 4 | |
Use the Manual With the Right Hardware
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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.