How To Test and Replace the Neutral Safety Swtich / Inhibitor Switch P0705

How to test an inhibitor switch or neutral safety switch. You'll need a digital multi-meter that's able to test continuity. (Most multi-meters have this function.) Turn up your volume a bit on this one. The battery in my multi-meter was almost depleted and it's a little tough hearing the audible indicator. This was performed on a 1997 Nissan Maxima. Check with your vehicle's repair manual for testing parameters. And don't forget to wear safety glasses.

The inhibitor switch detects the selector position and sends a signal to the A/T control unit. P0705 is a malfunction detected when the A/T control unit does not receive the correct voltage signal from the switch based on the gear position. It comes down to either the harness connector or the inhibitor switch itself.

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Note:
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