Open the Hidden Diagnostic Menu

Last updated: June 11, 2026

The Nissan Juke (F15, 2010–2019) carries a factory self-check buried in its instrument cluster that you can run yourself in under a minute. Officially it is the combination meter self-diagnosis mode, and it turns the dashboard into a rolling test rig: needles sweep, every warning lamp lights, and the trip display cycles through its segments. If your fuel gauge reads oddly or a telltale looks dim, this tells you whether the cluster is the problem — with no diagnostic tool at all.

What the hidden mode shows

The Mk1 Juke uses a unified meter control unit driving analogue speedometer and tachometer needles, a fuel and temperature gauge, and a dot-matrix LCD. The self-diagnosis routine drives each part so you can watch for failures:

• Gauge sweep — speedometer, tachometer, fuel and coolant pointers move from zero to maximum and back; a needle that does not move is a flagged fault.
• All LCD segments on the odometer and trip meter illuminate, exposing missing or dead blocks.
• Every warning and indicator lamp the cluster controls lights at once, ignoring the real switch states — a quick bulb/LED check.
• Live data including battery voltage held by the meter and the driver’s seat-belt buckle switch status.

How to enter the self-diagnosis mode

1. With the ignition ON, switch the odo/trip display to Trip A or Trip B using the trip stalk button, then turn the ignition fully OFF.
2. Press and hold the odo/trip reset button.
3. While holding it, turn the ignition back ON (do not start the engine).
4. Press the odo/trip reset button at least three times within seven seconds of the ignition coming on.

The cluster enters the mode: the LCD dots flash alternately, all odo/trip segments light, and the fuel and temperature gauges drop to zero with the low-fuel indicator on.

Stepping through the tests

Each further press of the reset button advances to the next stage — the needle sweep, the full-segment LCD test, the all-lamps illumination, then the live-data screens (battery voltage, seat-belt switch state). Watch each gauge complete its sweep; if one pointer stays still while the others move, that gauge circuit or the cluster is at fault rather than the underlying sensor.

How to exit

The mode runs only while the ignition is ON and ends as soon as you switch it OFF. It also cancels on its own if the reset button is left untouched for about 20 seconds. Nothing is altered — odometer, trips and settings stay exactly as they were.

Frequently Asked Questions

Does my Juke need the engine off for this? Yes — turn the ignition to ON only (accessory/run), engine not started, so the cluster is powered but the car is stationary.

Will this read my check-engine fault? No. It only shows codes internal to the cluster. To read the engine, ABS or airbag system you still need an OBD-II scanner.

The fuel gauge needle did not sweep — is the sender faulty? Not necessarily. If the needle fails the sweep test, the fault is in the gauge or cluster itself, not the tank sender. A sender fault would still let the needle sweep in this test.

Why must I select Trip A or B first? It primes the meter into the state the routine expects; skipping it is a common reason the mode refuses to start.

Can I damage anything by running it? No. The self-test is read-only, writes nothing to memory, and can be repeated freely.

If a warning lamp is still lit once the cluster passes its self-test, the next step is to decode the actual fault — look the trouble code up at autodtcs.com to understand what it means before spending any money.