Tohatsu 4.3 inch TOCS LCD screen with GPS

The original Tohatsu LCD screen for Tohatsu outboard motors from 25 hp and up.

We only supply this in combination with an engine.

At Marinaut, this includes the GPS receiver (part number S681-B00034901) with communication cable (3KY-76132-0).
Manufactured by the leading Swiss company Veratron.
The TOCS (Tohatsu Onboard Communication System) 4.3-inch (11 centimeter) LCD screen connects to the CAN bus and communicates directly with the engine's ECU.
Engine data, fault codes, and alarms are displayed on the LCD screen with perfect visibility, even in direct sunlight.

Displayed data

Engine RPM
Engine operating temperature. It is not possible to monitor oil pressure and temperature on the LCD display for MSF25/30, MSF40/50, and MFS75-140.
Battery voltage
Fuel consumption
Tilt/trim gauge* for the 25/30 hp model, you need a 3KY-72575-0 trim sensor and cable 3T1-72573-0, total 225.-
Total engine operating hours
Total fuel consumption
Fuel tank level(s)
Current consumption
Course/speed
Various warnings
Self-diagnosis system
Part number 3ZG-72631-0 / S681K000461010

Mounting and compatibility

Fits within a standard 3 3/8 inch (85 mm) dashboard opening, making this screen the perfect drop-in replacement for an existing tachometer.
The display is fully compatible with Tohatsu outboard motors MFS25C to MFS115A and BFT models, including the self-diagnosis function. Suitable for: MFS 25hp~115hp*: Serial numbers ending in AE or higher and MD 40hp~115hp TLDI: serial numbers ending in AE or higher and All BFT models.
Features a fully 24-bit/16m color optically bonded display with IPS technology for screens and perfect readability, even in direct sunlight.
You can receive a wide range of data from NMEA2000, J1939 CAN Bus, and analog sensors.
Up to four grid layouts are available, allowing different data to be viewed simultaneously.
MFS25/30C requires interface cable 3NV761330 for conversion.
Protection rating front and rear IPX7.
Simple installation, fast startup, and user-friendly.
Operating temperature range -30/70 Celsius (-22/158 Fahrenheit).

Included

Includes silicone protective cover for the screen.
Includes 3 NMEA 2000 T-splitters
Includes 1 NMEA female terminator
Includes 1 NMEA male terminator
Includes 6-meter engine drop cable
Includes 5-meter backbone cable
Includes battery cable
Includes pigtail cable with MX150 connector
Includes EASY LINK connection cable

GPS module

The compact GPS module is an NMEA2000-compatible receiver that provides a TOCS 4.3-inch LCD SCREEN with highly accurate positioning data using GPS/GNSS (Global Navigation Satellite System) with a 10 Hz refresh rate and 72 receiving channels. It offers Plug & Play installation (no calibration required), easy use, and is designed to withstand extreme weather conditions.
With the module, speed is displayed on the LCD screen.
Part number: S681B00034901 GPS MODULE
This Swiss-made GPS module includes an (installation) manual and double-sided tape for mounting.

It is also possible to purchase a set of original analog built-in gauge meters for the same price; tachometer, speedometer, hour meter, trim meter, volt meter, and fuel gauge.

Review Jaap June 2024: Last Saturday we installed the TOCS and everything works perfectly.
It remains a significant purchase, but it is absolutely brilliant.
Installing it is actually very simple.