Telematics Control Unit (TCU): Difference between revisions

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|M173
|M173
|USCAR30-MD-M (USB)
|USCAR30-MD-M (USB)
|USB connection to head unit
|USB connection to [[AV Control Unit]]
|-
|-
|M174
|M174

Revision as of 01:41, 5 April 2025

Introduction

The Telematics Control Unit (TCU) provides connectivity to the Nissan Leaf. It is a 2G, 3G, 4G or 5G modem, depending on the year and region, with additional functionality.

4G TCU from a 2nd-generation Nissan Leaf

Location and access

Left-hand drive

The TCU is located behind the glove box. Access is achieved by removing the glove box.

Right-hand drive

The TCU is located above the pedals.

Connections

Connector Number Physical Description Purpose
M67 TH40FB-NH (40-pin connector) Power, Microphone, CANBUS
M173 USCAR30-MD-M (USB) USB connection to AV Control Unit
M174 FAKRA CODE H 4003 (Pink) GSM antenna
M175 3FA1ANCSJ-C02W0 (Blue) GPS antenna

External Links