Telematics Control Unit (TCU): Difference between revisions
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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. | 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. | ||
== Location and access == | == Location and access == | ||
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=== 4G === | === 4G === | ||
[[File:Tcu gen2 4g.webp|thumb|4G TCU from a 2nd-generation Nissan Leaf, attached to its mounting bracket]] | |||
=== 5G === | === 5G === | ||
Revision as of 04:10, 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.
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.
Variants
2G
3G
4G
5G
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 |