Toyota 6-Pin 2.3mm Audio Connector MG620153 / MG610152 — Head Unit & Combination Switch Wiring Plug

Toyota 6-Pin 2.3mm Audio Connector — MG620153 / MG610152

Part Numbers: MG620153 (female/receptacle) / MG610152 (male/plug)
OEM Application: Toyota Head Unit & Combination Switch Wiring Harness

The MG620153 / MG610152 connector pair is a Toyota OEM 6-pin, 2.3mm pitch wiring connector used in audio system and combination switch harnesses across a wide range of Toyota and Lexus vehicles. This connector appears at the junction between the steering column combination switch (which carries audio control, cruise control, and phone button signals) and the main instrument panel harness — as well as in some head unit wiring harness applications. When this connector is damaged during a head unit upgrade, steering wheel control installation, or combination switch replacement, the result is loss of audio controls, cruise control, or phone button functionality. This OEM-specification replacement restores full harness connectivity without cutting or splicing.

Technical Specifications

• Part Numbers: MG620153 (female) · MG610152 (male)
• Pin Count: 6-pin
• Terminal Pitch: 2.3mm
• Application: Audio system harness / combination switch wiring connector
• Housing Material: PA66 — heat-stabilized, chemical-resistant
• Terminal Material: Copper alloy, tin-plated — low contact resistance
• Operating Temperature: -40°C to +105°C
• Sealing: Unsealed (interior/cabin application)
• Wire Gauge: 0.3–0.85 mm² (AWG 22–18) — signal-level wiring
• Locking: Positive-latch retention tab
• Voltage: 12V DC

Vehicle Compatibility & Applications

• Toyota Camry (XV40/XV50/XV70) — combination switch harness connector, audio control wiring plug
• Toyota Corolla (E140/E160/E210) — steering column combination switch connector, head unit harness plug
• Toyota RAV4 (XA30/XA40/XA50) — audio system harness connector
• Toyota Prius (XW20/XW30/XW50) — combination switch and audio control wiring connector
• Toyota Hilux (AN120/AN130) — combination switch harness plug on higher trim levels
• Toyota Land Cruiser Prado (J150) — audio and combination switch harness connector
• Toyota Yaris / Vios — head unit wiring harness connector on mid/high trim levels
• Lexus IS / ES / RX — combination switch and audio control harness connectors on shared Toyota platforms

Why This Connector Gets Damaged

The MG620153 / MG610152 connector is one of the most commonly damaged during aftermarket audio and steering wheel control installations. When fitting an aftermarket head unit or steering wheel control interface module, technicians must disconnect the OEM audio harness — and the 2.3mm pitch connector is small enough that the locking tab is easily broken when the connector is pulled rather than released. In combination switch replacement scenarios, the connector is also frequently damaged when the steering column shroud is removed without fully disconnecting the harness. A replacement connector is a clean, professional repair that avoids the reliability issues of tape-and-splice fixes on signal-level audio wiring.

Global Market & Regional Notes

Toyota is the world's best-selling automotive brand, and aftermarket audio upgrades are among the most popular vehicle modifications globally. This connector is in active demand across Japan, Australia, New Zealand, Southeast Asia (Thailand, Indonesia, Malaysia, Philippines, Vietnam), the Middle East (UAE, Saudi Arabia, Kuwait), South Africa, and Latin America (Brazil, Chile, Colombia). In Thailand — Toyota's largest production hub outside Japan — this connector is widely available through Toyota dealers and aftermarket audio suppliers. In Australia, it is a standard stock item for Toyota specialists and car audio installation workshops.

Installation Notes

• Disconnect the vehicle battery before working on audio or combination switch wiring
• Use a 2.3mm terminal extraction pick — do not pull on the wire
• When replacing after a head unit upgrade, confirm the new connector matches the OEM harness pinout before crimping
• Apply contact grease to terminals in high-humidity environments
• Test all audio controls and steering wheel buttons after replacement before reassembling the dashboard

Package Contents

• 1 × MG620153 6-Pin Female Connector Housing
• 1 × MG610152 6-Pin Male Connector Housing
• Terminals included (confirm at checkout)

Ideal for car audio workshops, Toyota specialists, and steering wheel control installation technicians. Contact us for bulk pricing.

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