Toyota 24-Pin Audio & Navigation Head Unit Wire Harness Connector – Male & Female OEM | Entune / Display Audio / JBL

This 24-pin connector is used in Toyota audio and navigation head unit harnesses. Toyota’s factory infotainment systems — including Display Audio, Entune, and JBL premium audio platforms — use a 24-pin connector to integrate all head unit circuits: audio output to speakers and amplifier, navigation GPS antenna, backup camera signal, CAN bus, Bluetooth module, USB data, power, ground, and accessory control. Available in Male, Female, and a 20cm Male-and-Female pair for harness extension, bare or with 15cm pre-wired leads.

Key Specifications

• Pin count: 24-pin
• Gender options: Male / Female / Male-and-Female pair
• Housing material: Nylon (PA66)
• Available as: Bare connector / 15cm pre-wired / 20cm Male-and-Female pair
• Application: Audio and navigation head unit harness
• Compatible brands: Toyota, Lexus

Toyota 24-Pin Head Unit – Circuit Breakdown

• Pins 1–4: Front speaker output (Left +/−, Right +/−)
• Pins 5–8: Rear speaker output (Left +/−, Right +/−)
• Pins 9–10: Subwoofer output (+/−)
• Pins 11–12: GPS antenna signal and ground
• Pins 13–14: Backup camera video signal and ground
• Pins 15–16: CAN bus (CAN High / CAN Low — infotainment CAN)
• Pins 17–20: USB data (D+, D−, VBUS, GND)
• Pin 21: Ignition-switched power (ACC)
• Pin 22: Constant power (battery backup for memory)
• Pin 23: Ground (chassis earth)
• Pin 24: Illumination / dimmer control

Toyota Infotainment Platform Guide

• Display Audio (2018–present): Toyota’s current infotainment platform with Apple CarPlay and Android Auto. Used in Camry XV70, Corolla E210, RAV4 XA50, Hilux AN120/AN130. The 24-pin connector carries all Display Audio circuits.
• Entune 3.0 (2017–2021): Toyota’s previous-generation connected infotainment platform. Used in Camry XV70 (early), C-HR, Prius (XW50). Same 24-pin connector family.
• JBL Premium Audio (2015–present): JBL-branded premium audio system available as an option on Camry, RAV4, and Lexus models. Uses the same 24-pin connector with additional amplifier control circuits.

Common Fault Symptoms from Head Unit Connector Degradation

• Audio dropout or complete audio system failure
• Navigation GPS signal lost or navigation not loading
• Backup camera not displaying on reverse
• Bluetooth not connecting or dropping calls
• USB ports not recognizing devices
• Head unit screen blackout or intermittent restart

Compatible Toyota / Lexus Models

• Toyota Camry: XV50 (2011–2017), XV70 (2017–present)
• Toyota Corolla: E170 (2013–2019), E210 (2019–present)
• Toyota RAV4: XA40 (2012–2018), XA50 (2018–present)
• Toyota Hilux: AN120/AN130 (2015–present)
• Toyota Land Cruiser: J200 (2007–2021), J300 (2021–present)
• Toyota C-HR: AX10 (2016–present)
• Lexus ES: XV60 (2012–2018), XV70 (2018–present)
• Lexus IS: XE30 (2013–present)
• Lexus GS: L10 (2011–2020)

Frequently Asked Questions

Q: Can I use the 20cm pair for aftermarket head unit installation?
A: Yes. The 20cm Male-and-Female pair is commonly used as a harness adapter for aftermarket head unit installations where the original connector must be preserved on the vehicle harness side. The female connector stays on the vehicle harness; the male connector connects to the aftermarket head unit wiring adapter.

Q: My backup camera stopped working after a head unit replacement — is this the connector?
A: Yes. The backup camera signal runs through the 24-pin head unit connector (pins 13–14). If these pins are corroded or the connector is not fully seated, the backup camera signal will not reach the head unit. Check connector seating and pin condition before replacing the camera or head unit.

Q: What diagnostic tool do I need for Toyota infotainment fault codes?
A: Toyota Techstream (dealer tool) or Techstream-compatible interfaces (Mini VCI, Mongoose Pro) for full access to Toyota infotainment module fault codes. For basic diagnostics, a generic OBD-II scanner can read U-codes for infotainment module communication faults.