Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSAUDI2005A4 BASE, 4D SEDAN, 3.0 TREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTSTEERING COLUMN SWITCHESCOMMUNICATION91 - COMMUNICATIONNAVIGATION SYSTEM II-D (NAVIGATION SYSTEM PLUS)OPERATING ELECTRONICS, NAVIGATION CONTROL MODULE J402 , REMOVING AND INSTALLING

2005 Audi A4 Base, 4D Sedan, 3.0 T

Operating Electronics, Navigation Control Module J402 , removing and installing

2005 Audi A4 Base, 4D Sedan, 3.0 TSECTION Operating Electronics, Navigation Control Module J402 , removing and installing

Special tools, testers and auxiliary items required

Fig 1: Identifying Special Tools - Radio Removal Tool T10057

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Radio removal tool T10057

Turn off all electrical components.
Remove ignition key.

Removing

Fig 2: Placing Radio Release Tool T10057 In Release Slits On Operating Electronics, Navigation Control Module J402

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Place Radio Release Tool T10057 in release slits on Operating Electronics, Navigation Control Module J402 until they engage. Points on grip eyes face outward.
Remove Operating Electronics, Navigation Control Module J402 from instrument panel.
Release connectors on Operating Electronics, Navigation Control Module J402 and remove it.
Remove Radio Release Tool T10057 by pressing locking tabs on Radio R.

Installing

Connect all harness connectors.
Carefully slide Operating Electronics, Navigation Control Module J402 into instrument panel and allow it to engage in installation frame.
Perform adaptations and coding on Operating Electronics, Navigation Control Module J402 if necessary.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.