Radio/Navigation Display Control Module -J503-, Removing and Installing

Radio/Navigation Display Control Module -J503-, Removing And Installing

NOTE:
- The replacement part number is printed on a sticker on the unit housing. Always confirm proper application.
- Before removing Radio - Radio/Navigation control head unit, obtain anti-theft security code from customer. If unit is replaced, ensure anti-theft security code is activated (see owner's manual). The new code number must be given to the customer.
- If a Radio/Navigation unit from a vehicle is installed into a different vehicle, it is essential that the part number of the replacement unit is the same as unit previously installed. Otherwise the Navigation system will malfunction due to turn angle sensor settings in the Radio/Navigation unit that are incompatible with the vehicle.

Special tools, testers, and auxiliary items needed
- Recommended: Radio removal tool JC4225.







- Optional: T10057 Release tool

Two complete sets of release tool T10057 are required.

Removing

CAUTION:
Before beginning repairs on the electrical system:
- Obtain the anti-theft radio security code.
- Remove any CDs which may have been left in CD player.
- Switch off all electrical consumers.
- Switch ignition off and remove ignition key.







- Insert tools into openings in face of unit -arrows- until they engage.

NOTE: Use of separate tools T10057 is illustrated here. Procedure is essentially the same for tool JC4225 where all release prongs are integrated into a frame







- Pull radio from instrument panel opening using handles on tools T10057 or frame of tool JC4225 -arrows- until electrical connections on rear of unit are accessible.







- Press connector locks -1- together and pull locking arm -2- upwards -arrow-
- Release and separate remaining electrical connections.







- Press lock -arrow- and pull out release tool from unit.

Installing
- Reconnect electrical connections and lock into position.
- Slide unit straight into instrument panel opening until it engages in assembly frame.

CAUTION: In the event of a collision where occupants may make contact with interior trim, some interior knobs and buttons are designed to break away in a controlled manner in order to protect the occupant. When installing the radio unit, do not press on control buttons or display in order to engage locking tabs. Damage will result.

- Check operation, code or recede as necessary.
- Coding radio system in Radio/Navigation system.
- Coding Navigation system in Radio/Navigation system.