Radio/Navigation Display Unit Control Module -J503-

Removing 

-- If there is a CD still in the player, remove it.

-- Turn off the ignition and all electrical consumers and remove the ignition key.

-- Remove the instrument panel center trim, refer to Description and Operation .

-- Remove the screws -arrows- from the Radio/Navigation Display Unit Control Module -J503- -1-.

-- Pull the Radio/Navigation Display Unit Control Module -J503- -1- out of the slot just far enough until the connectors on the back side are accessible.

Connectors -1- through -6- :

1. Connector, Quad Block
2. Not Assigned
3. Connector, Radio Antenna
4. Connector, Radio Antenna
5. Connector for Video Signals
6. Connector, DAB (Digital Audio Broadcasting)/satellite tuner antenna

-- Squeeze the tabs on the connector -arrows-.

-- Move the locking bracket in direction of the -arrow-. The connector will be pushed out at the same time.

-- Push the retainer -A- onto the audio/video connector and move the mount in direction -B-. The connector will be pushed out at the same time.

-- Unlock the antenna connections -arrows- and disconnect the connectors.

Installing 

Install in reverse order of removal. Note the following:

Never push directly on the display or the buttons when inserting the radio/navigation display unit control module -J503-. Doing so could damage the Radio/Navigation Display Unit Control Module -J503-.

-- Check the coding, and re-code again, refer to Vehicle Diagnostic Tester.

Tightening Specifications 

• Refer to NAVIGATION SYSTEM COMPONENT LOCATION .