Instruments - Multi-Display Functions are Inoperative
ELECTRICALEL006-04
Title:
MULTI-DISPLAY FUNCTIONS
ARE INOPERATIVE
Models:
'04 LS 430 & LX 470
December 14, 2004
Introduction
Some customers may experience various malfunctions occurring with the multi-display. Some examples are:
^ "Audio Off" is shown on audio screen while audio system is playing.
^ Climate control is not responsive and may say "Check connection of the air conditioner."
^ Map, Destination buttons are inoperative and may display "External system not connected."
^ When pressing any button on the multi-display, the system takes 5 to 10 seconds to respond to the user's input.
^ Outside air temperature is not displayed.
A revised multi-display has been developed to resolve these conditions.
NOTE:
If the TX+ or TX- wires are loose at the multi-display, the same symptoms will occur.
Please confirm that all connections at the multi-display are secure and that pin fit of the TX+ and TX- wiring is good before ordering a replacement multi-display.
Applicable Vehicles
^ 2004 model year LS 430 and LX 470 vehicles equipped with the Lexus navigation system.
Warranty Information
Applicable Warranty*:
This repair is covered under the Lexus Comprehensive Warranty. This warranty is in effect for 48 months or 50,000 miles, whichever occurs first, from the vehicle's in-service date.
* Warranty application is limited to correction of a problem based upon a customer's specific complaint.
Parts Information
Repair Procedure
1. Check all the TX terminals on the multi-display connectors (please see connector diagrams) and confirm the terminals are fully seated. Replace any damaged terminals or connectors.
2. Confirm the connectors to the multi-display are fully seated. Replace any damaged connectors.
3. If all the TX terminals are tight and the connectors are fully seated, replace the multi-display.
NOTE:
^ For LS 430 multi-display Removal and Replacement, refer to the Technical Information System (TIS), 2004 model year LS 430 Repair Manual: Instrument Panel/Meter: Instrument Panel Safety Pad Sub-assy: Replacement.
^ For LX 470 multi-display Removal and Replacement, refer to TIS, 2004 model year GLX 470 Repair Manual: Body (Mechanical): Instrument Panel: Removal (LX470).
LS 430 Multi-display Connector:
LX 470 Multi-display Connectors: