Canada - Instruments - Multi-Display Functions Inoperative
BulletinTSB2063R
Issue Date
January 14, 2005
Title
MULTI-DISPLAY FUNCTIONS ARE INOPERATIVE
Component
BODY ELECTRICAL
Models
'04 LX 470 and LS 430
TSB REVISION NOTICE:
- July 25, 2005: A note under Parts Information section has been added.
Previous versions of this TSB should be discarded.
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 LX 470 and LS 430 vehicles equipped with the Lexus navigation system.
WARRANTY INFORMATION:
PARTS INFORMATION:
REPAIR PROCEDURES:
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 LX 470 multi-display Removal & Replacement, refer to ETAS, 2004 model year LX 470 Repair Manual: Body (Mechanical): Instrument Panel: Removal (LX470).
- For LS 430 multi-display Removal & Replacement, refer to ETAS, 2004 model year LS 430 Repair Manual: Instrument Panel/Meter: Instrument Panel Safety Pad Subassembly: Replacement.
LS 430 Multi-Display Connectors:
LX 470 Multi-Display Connectors:
NOTE:
Issue of this Technical Service Bulletin is to ensure that proper repair information is available. IT DOES NOT CONSTITUTE AN AUTHORIZATION FOR REPAIR. Normal provisions of the formal warranty policy, as applicable, will apply.