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Home >> Lexus >> 2009 >> LS 460 AWD V8-4.6L (1UR-FSE) >> Repair and Diagnosis >> Accessories and Optional Equipment >> Navigation System >> Service Precautions >> Navigation System (for HDD)
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Navigation System (for HDD)








NAVIGATION: NAVIGATION SYSTEM (for HDD): PRECAUTION

PRECAUTION

1. NOTICE FOR INITIALIZATION
NOTE:
When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected.





HINT: After the engine switch is turned off, the HDD navigation system requires approximately 6 minutes to record various types of memory and settings. As a result, after turning the engine switch off, wait 6 minutes or more before disconnecting the cable from the negative (-) battery terminal.

2. PRECAUTIONS WHEN USING TECHSTREAM
(a) When using the Techstream with the engine switch off to troubleshoot: Connect the Techstream to the vehicle, and turn a courtesy light switch on and off at 1.5 seconds intervals until communication between the tester and vehicle begins.
(b) After all DTCs are cleared, check if the trouble occurs again 6 seconds after the engine switch is turned on (IG).
3. NOTICE FOR DISPLAY AND NAVIGATION ASSEMBLY REPLACEMENT
Before replacing the display and navigation assembly, perform the SMART Test Diagnosis Display Detailed Description.
When the SMART Test result is OK, the HDD memory can be copied. Therefore, copy the HDD memory to the new HDD.
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