navigation LEXUS LS430 2003 Factory User Guide

Fig. 26: Identifying Front DEF Indicator (W/ Lexus Navigation System)
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2. If mode indication is different from the actual air outlet in actuator check, turn the ignition switch
to the ON or START position while pressing the "Rr DEF" and "OFF" switches simultaneously.
STEP motor initialization occurs and the "DEF" indicator blinks.

Fig. 27: Identifying Rear DEF, OFF Switch (W/O Lexus Navigation System)
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Fig. 28: Identifying Rear DEF, OFF Switch (W/ Lexus Navigation System)
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Front A/C

OVERHAUL )
5.REMOVE LUGGAGE COMPARTMENT TRIM COVER ASSY RH (See step 22 on
OVERHAUL
)
6.REMOVE NAVIGATION ECU W/BRACKET
a. Disconnect the connector.
b. Remove the 2 nuts and navigation ECU with bracket.
Fig. 14: Removing Navigation ECU Bracket Nuts

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7.REMOVE NAVIGATION ECU
a. Remove the 2 screws.

Fig. 15: Removing Screws
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b. Remove the navigation ECU with bracket along the guide as shown in the illustration.

Fig. 16: Removing Navigation ECU With Bracket
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c. Remove the 4 screws and 2 brackets.
HINT:
After the replacement, perform the screen noise automatic adjustment when screen noise occurs (see
SCREEN NOISE AUTOMATIC ADJUSTMENT
).

Fig. 23: Removing Clips And Luggage Compartment Trim Cover Assy RH
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6.REMOVE NAVIGATION ECU W/BRACKET (W/ LEXUS NAVIGATION SYSTEM) (See
REPLACEMENT
)
7.REMOVE STEREO COMPONENT TUNER ASSY W/BRACKET (W/O LEXUS NAVIGATION
SYSTEM)
a. Disconnect the connector.
b. Remove the 2 nuts and stereo component tuner assy with bracket.

Fig. 24: Removing Nuts And Stereo Component Tuner Assy
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8.REMOVE STEREO COMPONENT TUNER ASSY W/BRACKET (W/ LEXUS NAVIGATION
SYSTEM)
a. Disconnect the connector.
b. Remove the nut and stereo component tuner assy with bracket.

Fig. 51: Removing Antenna Cord Sub-Assy
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REPLACEMENT
HINT:
See COMPONENTS .
See LOCATION .
Installation is in the reverse order of removal.
1.REMOVE INSTRUMENT PANEL SAFETY PAD SUB-ASSY (See step 19 on REPLACEMENT
)
2.REMOVE NAVIGATION ANTENNA ASSY
a. Remove the 2 screws and navigation antenna assy from the instrument panel safety pad.

Fig. 52: Removing Navigation Antenna Assy Screws
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REPLACEMENT
HINT:
See COMPONENTS .
Installation is in the reverse order of removal.
1.REMOVE INSTRUMENT PANEL FINISH PANEL LOWER CENTER (See step 26 on
REPLACEMENT
)
2.REMOVE CONSOLE PANEL SUB-ASSY UPPER (See step 38 on REPLACEMENT
)
3.REMOVE CIGARETTE LIGHTER ASSY
a. Rotate the socket cap counterclockwise to remove it.
b. Remove the cigarette lighter assy from the cigar-lighter hole bezel.