instrument panel LEXUS LS430 2003 Factory Repair Manual

CIRCUIT DESCRIPTION
The acceleration sensors (assy) detect up-and-down acceleration of the vehicle. The acceleration sensors (assy)
3 in total are mounted in the absorber control ECU, at the forward of the glove compartment door at the
instrument panel safety pad position and in the rear luggage, and detect up-and down acceleration of the
vehicle, respectively. The acceleration sensors (assy) convert the resistance into electrical signals and output to
the absorber control ECU.
Fig. 47: DTC C1715 And DTC C1793 DTC Detecting Condition And Trouble Area

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
HINT:
DTCs C1715 and C1791 are for the right front acceleration sensor assy.
DTCs C1716 and C1792 are for the left front acceleration sensor (left front acceleration sensor is a built-
in equipment).
DTCs C1717 and C1793 are for the rear acceleration sensor.
DTCs C1791, C1792 and C1793 are output only in the test mode.
WIRING DIAGRAM

Fig. 6: Identifying CD Indicator Blinking Light
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2.REMOVE INSTRUMENT PANEL FINISH PANEL LOWER CENTER (See step 26 on
REPLACEMENT
)
3.REMOVE PANEL INSTRUMENT CLUSTER FINISH LOWER (See step 27 on
REPLACEMENT
)
4.REMOVE RADIO RECEIVER ASSEMBLY W/BRACKET
a. w/o Multi-display:
Remove the 2 bolts and disengage the 5 clips.

1.SHIP MODE SETTING (See REPLACEMENT )
2.REMOVE INSTRUMENT PANEL FINISH PANEL LOWER CENTER (See step 26 on
REPLACEMENT
)
3.REMOVE PANEL INSTRUMENT CLUSTER FINISH LOWER (See step 27 on
REPLACEMENT
)
4.REMOVE RADIO RECEIVER ASSEMBLY W/BRACKET (See REPLACEMENT
)
5.SHIP MODE CONFIRMATION (See REPLACEMENT
)
6.REMOVE TEMPERATURE CONTROL SWITCH ASSY
a. Disengage the 2 claws.
b. Disconnect the connector and remove the temperature control switch assembly.
c. Perform the same procedure on the other side.
Fig. 11: Disengaging Claws

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7.REMOVE INSTRUMENT CLUSTER FINISH PANEL SUB-ASSY CENTER
a. Remove the 4 bolts.
b.Disengage the 4 clips.

c. Disconnect the connector and remove the instrument cluster finish panel sub-assy center.
Fig. 12: Removing Bolts And Clips

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
8.REMOVE MULTI-DISPLAY
a. Remove the 4 screws and multi-display.
HINT:
After the replacement, perform the screen noise automatic adjustment when screen noise occurs (see
SCREEN NOISE AUTOMATIC ADJUSTMENT
).

REPLACEMENT
HINT:
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 FRONT NO. 2 SPEAKER ASSY
a. Disconnect the connector.
b. Disengage the clip.
c. Remove the 2 nuts and front No. 2 speaker assy.
d. Perform the same procedure on the other side.
Fig. 35: Removing Nuts And Clip

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

1.REMOVE SWITCH BASE HOLE COVER (See REPLACEMENT )
2.REMOVE INSTRUMENT PANEL SAFETY PAD SUB-ASSY NO. 1 (See step 19 on
REPLACEMENT
)
3.REMOVE CLEARANCE WARNING BUZZER NO. 1
a. Disconnect the connector.
b. Disengage the clip and remove the clearance warning buzzer No. 1.
Fig. 46: Removing Clearance Warning Buzzer No. 1 Clip

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
REPLACEMENT
HINT:
See COMPONENTS - FIXED , COMPONENTS - POWER ADJUSTER , COMPONENTS -BACK
WINDOW GLASS .
See LOCATION .
Installation is in the reverse order of removal.

Fig. 51: Removing Antenna Cord Sub-Assy
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
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
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
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.

Fig. 53: Removing Cigarette Lighter Assy
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
4.INSTALL CIGARETTE LIGHTER ASSY
a. Properly position the socket and ring at the cutout of the cigar-lighter hole bezel and insert them.
b. Rotate the socket cap clockwise from the backside.
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 INSTRUMENT PANEL CUP HOLDER ASSY (See REPLACEMENT
)

Fig. 56: Removing Cigarette Lighter Assy Rear
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
10.REMOVE CIGARETTE LIGHTER BEZEL STAY REAR
11.REMOVE CIGAR LIGHTER HOLE BEZEL
12.INSTALL CIGARETTE LIGHTER ASSY
a. Align the socket with the notch on the cigarette lighter bezel stay, push in the cigarette lighter assy
as hard as possible to install it.
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 POWER POINT SOCKET ASSY