key LEXUS LS430 2003 Factory Repair Manual

REPLACEMENT
HINT:
See COMPONENTS
See LOCATION
Installation is in the reverse order of removal.
1.REMOVE REAR COMBINATION LAMP SERVICE COVER RH (See OVERHAUL
)
2.REMOVE REAR COMBINATION LAMP SERVICE COVER LH (See OVERHAUL
)
3.REMOVE LUGGAGE COMPARTMENT LAMP ASSY NO. 1 (See step 4 on OVERHAUL
)
4.REMOVE BACK DOOR TRIM COVER (See step 5 on OVERHAUL
)
5.REMOVE LUGGAGE OPENER CANCEL CYLINDER & KEY SET (See OVERHAUL
)
6.REMOVE LUGGAGE DOOR OPENING SWITCH ASSY (See OVERHAUL
)
7.REMOVE LUGGAGE COMPARTMENT DOOR GARNISH SUB-ASSY OUTSIDE (See step 5 on
REPLACEMENT
)
8.REMOVE TELEVISION CAMERA ASSY
a. Disconnect the connector.
b. Remove the 2 bolts and television camera assy.
9.INSTALL TELEVISION CAMERA ASSY
a. Install the television camera assy with the 2 bolts.
b. Connect the connector.

1.RADIO RECEIVER ASSY (Physical address: 190) [AUDIO H/U]
a. Logical address: 01 (Communication control)
HINT:
Methods used to verify the cause of the problem are listed in order of probability in the verification
column.
Fig. 25: DTC Detecting Condition Chart

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
HINT:
*1: Even if no failure is detected, a trouble code may be recorded depending on the battery
condition or engine start voltage.
*2: If the power connector is disconnected after the engine starts, this code is recorded after
180 seconds.
*3: This code may be stored if the ignition key is turned again after the engine starts.

*4: This code may be stored if the ignition key is held in the START position for one minute
or more before returning to the ON position.
*5: If the device is reported as not existing during verification, check the power source circuit
and AVC-LAN circuit for the device.
b. Logical address: 62 (CD): 63 (CD changer)
HINT:
Methods used to verify the cause of the problem are listed in order of probability in the verification
column.

Fig. 28: DTC Detecting Condition Chart (Physical address: 17D) [TEL])
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
HINT:
*1: Even if no failure is detected, a trouble code may be recorded depending on the battery
condition or engine start voltage.
*2: If the power connector is disconnected after the engine starts, this code is recorded after
180 seconds.
*3: This code may be stored if the ignition key is turned again after the engine starts.
*4: This code may be stored if the ignition key is held in the START position for one minute
or more before returning to the ON position.
*5: If the device is reported as not existing during verification, check the power source circuit
and AVC-LAN circuit for the device.
b. Logical address: 57 (telephone information drawing): 68 (TEL)
HINT:
Methods used to verify the cause of the problem are listed in order of probability in the verification
column.
Fig. 29: DTC Detecting Condition Chart

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
3.AUDIO AND REAR A/C CONTROL SW (Physical address: 1CO) [Rr-CONT]
a. Logical address: 01 (Communication control)
HINT:
Methods used to verify the cause of the problem are listed in order of probability in the verification
column.

Fig. 30: DTC Detecting Condition Chart (Audio And Rear A/C Control SW)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
HINT:
*1: Even if no failure is detected, a trouble code may be recorded depending on the battery
condition or engine start voltage.
*2: If the power connector is disconnected after the engine starts, this code is recorded after
180 seconds.
*3: This code may be stored if the ignition key is turned again after the engine starts.
*4: This code may be stored if the ignition key is held in the START position for one minute
or more before returning to the ON position.
*5: If the device is reported as not existing during verification, check the power source circuit
and AVC-LAN circuit for the device.
4.GATEWAY ECU (Physical address: 1C6) [G/W]
a. Logical address: 01 (Communication control)
HINT:
Methods used to verify the cause of the problem are listed in order of probability in the verification
column.
Fig. 31: DTC Detecting Condition Chart

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
HINT:
This code is stored 210 seconds after the power supply connector of the master component is
disconnected with the ignition switch in the ACC or ON position.
5.STEREO COMPONENT TUNER (Physical address: 1FO) [RADIO TUNER]
a. Logical address: 01 (Communication control)
HINT:

HINT:
*1: Even if no failure is detected, a trouble code may be recorded depending on the battery
condition or engine start voltage.
*2: If the power connector is disconnected after the engine starts, this code is recorded after
180 seconds.
*3: This code may be stored if the ignition key is turned again after the engine starts.
*4: This code may be stored if the ignition key is held in the START position for one minute
or more before returning to the ON position.
*5: If the device is reported as not existing during verification, check the power source circuit
and AVC-LAN circuit for the device.
b. Logical address: 60 (Radio)
HINT:
Methods used to verify the cause of the problem are listed in order of probability in the verification
column.
Fig. 33: DTC Detecting Condition Chart

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

Fig. 34: DTC Detecting Condition Chart Physical (Address: 440)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
HINT:
*1: Even if no failure is detected, a trouble code may be recorded depending on the battery
condition or engine start voltage.
*2: If the power connector is disconnected after the engine starts, this code is recorded after
180 seconds.
*3: This code may be stored if the ignition key is turned again after the engine starts.
*4: This code may be stored if the ignition key is held in the START position for one minute
or more before returning to the ON position.
*5: If the device is reported as not existing during verification, check the power source circuit
and AVC-LAN circuit for the device.
7.THE INSPECTION LIST FOR THE DEVICE INDICATED BY THE SUB CODE
HINT:
Methods used to verify the cause of the problem are listed in order of probability in the verification
column.
Fig. 35: Inspecting List For Device Indicated By Sub Code

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

<0029004c004a0011000300170014001d000300280051004a0044004a004c0051004a000300360053004f004c005100480056000300320049000300360057004400570052005500030036004b00440049005700030024005100470003003600570044005700
520055[
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
d. Turn the torque converter clutch assy and align the matchmarks on the torque converter clutch assy
and transmission case to engage the key of the oil pump drive gear into the slot on the torque
converter clutch assy.

If the operation cannot be done as specified, inspect the shift lock control unit.
2.CHECK SHIFT LOCK RELEASE BUTTON OPERATION
a. Using a small screwdriver, remove the shift lock release cover.
b. When operating the shift lever with the shift lock release button pressed, check that the lever can be
moved to any position other than P.
If the operation cannot be done as specified, check the shift lever assy installation condition.
3.CHECK KEY INTERLOCK OPERATION
a. Turn the ignition switch to the ON position.
b. Depress the brake pedal and adjust the shift lever to any position other than P.
c. Check that the ignition key cannot be turned to the LOCK position.
d. Move the shift lever to the P position, turn the ignition key to the LOCK position and check that the
ignition key can be removed.
If the operation cannot be done as specified, inspect the shift lock control unit.
4.INSPECT SHIFT LOCK CONTROL UNIT ASSEMBLY
a. Measure the voltage according to the value(s) in the table below.
HINT:
Do not disconnect the shift lock control unit assembl
y connector.

OVERHAUL
1.DISCONNECT BATTERY NEGATIVE TERMINAL
2.REMOVE INSTRUMENT PANEL UNDER COVER SUB-ASSY NO.2 (SEE REPLACEMENT
)
3.REMOVE CHOKE KNOB HOLE COVER (SEE REPLACEMENT
)
4.REMOVE GLOVE COMPARTMENT PLATE (SEE REPLACEMENT
)
5.REMOVE INSTRUMENT PANEL GARNISH SUB-ASSY LH (SEE REPLACEMENT
)
6.REMOVE INSTRUMENT PANEL FINISH PANEL (SEE REPLACEMENT
)
7.REMOVE INSTRUMENT CLUSTER FINISH PANEL (SEE REPLACEMENT
)
8.REMOVE INSTRUMENT PANEL FINISH PANEL LOWER CENTER (SEE REPLACEMENT
)
9.REMOVE PANEL INSTRUMENT CLUSTER FINISH LOWER (SEE REPLACEMENT
)
10.REMOVE INSTRUMENT PANEL UNDER COVER SUB-ASSY NO.1 (SEE REPLACEMENT
)
11.REMOVE COIN BOX ASSY (SEE REPLACEMENT
)
12.REMOVE INSTRUMENT CLUSTER FINISH PANEL CENTER LOWER (SEE
REPLACEMENT
)
13.REMOVE CIGAR LIGHTER HOLE BEZEL (SEE REPLACEMENT
)
14.REMOVE INSTRUMENTAL CLUSTER FINISH PANEL END (SEE REPLACEMENT
)
15.REMOVE INSTRUMENT PANEL SAFETY PAD SUB-ASSY NO.1 (SEE REPLACEMENT
)
16.REMOVE REAR CONSOLE ARMREST ASSY (SEE REPLACEMENT
)
17.REMOVE CONSOLE BOX PLATE (SEE REPLACEMENT
)
18.REMOVE INSTRUMENT PANEL CUP HOLDER ASSY (SEE REPLACEMENT
)
19.REMOVE CONSOLE BOX (SEE REPLACEMENT
)
20.REMOVE CONSOLE BOX DUCT NO.1 (SEE REPLACEMENT
)
21.SEPARATE FLOOR SHIFT GEAR SHIFTING ROD SUB-ASSY
a. Remove the nut and separate the floor shift gear shifting rod sub-assy.
22.REMOVE FLOOR SHIFT ASSY
a. Disconnect the connector.
b. Disconnect the indoor electrical key oscillator connector. (w/smart key)