2003 LEXUS LS430 service indicator

If the communication is normal when the tool is connected to another vehicle, inspect the DLC3 on
the original vehicle.
If the communication is still impossible when the tool is connected to another vehicle, the problem
is probably in the tool itself, so consult the Service Department listed in the tool's instruction
manual.
1.INDICATOR CHECK
a. Turn the ignition switch to the ON position while pressing the A/C control AUTO switch and R/F
(Recirculation/Fresh) switch simultaneously.
Fig. 13: Identifying Auto Switch (W/O LEXUS Navigation System)

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
b. Check that the all indicators come on and go off 4 times in succession at 1 second intervals.
HINT:
After the indicator check is completed, the system enters the DTC mode automatically.
Press the "OFF" switch to cancel the indicator mode.

HINT:
If the hand-held tester display shows UNABLE TO CONNECT TO VEHICLE when the cable of
the hand-held tester is connected to the DLC3, the ignition switch is turned to the ON position and
the tester is operated, there is a problem either on the vehicle side or tester side.
If communication is normal when the tester is connected to another vehicle, inspect the
DLC3 on the original vehicle.
If communication is still not possible when the tester is connected to another vehicle, the
problem is probably in the tester itself, so consult the Service Department listed in the tester's
instruction manual.
c. Indicator lamp
1. During the vehicle height control operation, the absorber control indicator lamp blinks when
there is any malfunction in the air suspension system.
CANL (14) - CG (4)LOW-level CAN bus
lineIG switch OFF3 Kohms or higher

hand-held tester to the DLC3, turned the ignition switch to the ON position and operated the tester,
there is a problem on either the vehicle side or the tool side.
If communication is normal when the tool is connected to another vehicle, inspect the DLC3
on the original vehicle.
If communication is still impossible when the tool is connected to another vehicle, the
problem is probably in the tool itself, so consult the Service Department listed in the tool's
instruction manual.
3.CHECK THE INDICATOR
a. Turn the ignition switch to the ON position.
b. Check that the CRUISE main indicator light comes on when the cruise control main switch ON-
OFF button is push on, and that the indicator light goes off when the ON-OFF button is pushed off.
Fig. 13: Identifying CRUISE Main Indicator Light

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
HINT:
If there is a problem with the indicator, inspect the CRUISE MAIN INDICATOR LIGHT CIRCUIT
.
HINT:

tester to the DLC3, turned the ignition switch to the ON position and operated the tester, there is a
problem on either the vehicle side or the tool side.
If communication is normal when the tool is connected to another vehicle, inspect the DLC3 on the
original vehicle.
If communication is still impossible when the tool is connected to another vehicle, the problem is
probably in the tool itself, so consult the Service Department listed in the tool's instruction manual.
4.CHECK THE INDICATOR
a. Turn the ignition switch to the ON position.
b. Check that the CRUISE main indicator light and RADAR READY indicator come on when the
main switch ON-OFF button is pushed on, and that the indicator light goes off when the ON-OFF
button is pushed off.
HINT:
If the indicator check result shows a problem, proceed to troubleshooting (see CRUISE MAIN
INDICATOR LIGHT CIRCUIT ) for the combination meter section.
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51004700030035002400270024003500030035002800240027[Y Indicator

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

tester to the DLC3, turned the ignition switch to the ON position and operated the tester, there is a
problem on either the vehicle side or the tool side.
If communication is normal when the tool is connected to another vehicle, inspect the DLC3 on the
original vehicle.
If communication is still impossible when the tool is connected to another vehicle, the problem is
probably in the tool itself, so consult the Service Department listed in the tool's instruction manual.
4.CHECK THE INDICATOR
a. Turn the ignition switch to the ON position.
b. Check that the CRUISE main indicator light and RADAR READY indicator come on when the
main switch ON-OFF button is pushed on, and that the indicator light goes off when the ON-OFF
button is pushed off.
HINT:
If the indicator check result shows a problem, proceed to troubleshooting (SEE CRUISE MAIN
INDICATOR LIGHT CIRCUIT ) for the combination meter section.
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51004700030035002400270024003500030035002800240027[Y Indicator

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