2003 LEXUS LS430 Factory Repair Manual

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Page 1777 of 4500

LEXUS LS430 2003 Factory Repair Manual b. Turn the ignition switch to OFF.
c. Connect the hand-held tester to DLC3.
d. Turn the ignition switch to ON.
e. Operate the hand-held tester according to the steps on the display and select &

Page 1778 of 4500

LEXUS LS430 2003 Factory Repair Manual Fig. 38: Body No.3 Data List Item Reference Chart
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
BODY No.4:
Fig. 39: Body No.4 Data List Item Reference Chart

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

Page 1779 of 4500

LEXUS LS430 2003 Factory Repair Manual Fig. 41: SRS Airbag Data List Item Reference Chart
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
STEERING PAD:
Fig. 42: Steering Pad Data List Item Reference Chart

Courtesy of TOYOTA MOTOR SALES,

Page 1780 of 4500

LEXUS LS430 2003 Factory Repair Manual ACTIVE TEST
Performing the ACTIVE TEST using the hand-held tester allows the meters, indicators and so on to operate
without parts removal. Performing the ACTIVE TEST as the first step of troublesh

Page 1781 of 4500

LEXUS LS430 2003 Factory Repair Manual ECT PWR INDICIndicat. Lamp ECT PWR (OFF/ON)Confirm that the vehicle is stopped
and engine idling
Rr FOG INDICIndicat. Lamp Rr FOG (OFF/ON)Confirm that the vehicle is stopped
and engine idling
OIL LE

ECT PWR INDICIndicat. Lamp ECT PWR (OFF/ON)Confirm that the vehicle is stopped
and engine idling
Rr FOG INDICIndicat. Lamp Rr FOG (OFF/ON)Confirm that the vehicle is stopped
and engine idling
OIL LEVEL WARNIndicat. Lamp OIL LEVEL (OFF/ON)Confirm that the vehicle is stopped
and engine idling
Rr LIGHT INDICIndicat. Lamp Rr Light (OFF/ON)Confirm that the vehicle is stopped
and engine idling
VSC WARNIndicat. Lamp VSC (OFF/ON)Confirm that the vehicle is stopped
and engine idling
ARS WARNIndicat. Lamp ARS (OFF/ON)Confirm that the vehicle is stopped
and engine idling
MIL (ENGINE)Indicat. Lamp ENGINE (OFF/ON)Confirm that the vehicle is stopped
and engine idling
LOW WASHER
WARNIndicat. Lamp WASHER (OFF/ON)Confirm that the vehicle is stopped
and engine idling
ItemTest DetailsDiagnostic Note
SRS WARNIndicat. Lamp AIRBAG (OFF/ON)Confirm that the vehicle is stopped
and engine idling
HIGH BEAM INDICIndicat. Lamp BEAM (OFF/ON)Confirm that the vehicle is stopped
and engine idling
TURN INDIC-LIndicat. Lamp TURN L (OFF/ON)Confirm that the vehicle is stopped
and engine idling
TURN INDIC-RIndicat. Lamp TURN R (OFF/ON)Confirm that the vehicle is stopped
and engine idling
ABS WARNIndicat. Lamp ABS (OFF/ON)Confirm that the vehicle is stopped
and engine idling
TRC OFF INDICIndicat. Lamp TRAC (TRC) OFF
(OFF/ON)Confirm that the vehicle is stopped
and engine idling
SLIP INDICIndicat. Lamp SLIP (OFF/ON)Confirm that the vehicle is stopped
and engine idling
O/D OFF INDICIndicat. Lamp O/D OFF (OFF/ON)Confirm that the vehicle is stopped
and engine idling
ODO/TRIP DISPIndicat. ODO/TRIP DISPLAY (OFF/ON)Confirm that the vehicle is stopped
and engine idling
A/T OIL TEMPA/T OIL temperature operation (OFF/ON)Confirm that the vehicle is stopped
and engine idling
L-CRUISE DISPIndicat. Laser Cruise DISPLAY (OFF/ON)Confirm that the vehicle is stopped
and engine idling
L-CRS CHECK INDIndicat. Lamp L-CRUISE CHECK
(OFF/ON)Confirm that the vehicle is stopped
and engine idling
L-CRS READY INDIndicat. Lamp L-CRUISE READY
(OFF/ON)Confirm that the vehicle is stopped
and engine idling
Fr FOG INDICIndicat. Lamp Fr FOG (OFF/ON)Confirm that the vehicle is stopped

Page 1782 of 4500

LEXUS LS430 2003 Factory Repair Manual METER ACTIVE TEST REFERENCE
WIRING DIAGRAM
and engine idling
TIRE PRESS WARNIndicat. Lamp TIRE PRESS (OFF/ON)Confirm that the vehicle is stopped
and engine idling
AUTO LV INDICIndicat. Lamp HEADLAM

Page 1783 of 4500

LEXUS LS430 2003 Factory Repair Manual Fig. 43: Combination Meter Wiring Diagram
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
INSPECT PROCEDURE
1.INSPECT COMBINATION METER ASSY
a. Measure the resistance according to the value (s) in th

Page 1784 of 4500

LEXUS LS430 2003 Factory Repair Manual b. Measure the voltage according to the value (s) in the table below.
Standard
COMBINATION METER VOLTAGE SPECIFICATIONS
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
Fig. 44: Identifying Combinati

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