2003 LEXUS LS430 Identifying condition

Fig. 22: Identifying Terminals Of Front Door Courtesy Lamp Switch (Driver Side)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
SPECIFIED CONDITION
If the result is not as specified, replace the switch ass
y.
Tester ConnectionSwitch ConditionSpecified Condition
1 - Body groundNot pushed (ON)Below 1 ohms
1 - Body groundPushed (OFF)10 kohms or higher

Fig. 10: Identifying Bluetooth Capable Cellular
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
1.Vehicle brought into a workshop
2.Diagnostic questioning and symptom confirmation (see CUSTOMER PROBLEM ANALYSIS
CHECK )
Ask the customer about symptoms and confirm malfunctions. Fill out the Customer Problem Analysis
check sheet.
The screen displays nothing (go to step 6, proceed to "BLACK SCREEN (NO IMAGE APPEARS
ON NAVIGATION/AUDIO SCREEN)")
Other symptoms (go to step 3)
3.Confirm the system normal condition (see SYSTEM NORMAL CONDITION CHECK
)
Applicable (This is not a malfunction.)
Not applicable (go to step 4)
4.Check the diagnostic trouble codes (see DIAGNOSTIC TROUBLE CODE CHART
)
HINT:
If the system cannot enter the diagnosis mode, inspect each AVC-LAN communication signal and

Fig. 20: Displaying Panel Switch
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
4.Operate each switch and check that the switch name and condition is correctly displayed.
Fig. 21: Identifying Panel Switch Check Mode

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
HINT:
This mode checks the vehicle signal status input to the multi-display.
Illustrations may differ from the actual vehicle depending on the device settings and options. Therefore,
some detailed areas ma
y not be shown exactly the same as on the actual vehicle.

Fig. 24: Identifying Vehicle Signal Chart
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
4.When the "Vehicle Signal Check Mode" screen is displayed, check all the vehicle signal conditions.
HINT:
Only conditions having inputs are displayed.
This screen is updated once per second when input signals to the vehicle are changed.
HINT:
This mode displays GPS satellite information.
Illustrations may differ from the actual vehicle depending on the device settings and options. Therefore,
some detailed areas may not be shown exactly the same as on the actual vehicle.
1.Enter diagnostic mode (see DIAGNOSTIC START
-UP/FINISH ).

Fig. 27: Identifying GPS Information Chart
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
4.When GPS information is displayed, check the GPS conditions.
HINT:
This screen is updated once per second when input signals to the vehicle are changed.
HINT:
This mode checks the vehicle signal status to the navigation ECU.
Illustrations may differ from the actual vehicle depending on the device settings and options. Therefore,
some detailed areas may not be shown exactly the same as on the actual vehicle.
1.Enter diagnostic mode (see DIAGNOSTIC START
-UP/FINISH ).

Fig. 53: Identifying System Normal Condition
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
(g) The following symptoms are not a malfunction, but are caused by errors inherent in the GPS, gyro
sensor, speed sensor, and navigation ECU.
1. The current position mark may be displayed on a nearby parallel road the vehicle actually runs on.