Body Electrical. Lexus Gs430, Gs300. Uzs190 Grs190
Park Assist Monitoring. Lexus Gs430, Gs300. Uzs190 Grs190
CHECK MULTIPLEX COMMUNICATION SYSTEM
READ VALUE OF INTELLIGENT TESTER
READ VALUE OF INTELLIGENT TESTER
CLEARANCE SONAR SYSTEM - Clearance Sonar Main Switch Circuit |
DESCRIPTION
The clearance sonar main switch is installed on the integration control and panel assembly.When the clearance sonar main switch in turned ON, an ON signal is sent to the clearance warning ECU through the BEAN line. The clearance sonar system operates according to this signal.
WIRING DIAGRAM

INSPECTION PROCEDURE
1.CHECK MULTIPLEX COMMUNICATION SYSTEM |
If the multiplex communication system is operating normally, proceed to the next step.
NEXT | |
2.READ VALUE OF INTELLIGENT TESTER |
Connect the intelligent tester to the DLC3.
Turn the engine switch on (IG).
Turn the intelligent tester main switch ON.
Turn the clearance sonar main switch ON.
Select the item below in the Data List, and read its value displayed on the intelligent tester to check the clearance sonar main switch.
- Result:
Clearance warning ECU: Item Measurement / Range (Display) Normal Condition Diagnostic Note Main Switch Clearance sonar main switch / OFF or ON OFF: Clearance sonar main switch OFF
ON: Clearance sonar main switch ON-
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NG | |
3.READ VALUE OF INTELLIGENT TESTER |
Connect the intelligent tester to the DLC3.
Turn the engine switch on (IG).
Turn the intelligent tester main switch ON.
Turn the clearance sonar main switch ON.
Select the item below in the Data List, and read its value displayed on the intelligent tester to check the clearance sonar main switch.
- Result:
Integration control and panel assembly: Item Measurement / Range (Display) Normal Condition Diagnostic Note Sonar Main Switch Clearance sonar main switch / OFF or ON OFF: Clearance sonar main switch OFF
ON: Clearance sonar main switch ON-
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NG | ||
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