Clearance Sonar Main Switch Circuit

PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM: Clearance Sonar Main Switch Circuit

Clearance Sonar Main Switch Circuit

DESCRIPTION

The clearance sonar main switch is installed on the instrument panel safety pad 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 intuitive parking assist system operates according to this signal.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK MULTIPLEX COMMUNICATION SYSTEM
Refer to how to proceed with troubleshooting How to Proceed With Troubleshooting.
If the multiplex communication system is operating normally, proceed to the next step.
NEXT -- Continue to next step.
2. READ VALUE USING TECHSTREAM
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch ON (IG).
(c) Turn the Techstream on.
(d) Turn the clearance sonar main switch ON.
(e) Select the item below in the Data List, and read its value displayed on the Techstream to check the clearance sonar main switch.
Result:

Clearance warning ECU:





OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
NG -- Continue to next step.
3. PERFORM SATELLITE SWITCH
(a) Check operation speed and tach indicator system Customize Parameters.
Result:






NG -- GO TO COMBINATION METER SYSTEM
OK -- Continue to next step.
4. REPLACE CLEARANCE WARNING ECU ASSEMBLY
(a) Replace the clearance warning ECU Removal.
NEXT -- Continue to next step.
5. CHECK OPERATION INTUITIVE PARKING ASSIST SYSTEM
(a) Check the operation of the intuitive parking assist system Operation Check.
Result:






NG -- REPLACE COMBINATION METER ASSEMBLY
OK -- END