Clearance Sonar Main Switch Circuit
PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM: Clearance Sonar Main Switch Circuit
- Clearance Sonar Main Switch Circuit
DESCRIPTION
The back sonar or clearance sonar switch assembly is installed at the base of the driver side instrument panel.
When the back sonar or clearance sonar switch assembly is turned on, an ON signal is sent to the clearance warning ECU. The intuitive parking assist system operates according to this signal.
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
1. READ VALUE USING TECHSTREAM
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Intuitive P/A / Data List.
(e) According to the display on the Techstream, read the Data List.
Intuitive P/A
Result:
C -- INSPECT BACK SONAR OR CLEARANCE SONAR SWITCH ASSEMBLY
B -- REPLACE CLEARANCE WARNING ECU ASSEMBLY Removal
A -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Intuitive Parking Assist System
2. INSPECT BACK SONAR OR CLEARANCE SONAR SWITCH ASSEMBLY
(a) Remove the back sonar or clearance sonar switch assembly Removal.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Text in Illustration
NG -- REPLACE BACK SONAR OR CLEARANCE SONAR SWITCH ASSEMBLY Removal
OK -- Continue to next step.
3. CHECK HARNESS AND CONNECTOR (BACK SONAR OR CLEARANCE SONAR SWITCH ASSEMBLY POWER SOURCE)
(a) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
4. CHECK HARNESS AND CONNECTOR (BACK SONAR OR CLEARANCE SONAR SWITCH ASSEMBLY - ECU)
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE CLEARANCE WARNING ECU ASSEMBLY Removal