Clearance Warning Buzzer Circuit
PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM: Clearance Warning Buzzer Circuit
- Clearance Warning Buzzer Circuit
DESCRIPTION
This circuit consists of the No. 1 clearance warning buzzer and clearance warning ECU assembly. An ECU-excited type buzzer is used. The ECU operates the buzzer using a sound pattern that changes depending on the distance to the obstacle.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1. PERFORM ACTIVE TEST 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 / Active Test.
(e) Check that the buzzer operates by performing the Active Test.
Intuitive P/A
OK:
The No. 1 clearance warning buzzer sounds.
NG -- CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU ASSEMBLY - NO. 1 CLEARANCE WARNING BUZZER)
OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Intuitive Parking Assist System
2. CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU ASSEMBLY - NO. 1 CLEARANCE WARNING BUZZER)
(a) Disconnect the I54 connector from the No. 1 clearance warning buzzer.
(b) Disconnect the I82 connector from the clearance warning ECU assembly.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
3. REPLACE NO. 1 CLEARANCE WARNING BUZZER
(a) Replace the No. 1 clearance warning buzzer with a new or known good one Removal.
NEXT -- Continue to next step.
4. PERFORM ACTIVE TEST 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 / Active Test.
(e) Check that the buzzer operates by performing the Active Test.
Intuitive P/A
OK:
The No. 1 clearance warning buzzer sounds.
NG -- REPLACE CLEARANCE WARNING ECU ASSEMBLY Removal
OK -- END (NO. 1 CLEARANCE WARNING BUZZER WAS DEFECTIVE)