| Last Modified: 11-20-2023 | 6.11:8.1.0 | Doc ID: RM100000001545U |
| Model Year Start: 2018 | Model: Camry HV | Prod Date Range: [07/2017 - 10/2020] |
| Title: PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM: Clearance Warning Buzzer Circuit; 2018 - 2020 MY Camry HV [07/2017 - 10/2020] | ||
|
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 buzzers using a sound pattern that changes depending on the distance to the obstacle.
WIRING DIAGRAM
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 / Advanced Parking Guidance/ICS/Intuitive P/A / Active Test.
(e) Check that the buzzer operates by performing the Active Test.
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Active Test
|
Tester Display |
Measurement Item |
Control Range |
Diagnostic Note |
|---|---|---|---|
|
Buzzer |
No. 1 clearance warning buzzer |
Operate or Stop |
Confirm that the vehicle is stopped and the power switch is on (IG) |
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Active Test
|
Tester Display |
|---|
|
Buzzer |
OK:
The No. 1 clearance warning buzzer sounds.
| OK |
|
|
|
2. |
CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU ASSEMBLY - NO. 1 CLEARANCE WARNING BUZZER) |
(a) Disconnect the R39 clearance warning ECU assembly connector.
(b) Disconnect the K74 No. 1 clearance warning buzzer connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
R39-14 (CBZ) - K74-1 (Z+) |
Always |
Below 1 Ω |
|
R39-13 (EF) - K74-2 (Z-) |
Always |
Below 1 Ω |
|
R39-14 (CBZ) or K74-1 (Z+) - Body ground |
Always |
10 kΩ or higher |
|
R39-13 (EF) or K74-2 (Z-) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
3. |
REPLACE NO. 1 CLEARANCE WARNING BUZZER |
(a) Replace the No. 1 clearance warning buzzer with a new or known good one.
Click here
![2018 - 2020 MY Camry HV [07/2017 - 10/2020]; PARK ASSIST / MONITORING: CLEARANCE WARNING ECU: REMOVAL](/t3Portal/stylegraphics/info.gif)
|
|
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 / Advanced Parking Guidance/ICS/Intuitive P/A / Active Test.
(e) Check that the buzzer operates by performing the Active Test.
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Active Test
|
Tester Display |
Measurement Item |
Control Range |
Diagnostic Note |
|---|---|---|---|
|
Buzzer |
No. 1 clearance warning buzzer |
Operate or Stop |
Confirm that the vehicle is stopped and the power switch is on (IG) |
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Active Test
|
Tester Display |
|---|
|
Buzzer |
OK:
The No. 1 clearance warning buzzer sounds.
| OK |
|
END |
| NG |
|
|
|