DESCRIPTION
The No. 1 clearance warning buzzer sounds to alert the driver and the buzzed frequency changes depending on the distance to an obstacle.
INSPECTION PROCEDURE
PROCEDURE
PERFORM ACTIVE TEST USING INTELLIGENT TESTER (NO. 1 CLEARANCE WARNING BUZZER)
Select the Active Test, use the intelligent tester to generate a control command, and then check that the buzzer operates (Click here).
| Tester Display | Test Part | Control Range | Diagnostic Note |
|---|---|---|---|
| Front Buzzer | No. 1 clearance warning buzzer | Operate or Stop | - |
| OK |
|---|
| No. 1 clearance warning buzzer sounds. |
| Result | Proceed to |
|---|---|
| OK | A |
| NG (w/ Side Monitor System) | B |
| NG (w/o Side Monitor System) | C |
CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU - NO. 1 CLEARANCE WARNING BUZZER)
Disconnect the F75 parking assist ECU connector.
Disconnect the E10 No. 1 clearance warning buzzer connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU ASSEMBLY - NO. 1 CLEARANCE WARNING BUZZER)
Disconnect the F12 clearance warning ECU connector.
Disconnect the E10 No. 1 clearance warning buzzer connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLEClick here
REPLACE NO. 1 CLEARANCE WARNING BUZZERClick here
REPAIR OR REPLACE HARNESS OR CONNECTOR