| Last Modified: 7-3-2017 | 6.8:8.0.40 | Doc ID: RM000001BU3005X |
| Model Year Start: 2007 | Model: LX470 | Prod Date Range: [08/2006 - ] |
| Title: BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM: VSC Buzzer Circuit; 2007 MY LX470 [08/2006 - ] | ||
|
VSC Buzzer Circuit |
DESCRIPTION
The brake warning and VSC buzzer sounds while the accumulator pressure is abnormally low or an abnormality causing low fluid pressure occurs when the VSC is activated.
WIRING DIAGRAM
INSPECTION PROCEDURE
HINT:
When using the intelligent tester, start from *1. When not using the intelligent tester, start from *2.
PROCEDURE
|
1. |
PERFORM ACTIVE TEST BY INTELLIGENT TESTER (VSC BUZZER)*1 |
(a) Select the ACTIVE TEST, generate a control command, and then check that the VSC buzzer operates.
|
Item |
Vehicle Condition / Test Details |
Diagnostic Note |
|---|---|---|
|
VSC / BR WARN BUZ |
Turns VSC / BRAKE warning buzzer ON / OFF |
Buzzer can be heard |
OK:
VSC buzzer turns on or off.
| OK |
|
|
|
2. |
INSPECT BRAKE WARNING AND VSC BUZZER*2 |
|
(a) Disconnect the brake warning and VSC buzzer connector. (b) Apply battery positive voltage to terminals 1 and 2 of the brake warning and VSC buzzer connector. Check that the brake warning light comes on and the VSC buzzer sounds. |
|
| NG |
|
|
|
3. |
CHECK WIRE HARNESS (SKID CONTROL ECU ASSEMBLY - VSC BUZZER) |
| NG |
|
| OK |
|
|
|