A-TRAC Indicator Light Remains ON: Description

This is the A-TRAC main switch circuit. When the A-TRAC switch is pushed on, the A-TRAC function is available and the A-TRAC indicator light illuminates.

HINT:

The A-TRAC does not operate even if the A-TRAC switch is pressed under the following conditions:

• TRAC or VSC system is faulty.
• Temperature inside the hydraulic brake booster increases and the A-TRAC operation is suspended.