89421B
1.INSPECT VACUUM SENSOR
Connect the GTS to the DLC3.
Start the engine.
Turn the ignition switch off.
Turn the ignition switch to ON.
Turn the GTS on.
Enter the following menus: Powertrain / Stop and Start / Data List / Brake Boost Pressure.
| Tester Display |
|---|
| Brake Boost Pressure |
Compare the "Brake Boost Pressure" values before and after the brake pedal was depressed 5 times.
Internal pressure changes by 20 kPa (0.2 kgf/cm2, 2.9 psi) or more.
If the result is not as specified, replace the vacuum sensor.