Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: On-vehicle Inspection

Toyota Corolla Cross (2022-2025) Service Manual / Engine & Hybrid System / Stop And Start / Vacuum Sensor Assembly / On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT VACUUM SENSOR ASSEMBLY

(a) Connect the GTS to the DLC3.

(b) Start the engine.

(c) Turn the ignition switch off.

(d) Turn the ignition switch to ON.

(e) Turn the GTS on.

(f) Enter the following menus: Powertrain / Stop and Start / Data List / Brake Boost Pressure.

Powertrain > Stop and Start > Data List

Tester Display

Brake Boost Pressure

(g) Compare the "Brake Boost Pressure" values before and after the brake pedal was depressed 5 times.

Standard:

Internal pressure changes by 20 kPa (150 mmHg, 5.91 in.Hg) or more.

HINT:

  • Standard atmospheric pressure is 101 kPa (758 mmHg, 29.8 in.Hg).
  • For every 100 m (328 ft.) increase in altitude, atmospheric pressure drops by 1 kPa (8 mmHg, 0.295 in.Hg).
  • Atmospheric pressure varies with weather.

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