Kia Forte: Brake Booster Vacuum Pressure Sensor Inspection - ISG (Idle Stop & Go) System - Engine Control / Fuel System - Kia Forte TD 2014-2018 Service ManualKia Forte: Brake Booster Vacuum Pressure Sensor Inspection

Second generation YD (2014-2018) / Kia Forte TD 2014-2018 Service Manual / Engine Control / Fuel System / ISG (Idle Stop & Go) System / Brake Booster Vacuum Pressure Sensor Inspection

1.
Check installation status of BBVPS and Vacuum hose or damage of vacuum hose.
2.
Connect GDS to DLC (Data Link Cable).
3.
Warm up the engine to normal operating temperature.
4.
Monitor "BBVPS" parameter on GDS.

Fig.1) Idle Status
Fig.2) Brake pressure signal
  
With a brake partial vacuum that is too low, the ISG function also starts without activity on the part of the driver.
Insufficient brake partial vacuum can lead to safety risks during braking manoeuvres, when rolling on an incline. To prevent this, the engine is started.
(Refer to “DTC P0557, P0558” in DTC manual)
Brake Booster Vacuum Pressure Sensor Circuit Diagram
...

Brake Booster Vacuum Pressure Sensor Removal
   Brake Booster Vacuum Pressure Sensor can not be replaced separately due to vacuum leak. Therefore, the sensor mu ...

See also:

Instrument panel overview
1. Instrument cluster 2. Lighting control lever 3. Audio remote control buttons 4. Horn 5. Driver's front air bag 6. Cruise control button 7. Wiper and washer control lever 8. Ignition ...

Positive Crankcase Ventilation (PCV) Valve Operation Principle
...

Alternator Description
The charging system included a battery, an alternator with a built-in regulator, and the charging indicator light and wire. The Alternator has eight built-in diodes, each rectifying AC curre ...

Copyright © www.kifomanual.com 2014-2025