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:

Specification
Ignition System Ignition Coil Item Specification Primary Coil Resistance (Ω) 0.75 ± 15% [20°C (68°F)] Secondary Coil Re ...

Injector Removal
1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Release the residual pressure in fuel line (Refer to the ...

Panoramic sunroof
If your vehicle is equipped with a sunroof, you can slide or tilt your sunroof with the sunroof control lever located on the overhead console. The sunroof can only be opened, closed, or tilted w ...

Copyright www.kifomanual.com 2014-2026