Kia Optima: Inspection
Brake Booster
| 1. |
Inspect the check valve in the
vacuum hose, intensifier and the connecting section.
|
Do not remove the check valve from the vacuum hose. |
|
| 2. |
Check the boot for damage.
|
Vacuum Pump
| 1. |
Check the brake warning lamp
in the IGN ON position.
Brake warning lamp is ON as below conditions.
| 2. |
Low brake fluid
level warning |
| 3. |
Low brake vacuum
pressure warning |
| -
|
Vacuum pump is
abnormal condition |
| -
|
Vacuum pump CAN
communication is abnormal condition |
| -
|
Vacuum switch
is abnormal condition |
|
|
| 2. |
Check that the brake warning
lamp is ON after the release the parking brake with a sufficient brake fluid
level.
If the brake warning lamp is ON, check the below points.
| (1) |
Is the brake warning
lamp ON within 5 seconds after IGN ON? (CAN Timeout Error)
|
CAN Timeout Error ; The brake warning lamp is ON when the
communication fails more than 2 seconds between vacuum pump
and cluster. |
|
|
▶ Reinstall the vacuum pump connector after removing it.
And if the brake warning lamp is ON within 5 seconds after
IGN ON, replace the vacuum pump.
|
|
|
▶ Go to Step 2).
|
|
| (2) |
Is the brake warning
lamp ON within 45 ~ 55 seconds?
|
|
▶ Brake vacuum switch is normal condition.
|
|
|
▶ Go to Step 3).
|
|
| (3) |
Is the brake warning
lamp ON within 15 ~ 35 seconds after removing the vacuum hose from
the brake booster?
|
|
▶ Replace the vacuum pump.
|
|
|
▶ Vacuum pump is normal condition.
|
|
|
Brake Booster
1.
Turn ignition switch OFF and
disconnect the negative (-) battery cable.
2.
Remove the air duct (B) and air
cleaner assembly (A).
...
Brake Booster
1.
Installation is the reverse of
removal.
•
Before ins ...
See also:
To temporarily accelerate with the cruise control on
If you want to speed up temporarily when the cruise control is on, depress the
accelerator pedal. Increased speed will not interfere with the cruise control operation
or change the set speed.
To ...
Theft-alarm system
This system is designed to provide protection from unauthorized entry into the
vehicle. This system is operated in three stages: the first is the "Armed" stage,
the second is the " ...
To Resume the Preset Speed
The vehicle will automatically resume the speed set prior to cancellation when
you press and release the RES/ACCEL switch, providing the vehicle speed is above
25 mph (40 km/h). ...
Removal
Installation