C1199 brake booster
DTC Logic
DTC DETECTION LOGIC
DTC
Display Item
Malfunction detected condition
Possible causes
C1199
BRAKE BOOSTER
When brake booster vacuum is approx. 0 kPa (0 mm-
Hg) during engine running.
Harness or connector
Vacuum sensor (brake booster)
...
P0128 thermostat function
DTC Description
DTC DETECTION LOGIC
Engine coolant temperature has not risen enough to open the thermostat even
though the engine has run long
enough.
This is due to a leak in the seal or the thermostat being stuck open.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
...
Adjusting the screen
The procedure for adjusting the quality of the
screen differs depending on the type of screen
present on the vehicle.
For vehicles without Navigation System:
Press the ENTER/SETTING or
ENTER/AUDIO button.
Turn the TUNE/SCROLL or TUNE/FOLDER
knob to highlight the “Bri ...