Caution

Diagnostic procedure

Dtc c1119
Dtc c1145, c1155, c1165, c1175Mazda 6 Service Manual: Control system
L.H.D.
R.H.D.
...
Mazda 6 Service Manual: Radiator cap
Warning
Never remove the radiator cap while the engine is running, or when
the engine and radiator are hot. Scalding coolant and steam may shoot out
and cause serious injury. It may also damage the engine and cooling system.
Turn off the engine and wait until it is cool. Even then, be ve ...