
Diagnostic procedure

Dtc b2229, b2231, b2233, b2235
Dtc b2444, u2017Mazda 6 Service Manual: Engine Coolant Temperature Gauge
Displays the engine coolant temperature. The blue gauge indicates that the engine
coolant temperature is low, and the red gauge indicates that the engine coolant
temperature is high and overheating.
CAUTION
If the high engine coolant temperature warning light (red) turns on, there
is a pos ...
Mazda 6 Service Manual: No.1 abs warning light, brake system warning light, tcs off light do not
illuminate with ignition switch on
Vehicle with ABS/TCS
When performing an asterisked (*) troubleshooting inspection, shake the
wiring harness and connectors while doing the inspection to discover whether
poor contact points are the cause of any intermittent malfunction. If there
is a problem, check to make sure conn ...