
Diagnostic procedure


Dtc table
Dtc b2103Mazda 6 Service Manual: Pcm removal/installation
Note
For replace the PCM, Setup the WDS and perform the PCM
configuration. (See PCM CONFIGURATION.)
1. Disconnect the negative battery cable.
2. For R.H.D, perform the following procedures.
(1) Remove the front side trim (left-side).
(2) Partially peel back the flower covering.
3 ...
Mazda 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 ...