
Diagnostic procedure

Dtc b1992, b1993, b1994, b1995
Dtc b2228, b2230, b2232, b2234Mazda 6 Service Manual: Climate control unit inspection
Full-auto Air Conditioner
1. Connect the all center panel connectors.
2. Turn the ignition switch to ON position.
3. Measure the voltage at each climate control unit terminal and refer to the
terminal voltage list.
If not as specified, inspect the parts listed under Action and the
relate ...
Mazda 6 Service Manual: Egr valve removal/installation
1. Disconnect the negative battery cable.
2. Disconnect the EGR valve connector.
3. Remove in the order indicated in the table.
4. Install in the reverse order of removal.
Water Hose Removal Note
Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT.)
EGR Valve Removal Note
1. Re ...