Mazda 6 Owners Manual: Wrench Indicator Light (Some models)
When the ignition is switched ON, the wrench indicator light turns on and then turns off after a few seconds.
The wrench indicator light turns on under the following conditions:
- When the preset maintenance period has arrived.
- When its time to replace the engine oil.
Refer to Maintenance Monitor.
Indication/Indicator Lights
These lights turn on or flash to notify the user of the system operation status
or a system malfunction.
*Some models.
*1 The light turns on when the ignition is switched on for an operation ...
Low Engine Coolant Temperature Indicator Light (Blue) (Some models)
The light illuminates continuously when the engine coolant temperature is low
and turns off after the engine is warm.
...
Other materials:
Mazda 6 Owners Manual: Expansion valve removal/installation
1. Disconnect the negative battery cable.
2. Discharge the refrigerant from the system. (See RECOVERY.) (See CHARGING.)
Caution
If moisture or foreign material enters the refrigeration cycle,
cooling ability will be lowered and abnormal noise will occur. Always
immediately plug open fitt ...
Mazda 6 Owners Manual: Refrigerant pressure switch inspection
1. Install the SST (gas charging set).
2. Disconnect the refrigerant pressure switch connector.
3. Verify the high-pressure side reading of the SST (manifold gauge)
and continuity between the terminals of the refrigerant pressure switch.
If not as specified, replace the refrigerant pressure ...