Basic flow of troubleshooting

DTC troubleshooting flow (on-board diagnostic)
Diagnostic trouble codes (DTCs) are important hints for repairing malfunctions that are difficult to simulate.
Perform the specific DTC diagnostic inspection to quickly and accurately diagnose the malfunction.
The on-board diagnostic function is used during inspection. When a DTC is shown specifying the cause of a malfunction, continue the diagnostic inspection according to the items indicated by the on-board diagnostic function.
Diagnostic index
The diagnostic index lists the symptoms of specific malfunctions. Select the symptoms related or most closely relating to the malfunction.
Quick diagnosis chart (If mentioned)
The quick diagnosis chart lists diagnosis and inspection procedures to be performed specifically relating to the cause of the malfunction.
Symptom troubleshooting
Symptom troubleshooting quickly determines the location of the malfunction according to symptom type.
Procedures for Use
Using the basic inspection (section K)

Using the DTC troubleshooting flow

Using the diagnosis index

Using the quick diagnosis chart

Using the symptom troubleshooting

Advisory messages
UnitsMazda 6 Service Manual: Heating
1. Set the mode selector dial to the
position.
2. Set the air intake selector to the outside air position (indicator light turns
off).
3. Set the temperature control dial to the hot position.
4. Set the fan control dial to the desired speed.
5. If dehumidified heating is desired, turn on the ...
Mazda 6 Service Manual: STEP 2: Contact Mazda North American Operations
If for any reason you feel the need for further assistance after contacting your
dealership management or it becomes necessary to have the components or wiring system
for the supplementary restraint system modified to accommodate a person with certain
medical conditions in accordance with a ce ...