Mazda 6 Service Manual: Troubleshooting
Mazda 6 Service Manual / Heater and air conditioner systems / Troubleshooting
- Foreword
- Troubleshooting index
- No.1 insufficient air (or no air) blown from vents
- No.2 amount of air blown from vents does not change
- No.3 amount of air blown from vents does not change
- No.4 air intake mode does not change
- No.5 no temperature control with climate control unit
- No.6 windshield fogged
- No.7 air from vents cold enough
- No.8 no cool air
- No.9 noise while operating a/c system
Dtc 19, 22 (when two or more dtcs are indicated at the same time)
Diagnostic Procedure
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Foreword
The areas for inspection (steps) are given according to various circuit
malfunctions. Use the following chart to verify the symptoms of the trouble
in order to diagnose the appropriate area.
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Other materials:
Mazda 6 Service Manual: Woofer inspection
1. Inspect for continuity between the audio amplifier connector terminals and
woofer connector terminals using an ohmmeter.
If not as specified, replace the related wiring harnesses.
2. Verify that there is battery positive voltage at the woofer connector
terminal A (4SD) or C (5HB) u ...
Mazda 6 Service Manual: Evaporator temperature sensor inspection
1. Turn the AUTO switch on.
2. Set the temperature control at MAX COLD (Turn the left).
3. Turn the A/C switch.
4. Set the RECIRCULATE mode.
5. Close all doors and windows.
6. Wait for 5 minutes.
7. Remove the glove compartment.
8. Disconnect the evaporator temperature sensor.
9. Measure t ...
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