Mazda 6 Service Manual: 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: Variable tumble control system (vtcs) shutter valve actuator inspection
1. Remove the air hose. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.)
2. Disconnect the vacuum hose from the VTCS shutter valve actuator.
3. Connect a vacuum pump to the VTCS shutter valve actuator.
4. Apply vacuum and verify that the rod moves.
If the rod dose not move, replace the intake ...
Mazda 6 Service Manual: Nonreturn valve inspection
1. Remove the fuel pump unit. (See FUEL PUMP UNIT REMOVAL/INSTALLATION.)
2. Siphon the fuel from the fuel tank.
Note
Nonreturn valve is integrated in the fuel tank.
The nonreturn valve is normally closed by the spring force.
3. Verify that the nonreturn valve is closed.
If the nonretu ...