Mazda 6 Service Manual: Water temperature sensor inspection
1. Measure the temperature around the water temperature sensor.
2. Measure the resistance between terminals of the water temperature sensor.
- If the resistance is not as shown in the graph, replace the water temperature sensor.
Water temperature sensor removal/installation
1. Disconnect the negative battery cable.
2. Remove the dashboard. (See DASHBOARD REMOVAL/INSTALLATION.)
3. Remove in the order indicated in the table.
4. Install in the reverse order of remova ...
Refrigerant pressure switch removal/installation
1. Remove the battery.
2. Discharge the refrigerant from the system. (See RECOVERY.) (See CHARGING.)
3. Loosen the refrigerant pressure switch using two spanners.
4. Remove in the order indicated i ...
Other materials:
Mazda 6 Service Manual: Heater core inspection
1. Remove the A/C unit. (See A/C UNIT REMOVAL/INSTALLATION.)
2. Remove the heater core from the A/C unit.
3. Inspect for cracks, damage, and coolant leakage.
If any problems are found, replace the heater core.
4. Inspect for bent fins.
If any are bent, use a flathead screwdriver to stra ...
Mazda 6 Service Manual: Contact Authorized Mazda Dealer and Have Vehicle Inspected
If any of the following warning lights or the indicator light turns on/flashes,
the system may have a malfunction. Contact an Authorized Mazda Dealer to have your
vehicle inspected.
...