


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: Connectors
Data link connector
Insert the probe into the terminal when connecting a jumper wire to the
data link connector.
Caution
Inserting a jumper wire probe into the data link connector
terminal may damage the terminal.
Disconnecting connectors
When disconnecting connector, grasp ...