1. Remove the A/C unit. (See A/C UNIT REMOVAL/INSTALLATION.)
2. Remove the evaporator from the A/C unit.
3. Inspect for cracks, damage, and oil leakage.
4. Inspect for bent fins.
Expansion valve removal/installation
Heater core inspectionMazda 6 Service Manual: Pid/data monitor inspection
1. Connect the WDS or equivalent to the DLC-2.
2. Measure the PID value.
Note
Perform part inspection for the output device after PCM
inspection.
The PID/DATA MONITOR function monitors the calculated value of the
input/output signals in the PCM. Therefore, if a monitored value ...
Mazda 6 Service Manual: Oil control valve (ocv) inspection
L3
Coil Resistance Inspection
1. Disconnect the negative battery cable.
2. Disconnect the oil control valve connector.
3. Measure the resistance between terminals A and B using an ohmmeter.
If not as specified, replace the oil control valve.
Specification
6.9-7.9 ohms
4. Connect ...