Mazda 6 Service Manual: Dtc 22

Dtc 21

Dtc 58

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: Intermittent rear wiper relay inspection
1. Connect the connector to the intermittent rear wiper relay. 2. Connect the negative battery cable. 3. Measure the voltage at the intermittent rear wiper relay using voltmeter. When inspecting terminal D for continuity, disconnect the intermittent rear wiper relay connector. 4. If the ...