Mazda 6 Service Manual: Dtc b1913, b1925, b1933, b1935

Dtc b1913, b1916, b1932, b1934

Dtc b1921

Other materials:

Mazda 6 Service Manual: Climate control unit inspection
Full-auto Air Conditioner 1. Connect the all center panel connectors. 2. Turn the ignition switch to ON position. 3. Measure the voltage at each climate control unit terminal and refer to the terminal voltage list. If not as specified, inspect the parts listed under Action and the relate ...

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 ...