Mazda 6 Service Manual: Dtc b1342

Dtc b1231

Dtc b1869, b1870

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: Main fuse removal/installation
1. Disconnect the negative battery cable. 2. Remove the main fuse block cover. 3. Remove in the order indicated in the table. 4. Install in the reverse order of removal. Bolt Removal Note 1. Press and remove the tabs on the main fuse block at the positions indicated by the arrows. 2. L ...