Mazda 6 Service Manual: Dtc b1871

Dtc b1869, b1870

Dtc b1877, b1878, b1879, b1885

Other materials:

Mazda 6 Service Manual: Door lock timer unit inspection
1. Measure the voltage at the door lock timer unit terminals (other than terminal 1E and 2W) as indicated below. If not as specified, inspect the parts listed under Action. 2. Disconnect the negative battery cable. 3. Disconnect the door lock timer unit connector and inspect for continuity ...

Mazda 6 Service Manual: Overheating
If the high engine coolant temperature warning light turns on, the vehicle loses power, or you hear a loud knocking or pinging noise, the engine is probably too hot. WARNING Pull over to a safe location, then switch the ignition off and make sure the fan is not running before attempting t ...