
Diagnostic procedure


Dtc b1869, b1870
Dtc b1877, b1878, b1879, b1885Mazda 6 Service Manual: Electrical parts
Battery cable
Before disconnecting connectors or removing electrical parts, disconnect
the negative battery cable.
Wiring Harness
To remove the wiring harness from the clip in the
engine room, pry up the hook of the clip using a
flathead screwdriver.
...
Mazda 6 Service Manual: Power steering fluid inspection
Fluid Level Inspection
1. Inspect the power steering fluid level.
Add fluid to the specified level as necessary.
Fluid specification
ATF M-III or equivalent (e.g. Dexron®II)
Fluid Leakage Inspection
1. Start the engine and let it idle.
2. Turn the steering wheel fully to the left and ...