
Diagnostic procedure


Dtc b1869, b1870
Dtc b1877, b1878, b1879, b1885Mazda 6 Service Manual: Clutch disc inspection
1. Using vernier calipers, measure the thickness of the lining at a rivet
head on both sides.
Replace the clutch disc if its thickness is less than the minimum.
Thickness
0.3 mm {0.012 in} min.
2. Measure the clutch disc runout using a dial indicator.
If the runout is excessiv ...
Mazda 6 Service Manual: Fuel pump unit inspection
Caution
It is normal to hear the fuel pump operating when the ignition
switch is turned to the ON position.
Note
To improve startability, the fuel pump control operates the fuel
pump unit when the ignition switch is turned to the ON position. Due to
this, fuel pressure is rapidly ...