

Diagnostic procedure


Dtc p0138
Dtc p0171Mazda 6 Service Manual: Intake air temperature (iat) sensor inspection
Resistance Inspection
Note
Perform the following inspection only when directed.
1. Disconnect MAF/IAT sensor.
2. Measure the resistance between the MAF/IAT sensor terminals D and E using
an ohmmeter.
If not as specified, replace the MAF/IAT sensor.
If the MAF/IAT sensor is okay, but ...
Mazda 6 Service Manual: Drive belt replacement
1. Remove the splash shield (RH).
2. Turn the center of the tensioner pulley clockwise to release tension to
the drive belt.
3. Remove the drive belt.
4. Reinstall the drive belt or install a new drive belt.
5. Verify that the drive belt auto tensioner indicator mark does not exceeds
the l ...