
Diagnostic procedure

Dtc b2777, b2778, b2779, b2780
TroubleshootingMazda 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: System Operation
Make sure that the Lane-keep Assist System (LAS) & Lane Departure Warning System
(LDWS) OFF indicator light in the instrument cluster is turned off. When the Lane-keep
Assist System (LAS) & Lane Departure Warning System (LDWS) OFF indicator light is
turned on, press the switch and make ...