
Diagnostic procedure

Dtc b1681
Dtc b1600Mazda 6 Service Manual: Diagnostic assist function
Structural View
Switch location
LCD Inspection
1. With audio on, first press the POWER button, then simultaneously press the
SEEK button (upper) for approximately 1 second.
2. Inspect the LCD according to the following table:
3. Turn the audio off or the ignition switch to the LOCK posi ...
Mazda 6 Service Manual: Troubleshooting procedure
Basic flow of troubleshooting
DTC troubleshooting flow (on-board diagnostic)
Diagnostic trouble codes (DTCs) are important hints for repairing
malfunctions that are difficult to simulate.
Perform the specific DTC diagnostic inspection to quickly and accurately
diagnose the malfunction.
The ...