
Diagnostic procedure

Dtc b1877, b1878, b1879, b1885
Dtc b1884, b1890Mazda 6 Service Manual: Cruise Control Switch
Cruise Main Indication (White)/ Cruise Set Indication (Green)
The indication has two colors.
Cruise Main Indication (White)
The indication turns on (white) when the cruise control system is activated.
Cruise Set Indication (Green)
The indication turns on (gr ...
Mazda 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 ...