
Diagnostic procedure


Dtc b1921
Dtc b1996, b1997, b1998, b1999Mazda 6 Service Manual: Discharge headlight service warnings
Discharge headlight bulb service warnings
To prevent electrical shock when replacing the discharge headlight bulb,
dry hands thoroughly, and carry out work in an area out of rain.
When the light switch is on, approx. 25,000 V of high voltage passes
through the discharge headlight bulb so ...
Mazda 6 Service Manual: Generator inspection
Generator Warning Light
1. Verify that the battery is fully charged.
Charge if necessary.
2. Verify that the drive belt deflection/tension is correct. (See DRIVE BELT
INSPECTION.)
If not as specified, replace the drive belt.
3. Turn the ignition switch to ON and verify that the gene ...