
Diagnostic procedure

Dtc b1913, b1925, b1933, b1935
Dtc b1992, b1993, b1994, b1995Mazda 6 Service Manual: Exterior lighting system
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Mazda 6 Service Manual: Engine control system operation inspection
Main Relay Operation Inspection
Verify that the main relay clicks when the ignition switch is turned to ON
position and off.
If there is no operation sound, inspect the following.
- Main relay (See RELAY INSPECTION.)
- Harness and connector between ignition switch and main relay termi ...