Mazda 6 Service Manual: Dtc 02, 18, 21 (when two or more dtcs are indicated at the same time)

Dtc 59

Dtc 06, 10, 12, 14, 18, 21 (when two or more dtcs are indicated at the same time)

Other materials:

Mazda 6 Service Manual: Light switch inspection
Light switch LH side 1. Remove the light switch. (See LIGHT SWITCH REMOVAL/INSTALLATION) 2. Inspect for continuity between the light switch terminals using an ohmmeter. If not as specified, replace the light switch. Headlight switch Turn switch Light switch RH side 1. Remove th ...

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 ...