
Diagnostic procedure


Dtc b1921
Dtc b1996, b1997, b1998, b1999Mazda 6 Service Manual: Ignition switch inspection
1. Disconnect the negative battery cable.
2. Remove the column cover. (See COLUMN COVER REMOVAL/INSTALLATION)
3. Disconnect the ignition switch connectors.
4. Inspect for continuity between the ignition switch terminals using an
ohmmeter.
If not as specified, replace the ignition switch.
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Mazda 6 Service Manual: i-ELOOP
i-ELOOP is a regenerative braking system. When you depress the brake pedal or
use engine braking, the kinetic energy that occurs is converted to electrical energy
by the power generator and the converted electrical energy is stored in the rechargeable
battery (capacitor and battery). The store ...