
Diagnostic procedure


Dtc b1884, b1890
Dtc b1913, b1925, b1933, b1935Mazda 6 Service Manual: Running light unit inspection
1. Connect the connector to the running light unit.
2. Connect the negative battery cable.
3. Measure the voltage at the running light unit using voltmeter.
When inspecting terminal D, H or P for continuity, disconnect the running light unit connector.
4. If the value are not as specif ...
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 ...