Mazda 6 Service Manual: Dtc b1342

Dtc b1231

Dtc b1869, b1870

Other materials:

Mazda 6 Service Manual: Contact Authorized Mazda Dealer and Have Vehicle Inspected
If any of the following warning lights or the indicator light turns on/flashes, the system may have a malfunction. Contact an Authorized Mazda Dealer to have your vehicle inspected. ...

Mazda 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 ...