
Diagnostic procedure

Dtc b1231
Dtc b1869, b1870Mazda 6 Service Manual: Heated oxygen sensor (ho2s) inspection
HO2S Voltage Inspection
Note
Perform the following inspection only when directed.
1. Warm up the engine and run it at idle.
2. Disconnect the HO2S connector.
3. Connect the voltmeter test leads to the following HO2S terminals:
HO2S (front and rear)
- (+) leadterminal A
- (-) le ...
Mazda 6 Service Manual: Bluetooth® Audio
Applicable Bluetooth® specification (Recommended)
Ver. 1.1/1.2/2.0 EDR/2.1
EDR/3.0 (conformity)
Response profile
A2DP (Advanced Audio Distribution Profile) Ver. 1.0/1.2
AVRCP (Audio/Video Remote Control Profile) Ver. 1.0/1.3/1.4
A2DP is a profile which transmits only audio to the Blue ...