
Diagnostic procedure

Dtc p0766
Dtc p0768Mazda 6 Service Manual: Transaxle Ranges
The shift position indicator light in the instrument cluster illuminates.
The selector lever must be in P or N to operate the starter.
P (Park)
P locks the transaxle and prevents the front wheels from rotating.
WARNING
Always set the selector lever to P and set the parking brake:
Only s ...
Mazda 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 ...