Dtc P2195 [Z6] - Mazda 3 Workshop Manual

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
• Remove the EGR valve.
(See EGR VALVE
REMOVAL/INSTALLATION
• Does the EGR valve stuck open?
VERIFY TROUBLESHOOTING OF DTC
P2188 COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Clear the DTC from the PCM memory
using the WDS or equivalent.
16
• Perform the "PCM Adaptive Memory
Produce Drive Mode".
(See OBD DRIVE MODE
• Is the PENDING CODE for this DTC
present?
VERIFY AFTER REPAIR PROCEDURE
• Perform the "AFTER REPAIR
PROCEDURE".
17
(See AFTER REPAIR PROCEDURE
• Are any DTCs present?
DTC P2195
• The PCM monitors the front HO2S output voltage when the following conditions are
met. If the output voltage is less than 0.45 V for 46 s, the PCM determines that the
front HO2S signal remains lean.
MONITORING CONDITION
DETECTION
CONDITION
Diagnostic support note
• This is a continuous monitor. (HO2S)
• The MIL illuminates if the PCM detects the above malfunctioning condition in two
consecutive drive cycles or in one drive cycle while the DTC for the same
malfunction has been stored in the PCM.
• PENDING CODE is available if PCM detects the above malfunction conditions
during first drive cycle.
Downloaded from
[Z6].)
[Z6].)
[Z6].)

DTC P2195 [Z6]

Front HO2S signal stuck lean
- Fuel injection control system status: feedback zone
- ECT is more than 70 °C {158 °F}.
- Engine speed is more than 1,500 rpm.
https://carmanualshub.com/
(See EGR VALVE REMOVAL/INSTALLATION
[Z6].)
No Go to the next step.
Replace the PCM, then go to the next step.
Yes
(See PCM REMOVAL/INSTALLATION
No Go to the next step.
Go to the applicable DTC inspection.
Yes
(See DTC TABLE [Z6].)
No DTC troubleshooting completed.
- automotive repair manuals website
[Z6].)
B3E010202100W11