DTC Troubleshooting: P2195
DTC P2195: A/F Sensor (Sensor 1) Signal Stuck Lean
NOTE:
Before you troubleshoot, review the general troubleshooting information.
If the vehicle was out of fuel and the engine stalled before this DTC was stored, refuel, then clear the DTC with the HDS.
If DTC P2101, P2118, P2135, P2138, P2176, or a combination of P2122 and P2127, P2122 and P2138 or P2127 and P2138 is stored at the same time as DTC P2195, troubleshoot those DTCs first, then recheck for DTC P2195.

DTC Description
Confirmed DTC
Pending DTC
P2195 A/F Sensor (Sensor 1) Signal Stuck Lean
    

1.
MAF sensor/IAT sensor 1 visual check:

MAF sensor/IAT sensor 1 visual check
?1.
Remove MAF sensor/IAT sensor 1.

?2.
Check for dirt or debris in MAF sensor/IAT sensor 1.

Is it dirty?

     
YES
     
     
     
Remove the debris. If needed, replace MAF sensor/IAT sensor 1.?
     
NO
     
     
     
Go to step 2.
2.
A/F sensor (Sensor 1) installation check:

A/F sensor (Sensor 1) installation check
?1.
Check the installation of the A/F sensor (Sensor 1).

Is the A/F sensor loose or disconnected from the TWC?

     
YES
     
     
     
     
NO
     
     
     
Go to step 3.
3.
Problem verification:

Problem verification
?1.
Turn the vehicle to the ON mode.

?2.
Clear the DTC with the HDS.


?3.
Start the engine.

?4.
Hold the engine speed at 3,000 rpm without load (CVT in P or N, M/T in neutral) until the radiator fan comes on.

?5.
Check for Pending or Confirmed DTCs with the HDS.
DTC Description
Confirmed DTC
Pending DTC
P2195 A/F Sensor (Sensor 1) Signal Stuck Lean
    

Is DTC P2195 indicated?

     
YES
     
     
     
Check for poor connections or loose terminals at the A/F sensor (Sensor 1) and the PCM. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or substitute a known-good PCM, then recheck. If DTC P2195 goes away and the PCM was substituted, replace the original PCM.?
     
NO
     
     
     
Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the A/F sensor (Sensor 1) and the PCM. If the on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the on-board snapshot.?