P2195

DTC P2195: Rear A/F Sensor (Bank 1, Sensor 1) Signal Stuck Lean

NOTE: Information marked with an asterisk (*) applies to the front bank (Bank 2).

If the vehicle was out of fuel and the engine stalled before this DTC was stored, refuel and clear the DTC with the HDS. If P0135, P2101, P2108, P2118, P2135, P2176, U0107 or a combination of P2122 and P2127, P2122 and P2128 or P2127 and P2128 is stored at the same time, troubleshoot them first, then recheck for DTC P2195 (P2197)*.

1. Inspect the condition of the A/F sensor (Sensor 1).

Is it loose in the exhaust pipe?

YES - Go to step 2.

NO - Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the A/F sensor (Sensor 1) and the PCM.

2. Turn the ignition switch OFF.
3. Reinstall the A/F sensor (Sensor 1).
4. Turn the ignition switch ON (II).
5. Reset the PCM with the HDS.
6. Do the PCM idle learn procedure.
7. Start the engine. Hold the engine speed at 3,000 rpm with no load (in Park or neutral) until the radiator fan comes on, then let it idle for 2 minutes.
8. Check for Temporary DTCs or DTCs with the HDS.

Are any DTCs or DTCs indicated?

YES - If DTC P2195 and/or P2197* is indicated, replace the A/F sensor (Sensor 1), then go to step 1. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.

NO - Go to step 9.

9. Monitor the OBD STATUS for DTC P2195 and/or P2197* in the DTCs MENU with the HDS.

Does the screen indicate PASSED?

YES - Troubleshooting is complete.

NO - If the screen indicates FAILED, check for poor connections or loose terminals at the A/F sensor (Sensor 1) and the PCM, then then go to step 1. If the screen indicates NOT COMPLETED, go to step 7 and recheck.