P2096

DTC P2096 / P2097

DTC Detecting Condition and Trouble Area






DTC Confirmation Procedure

WARNING:

If you do not select a suitable route and take proper precautions when performing a road test, an accident can occur.

- Select a level road with no traffic to minimize the risk of accident.
- Perform the test extremely carefully.
- Perform the road test using 2 persons, a driver and an assistant.

NOTE:

- Be sure to troubleshoot first unexpected DTCs previously detected in "DTC Confirmation Procedure".
- Confirm that the following conditions are met in this "DTC Confirmation Procedure".

- DTC P0102, P0103, P0131, P0132, P0137, P0138, P0171, P0172 or P2237 is not detected.

1) Connect scan tool with ignition mode of keyless push start system in "OFF".
2) Warm up engine to normal operating temperature.
3) Drive vehicle at 100 km/h (62 mile/h) for 10 min.

DTC Troubleshooting


1. Was "Engine and Emission Control System Check" performed?
YES
Go to Step 2.
NO
Go to Engine and Emission Control System Check Engine and Emission Control System Check.
2. HO2S signal check
Confirm that ignition mode of keyless push start system is in "OFF".
Connect scan tool.
Warm up engine to normal operating temperature and keep it at 2,000 rpm. for 60 sec.
Repeat racing engine (Depress and release accelerator pedal 5 to 6 times repeatedly to enrich and lean A/F mixture).
Check for HO2S output voltage displayed on scan tool.
Does HO2S output voltage indicates approx. 0 V for a few seconds, then approx. 0.7 V?
YES
Intermittent trouble.
Check for intermittent. Intermittent Connection and Poor Contact Inspection
NO
Go to Step 3.
3. Intake system and exhaust system for leakage check
Check intake system and exhaust system for leakage.
Are intake system and exhaust system in good condition?
YES
Go to Step 4.
NO
Repair or replace defective parts.
4. Fuel injectors and its circuit check
Check each fuel injectors and its circuit. Fuel System Inspection
Is check result satisfactory?
YES
Go to Step 5.
NO
Repair or replace defective fuel injector or wire harness
5. HO2S heater check
Check heater resistance of HO2S. Service and Repair
Is HO2S heater in good condition?
YES
Go to Step 6.
NO
Replace HO2S.
6. A/F sensor check
Check for A/F sensor. A/F Sensor On-Vehicle Inspection
Is check result satisfactory?
YES
Go to Step 7.
NO
Replace A/F sensor.
7. Engine mechanical systems check
Check engine mechanical systems.
Engine compression: Testing and Inspection
Valve clearance: Service and Repair
Intake and exhaust valve: Valve and Valve Guide Inspection
Valve timing: Camshaft and Tappet Removal and Installation
Are check result satisfactory?
YES
Go to Step 8.
NO
Repair or replace defective parts.
8. DTC recheck
Replace HO2S. Service and Repair
Perform DTC confirmation procedure and check DTC.
Is DTC P2096 and P2097 still detected?
YES
Replace ECM and recheck DTC. Service and Repair
NO
End.