Component Inspection
- Rear HO2S (S2) check
- S2 visual check
Check assembling state of S2. (Check the interference between sensor wiring and exhaust pipe.)
Check for corrosion, contamination, or damage on sensor terminal and connector.
- Is there something wrong?
YES
Repair as necessary , and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
Go to "Catalyst converter check " procedure.
- S2 visual check
- Catalyst converter check
- Catalyst converter visual check
Check discoloration by over-heating.
Check deflection or crack (hole).
Check noise.
- Check whether the catalyst converter is genuine.
- After erase the DTC, drive the vehicle more than 60sec according to "Enable Conditions" shown in DTC DETECTING CONDITION CHART, then confirm the DTC.
- Is there something wrong?
YES
Substitute with a known-good Catalyst Converter and check for proper operation. If the problem is corrected, replace Catalyst Converter and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
Many malfunctions in the electrical system are caused by poor harness(es) and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage. Check for poor connections, and check the related circuit between ECM and component thoroughly. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
- Catalyst converter visual check