3.
Check the "Current Data" about related DTC with GDS.
Fig.1) Approx. 2300rpm
To compare the performance of the catalyst oxygen sensor 1 and 2 can be determined
When HO2S(S1) and HO2S(S2) have the same value, the catalyst convertor is defective
Connect GDS to DLC(Data Link Cable).
Warm up the engine to normal operating temperature.
Check the "Current Data" about related DTC with GDS.
Fig.1) Approx. 2300rpm
To compare the performance of the catalyst oxygen sensor 1 and 2 can be determined
When HO2S(S1) and HO2S(S2) have the same value, the catalyst convertor is defective
Does the Catalyst converter operate properly? (Check variation)
 | ▶ Go to "Verification of Vehicle Repair" procedure. |
 | ▶ Carefully re-do this troubleshooting guide steps. ▶ If no problems were found with the circuits or connectors, replace the Catalyst Converter and go to "Verification of Vehicle Repair" procedure. |
