Except California

AG: DTC P0420 - CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD

DTC DETECTING CONDITION:
- Two consecutive driving cycles with fault

TROUBLE SYMPTOM:
- Engine stalls.
- Idle mixture is out of specifications.

CAUTION: After repair or replacement of faulty parts, conduct CLEAR MEMORY MODE and INSPECTION MODE. Refer to "How to Clear Diagnostic Trouble Codes".




WIRING DIAGRAM

Step 11AG1:

Step 11AG2:

Step 11AG3:

Step 11AG4:

PROCEDURES