Catalytic Converter Inspection
Warm Up TWC (WU-TWC)

2. WU-TWC - Inspect
1.
Using a flashlight (A) and plug (B) visually check for plugging, melting, or cracking of the catalyst. Replace the warm up TWC if any of the visible area is damaged or plugged.

Under-Floor TWC

5. Under-Floor TWC - Inspect
1.
Using a flashlight (A) and plug (B) visually check for plugging, melting, or cracking of the catalyst. Replace the under-floor TWC if any of the visible area is damaged or plugged.