Catalytic Converter Inspection: Inspection

Warm Up TWC (WU-TWC) 

1. WU-TWC - Remove - Refer to: Warm Up TWC Removal and Installation, or Under-Floor TWC Removal and Installation
2. WU-TWC - Inspect

   Courtesy of HONDA, U.S.A., INC.

   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.

3. WU-TWC - Install - Refer to: Warm Up TWC Removal and Installation, or Under-Floor TWC Removal and Installation

   Under-Floor TWC 

4. Under-Floor TWC - Remove - Refer to: Warm Up TWC Removal and Installation, or Under-Floor TWC Removal and Installation
5. Under-Floor TWC - Inspect

   Courtesy of HONDA, U.S.A., INC.

   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.

6. Under-Floor TWC - Install - Refer to: Warm Up TWC Removal and Installation, or Under-Floor TWC Removal and Installation