Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Catalyst Monitor Repair Verification

1. Refer to and complete the Vehicle Preparation before initiating the following repair verification steps.
2. Start the engine and drive the vehicle for 25 minutes.
a. Drive in stop-and-go traffic for 20 minutes, include six different constant speeds between 40 and 72 km/h (25 and 45 mph).
b. Drive on expressway or highway for an additional 5 minutes.
3. Rerun Quick Test. Diagnostic Methods/Quick Tests