Operation CHARM: Car repair manuals for everyone.
Home >> Mazda >> 2004 >> 6 L4-2.3L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Reading and Clearing Diagnostic Trouble Codes >> Reading Diagnostic Trouble Codes >> With Scan Tool
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

With Scan Tool

DTCs Reading Procedure

1. Perform the necessary vehicle preparation and visual inspection.




2. Connect WDS or equivalent to the vehicle DLC-2 16-pin connector located at the left side of the center console.
3. Retrieve DTCs by WDS or equivalent.

Pending Trouble Code Access Procedure

1. Perform the necessary vehicle preparation and visual inspection.




2. Connect WDS or equivalent to the vehicle DLC-2 16-pin connector located at the left side of the center console.
3. Retrieve PENDING trouble codes by WDS or equivalent.
pro multis · About Operation CHARM