Operation CHARM: Car repair manuals for everyone.
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

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Initial Inspection and Diagnostic Overview

DIAGNOSTIC TROUBLE CODE DIAGNOSIS

ON-BOARD DIAGNOSTICS

The CAN is a communication method which the ECUs use in order to communicate each other. The CAN-related diagnostic trouble codes will be stored in the following ECUs, which use the CAN communication.
- ETACS-ECU
- ECM
- TCM (CVT)
- TC-SST-ECU (TC-SST)
- Steering wheel sensor
- ASC-ECU
- AWC-ECU (RALLIART)
- Shift lever (TC-SST)
- A/C-ECU
- SRS-ECU
- Occupant classification-ECU
- Hands free module (vehicles with hands free system)
- Radio and CD player (vehicles without Mitsubishi Multi-Communication System (MMCS))
- CAN box unit (vehicles with Mitsubishi Multi-Communication System (MMCS))
- Satellite radio tuner (vehicles with satellite radio)
- WCM (vehicles without KOS)
- KOS-ECU (vehicles with KOS)
- Combination meter