Operation CHARM: Car repair manuals for everyone.
Home >> Mazda >> 2010 >> 5 L4-2.3L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Information Bus >> Testing and Inspection
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

Information Bus: Testing and Inspection




MULTIPLEX COMMUNICATION SYSTEM [MULTIPLEX COMMUNICATION SYSTEM]

Outline

- If the controller area network (CAN) system is malfunctioning, read the DTCs of the following modules, using the M-MDS to determine the malfunctioning system.

- PCM
- TCM (ATX)
- EHPAS control module
- ABS HU/CM (with ABS)
- DSC HU/CM (with DSC)
- Instrument cluster
- Information display
- HF/TEL unit (with HF/TEL system)
- Climate control unit (with full-auto air conditioner)
- Audio unit (base unit) (with audio unit)
- Car-navigation unit (with car-navigation unit)
- BCM

Flowchart

- Use the following flowchart to verify the cause of the trouble.

Step 1-Step 6:





Step 7:





Step 8-Step 13:





Step 14:





Step 15:





pro multis · About Operation CHARM