Operation CHARM: Car repair manuals for everyone.
Home >> Mazda >> 2008 >> 3 L4-2.3L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Pinout Values and Diagnostic Parameters
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

Pinout Values and Diagnostic Parameters



PCM INSPECTION (LF, L3)


Without Using the M-MDS
California emission regulation applicable model

NOTE:

- The PCM terminal voltage can vary with the conditions when measuring and changes due to aged deterioration on the vehicle, causing false diagnosis. Therefore determine comprehensively where the malfunction occurs among the input systems, output systems, and the PCM.






PCM WIRING HARNESS-SIDE CONNECTOR










































*1 ATX

*2 MTX


Except for California emission regulation applicable model with LF ATX

NOTE:

- The PCM terminal voltage can vary with the conditions when measuring and changes due to aged deterioration on the vehicle, causing false diagnosis. Therefore determine comprehensively where the malfunction occurs among the input systems, output systems, and the PCM.








PCM WIRING HARNESS-SIDE CONNECTOR










































Except for California emission regniation applicable model with LF MTX and L3

NOTE:

- The PCM terminal voltage can vary with the conditions when measuring and changes due to aged deterioration on the vehicle, causing false diagnosis. Therefore determine comprehensively where the malfunction occurs among the input systems, output Systems, and the PCM.






PCM WIRING HARNESS-SIDE CONNECTOR







































*1 ATX

*2 MTX
pro multis · About Operation CHARM