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

Tests HE: Exhaust Gas Recirculation (EGR) Systems

Test Note:

Test Schematic And Connectors:

Schematic, Test HE1 - HE2:

HE3 - HE11:

HE12 - HE16:

HE17 - HE21:

HE22 - HE23:

HE24:

HE25 - HE27:

HE28 - HE30:

HE31 - HE32:

HE33 - HE51:

HE52 - HE53:

HE60 - HE62:

HE63 - HE71:

HE72 - HE73:

HE74 - HE76:

HE80 - HE84:

HE85 - HE91:

HE92 - HE93:

HE94 - HE100:

HE110 - HE114:

HE120: