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)

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Pinout Values and Diagnostic Parameters

CHECK AT THE ENGINE CONTROL MODULE (ECM)

1. Disconnect the ECM connectors B-09 and B-10, and connect check harness special tool MB992110 between the ECM connectors.
2. Measure the voltage between each check harness connector terminal and check harness connector ground terminal (No. 81 or No. 93).

TERMINAL VOLTAGE CHECK CHART

Terminal Voltage Check Chart (Part 1):

Terminal Voltage Check Chart (Part 2):

Terminal Voltage Check Chart (Part 3):

Terminal Voltage Check Chart (Part 4):

Terminal Voltage Check Chart (Part 5):

Terminal Voltage Check Chart (Part 6):

TERMINAL RESISTANCE AND CONTINUITY CHECK

Terminal Resistance And Continuity Check (Part 1):

Terminal Resistance And Continuity Check (Part 2):