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

NOTE:
- *1: The average voltage through an analog voltmeter is described in this service manual (because the average voltage would be not constantly shown on a digital voltmeter).
- *2: Vehicles for Canada, the headlight, taillight, etc. remain lit even when the lighting switch is in "OFF" position but is no problem for checks.

Check Harness Special Tool MB992110 Connector Terminal Arrangement (Part 1):

Check Harness Special Tool MB992110 Connector Terminal Arrangement (Part 2):

Check Harness Special Tool MB992110 Connector Terminal Arrangement (Part 3):

Check Harness Special Tool MB992110 Connector Terminal Arrangement (Part 4):

Check Harness Special Tool MB992110 Connector Terminal Arrangement (Part 5):

Check Harness Special Tool MB992110 Connector Terminal Arrangement (Part 6):

TERMINAL RESISTANCE AND CONTINUITY CHECK

Terminal Resistance And Continuity Check (Part 1):

Terminal Resistance And Continuity Check (Part 2):