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Home >> Infiniti >> 1993 >> J30 V6-181 3.0L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Engine Control Module >> Testing and Inspection >> Pinout Values and Diagnostic Parameters
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Pinout Values and Diagnostic Parameters

Engine Control Module (ECM) Harness Protector:





PREPARATION
1. Remove Engine Control Module (ECM) harness protector.


Engine Control Module (ECM) Pin Test (Recommended Probing Methods):





2. Perform all voltage measurements with connectors connected. Extend tester probe as shown to improve access and reduce the chance of damaging pin connectors.


Engine Control Module (ECM) Inspection Table:




Engine Control Module (ECM) Inspection Table:




Engine Control Module (ECM) Inspection Table:




Engine Control Module (ECM) Inspection Table:





EXPECTED PIN VOLTAGES

Engine Control Module (ECM) Terminal Layout:





TERMINAL LAYOUT

NOTE: Testing of circuit voltages can be done at the ECM connector by CAREFULLY backprobing the connector. Use a high-quality Digital Volt Ohm Meter (DVOM).
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