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Pin Voltage Specifications

NOTE: Pin voltage chart is not available from manufacturer. ECM pin terminal identification is given for reference.

The following conditions must be present before testing pin voltages.

Engine At Normal Operating Temperature.
Engine Idling In Closed Loop (ENG. RUN Column).
ALDL Test Terminal Not Grounded.
Scan Tool Not Installed.
All B+ Voltages Indicate Charging Or Battery Voltage.
All "0" voltages are ground circuits (should read less than 0.50 volt).

Fig 1: Pin Voltage Chart

G93B79252

Courtesy of ISUZU MOTOR CO.