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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 106 (Engine Controls - Self-Diagnostics) >> Scan Tool Usage >> Consult-II >> Data Monitor (SPEC) Mode
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Data Monitor (SPEC) Mode

WARNING: This page is about a different car, the 2003 Infiniti Q45. However, it is still accessible from the selected car via links, so may be relevant.

For DATA MONITOR (SPEC) mode descriptions, see DATA MONITOR (SPEC) MODE DESCRIPTIONS  table.

DATA MONITOR (SPEC) MODE DESCRIPTIONS

Monitored Item Description
ENG SPEED [rpm] Indicates engine speed computed from crankshaft position sensor (POS) signal.
MAS A/F SE-B1 [V] The signal voltage of the mass airflow sensor specification is displayed. When engine is running, specification range is indicated.
B/FUEL SCHDL [msec] "Base fuel schedule" indicates the fuel injection pulse width programmed into ECM, prior to any learned on board correction. When engine is running, specification range is indicated.
A/F ALPHA-B1 Or B2 [%] The mean value of the air-fuel ratio feedback correction factor per cycle is indicated. When engine is running, specification range is indicated. This data also includes the data for the air-fuel ratio learning control.
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