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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 40 (Engine Controls - Self-Diagnostics - 2.5) >> Diagnostic Tests >> DTC P0101, DTC P0102, DTC P0103 & P1102 >> DTC Confirmation Test "B" & "E"

DTC Confirmation Test "B" & "E"

WARNING: This page is about a different car, the 2002 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.

Malfunction "B" is detected when ECM receives an excessively low voltage from MAF sensor when engine is running. ECM will enter fail-safe mode. Malfunction "E" is detected when voltage is constantly one volt when engine is running. Possible causes are:

To set DTC, turn ignition on. Select DATA MONITOR with scan tool. Start engine and wait no more than 5 seconds. If first trip DTC is detected, go to DIAGNOSTIC PROCEDURE .

NOTE: If first trip DTC is detected after 5 seconds, malfunction "C" may be present.
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