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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 204 (Engine Controls - Self-Diagnostics - 1.8L - Ca) >> Diagnostic Tests >> DTC P0405 Or DTC P0406: EGR Temperature Sensor >> DTC Confirmation Test "B" (Overall Function Check)

DTC Confirmation Test "B" (Overall Function Check)

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.
NOTE: Use the following test to check overall function of EGR temperature sensor. During this test, DTC may not be confirmed.

Malfunction is detected when EGR temperature sensor voltage is high when engine coolant temperature is high. Possible causes are:

Start engine and warm to normal operating temperature. Turn ignition off and wait for at least 10 seconds, then turn ignition on. Start engine and test drive vehicle with gear selector in appropriate position so engine speed is 1200-3600 RPM and vehicle speed is greater than 6 MPH. If a first trip DTC is retrieved, perform DIAGNOSTIC PROCEDURE  . If DTC is not set, problem may be intermittent. See TESTING PROCEDURE  under SELF-DIAGNOSTIC SYSTEM.

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