LEMON Manuals: Even more car manuals for everyone
Home >> Honda >> 2000 >> CR-V SE, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Engine Controls - Self-Diagnostics - 2.2L) >> Diagnostic Trouble Code Identification >> DTC P0406: EGR Sensor Circuit High >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2000 Isuzu Rodeo and 2000 Isuzu Amigo. However, it is still accessible from the selected car via links, so may be relevant.

EGR system is used to reduce NOx (oxides of nitrogen) levels. This system uses a linear EGR valve. Using inputs from various sensors, PCM controls EGR pintle position and can be monitored with scan tool. Actual EGR position should always be near the commanded or desired EGR position. If PCM detects a short to ground in the EGR signal circuit or EGR valve sensor, DTC P0406 will be set. DTC P0406 is a type "A" code.

Conditions required to set DTC are:

scientia non olet · About LEMON Manuals