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6E–138 4JX1–TC ENGINE DRIVEABILITY AND EMISSIONS Diagnostic Trouble Code (DTC) P0406 (Flash DTC 26) EGR Pressure Sensor High Voltage 060RW134 Action Taken When the DTC Sets D The ECM will illuminate the malfunction indicator lamp D The ECM will store conditions which were present Conditions for Clearing the MIL/DTC D DTC P0404 can be cleared by using the scan tool Diagnostic Aids Check for the following conditions: D Poor connection or damaged harness – Inspect the DTC P0406 – EGR Pressure Sensor High Voltage
Step Action Value(s) Yes No 1 Was the “On-Board Diagnostic (OBD) System Check” — Go to Step 2 Go to OBD System Check 2 Put the engine into an idling status. Is the EGR pressure sensor voltage value displayed on 4 V Go to Step 3 Go to Step 4 3 1. Turn off the ignition switch. Is the EGR pressure sensor voltage value displayed on 1 V Go to Step 5 Go to Step 6 |