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Home >> Land Rover >> 2018 >> Range Rover Velar Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Exhaust System - INGENIUM I4 2.0L Diesel -- Range Rover Velar/L560) >> Exhaust System - INGENIUM I4 2.0L Diesel >> Diagnosis And Testing >> Exhaust System - INGENIUM I4 2.0L Diesel (G1785160) >> Diagnostic Routines

Diagnostic Routines

WARNING: This page is about a different variant/trim than selected.
ROUTINE DESCRIPTION ROUTINE ACTION
Diesel exhaust fluid level check To see current DEF  level and then show the technician the required amount to top-up the tank if required
Reset selective catalyst reduction start inhibit To Reset Selective Catalyst Reduction (SCR) Inducement System Start Inhibit
Reset selective catalyst reduction quality monitor To Reset SCR  Quality Monitor
SCR  Dosing Module Test This cluster of routines tests:
  • The pattern of DEF  injected from the dosing module as there is often a build-up of residue around the actual injector
  • The Dynamic Behavior - Tests the quantity of DEF  delivered with the injector opened for a given period of time
  • The Static Reductant Dosing Quantity - This routine tests the quantity of DEF  delivered against an expected value
  • Flushes the Dosing module (DEF  Injector) to remove any crystallization or contamination
Diesel exhaust fluid injection pump replacement To Reset DEF  Pump Offset Calibration
Diesel exhaust fluid tank level sensor replacement To Reset DEF  Volume Using Sensed Tank Level
Diesel exhaust fluid prime and pressure test
  • Selective reductant catalyst system end of line first fill and pressure test routine. This routine will prime and test the system
    • This routine attempts to pressurize the system to 6 bar/87 psi. If it does not achieve this pressure within a predetermine time it may open the dosing module slightly to release any air from the system. This routine should not be used as a diagnostic function for testing the dosing module