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Home >> Land Rover >> 2014 >> Range Rover Autobiography >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (Exhaust System - TDV6 3.0L Diesel -- Range Rover/L405) >> Exhaust System - TDV6 3.0L Diesel >> Exhaust System DTC: Selective Catalytic Reduction (SCR) >> Diagnosis And Testing >> Diagnostic Routines

Diagnostic Routines

WARNING: This page is about a different car, the 2018 Land Rover Range Rover, 2017 Land Rover Range Rover, and 2016 Land Rover Range Rover. However, it is still accessible from the selected car via links, so may be relevant.
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 Reductant (SCR) Inducement System Start Inhibit
Reset selective catalyst reduction quality monitor To Reset Selective Catalyst Reductant (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
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