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 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
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| 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
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