Gap Diagnostic IIDTool - Fuel Burning;Auxiliary Heater (L322-10, L319, L320); Fuel Priming; Check Operation; Instrument Pack

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IIDTool

User Manual : Version 33, Firmware V3.0

4.7.5 Fuel Burning/Auxiliary Heater (L322-10, L319, L320)

Fuel Priming

This routine will remove air from the system (if present) replacing it with fuel.

Check Operation

Thisroutinewillactivatethefuelburning/auxiliaryheaterregardlessoftheambientandenginetem-

peratures. This routine will begin by clearing faults stored in the ECU. If the routine fails, proceed with

areadfaultandxtheissue.

Note: Use the Set HVAC for AHCM (L322-10) prior to using the Fuel Priming or Check Operation

routines on a L322-10.

Usage

These functions are useful to get the system up and running after a long period of inactivity, when

replacing the unit or simply to diagnose a problem.

Preparation (for both functions)

•TurnthekeytotheON(positionII)orpressthestartbuttonwithoutstartingtheengine.

•Turno󰀨theHVACsystem.

4.7.6 Instrument Pack

Service Interval Reset (All except L322-02, L359 2013+*, L538*)

This resets the service reminder displayed on the instrument cluster.

Note: Please perform the appropriate maintenance prior to resetting. This procedure requires the

engine to be turned OFF. The ignition must be turned ON.

*Theresetcanbedonewithoutusingadiagnostictool.

L316: The reset routine is found in the engine ECU

CAUTION

For vehicles equipped with a diesel particulate ler, the reset func-

tion aects the regeneration process. Therefore, an oil change should

be made at the same time as reset. Not changing the oil can cause

serious engine damage.

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