Gap Diagnostic IIDTool - Sensors Calibration

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IIDTool

User Manual : Version 33, Firmware V3.0

WARNING

Calibration of individual sensors should only be attempted by

experienced users. Read this section very carefully and only

undertake a calibration when the procedure is fully understood.

Serious damages can occur if the procedure is performed im-

properly! GAP Diagnostics assumes no liability for damages

or injuries incurred during use or resulting from the use of the

IIDTool.

Notes :

• Dierent calibration values for each corner are normal – they do NOT need to be set to the

same value! These values represent arbitrary electrical constants relative to the height sensors

mechanical positioning. Correlating these values to the measured height of each corner is part

of the calibration procedure.

• Changes in calibration are instantaneous in the EAS ECU but the ECU may not apply these

changes immediately. The EAS ECU will adjust a corner when it’s +/- 10 mm or higher than the

desired height. For example, if the corner is at +9 mm, it will not adjust the corner height.

• The settings and changes are given in millimetres but this does not correspond exactly to

changes at the wheel. Each change in height must be measured from the bottom of the wheel

arch to the centre of the wheel.

• A metric measuring tape is recommended for proper calibration.

II Sensors calibration

Steps:

1. Preparation: go to https://www.gap-diagnostic.com/support/documents/IIDTool/, download and

print the EAS Calibration Aid and Sample EAS Calibration Calculation. Make sure the air

pressureineachtire(ortyre...)arewithinspecicationandthatnoheavyobjectsareinthevehi-

cle. Place the vehicle on a at, levelled surface in standard mode with wheels straight. While

small surface irregularities may not reduce calibration accuracy, large irregularities can make

the calibration harder to verify. The calibration must be done outside with the engine running as

the air suspension will not rise when the engine’s not running. Study these instructions and the

Sample EAS Calibration Calculation before proceeding.

2. Thevehiclemustrstbebroughttoasteadystateinstandardheightmode.Todothis,change

theheighttoo󰀨-roadusingtheswitchontheconsole.Onceato󰀨-roadheight(o󰀨-roadLEDnot

ashing),returntostandardheightandagainwaitfortheLEDtostopashing.Movethevehicle

forward 5 metres and back to its original position.

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