VI EQ UUS A IR SUSP EN SIO N C A LIBRA TIO N P RO C ED URES€¦ · T H I S B UL L E T I N S U PE R...
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5/8/2020 TSB • Suspension System • [12-SS-003] VI EQUUS AIR SUSPENSION CALIBRATION PROCEDURES • 2012 Hyundai Equus (VI) • Moto… https://www.motologic.com/car/2012_equus_vi/article/e862f7-5b4b3aa3f4863c5f132bff3fad9ff4040d8388410?returnPath=%2Fcar%2F2012_equus_v… 1/10 Report a problem with this article GROUP NUMBER SUSPENSION 12-SS-003 DATE MODEL(S) Technical Service Bulletin APRIL 2012 VI EQUUS SUBJECT: VI EQ UUS AIR SUSPENSIO N C ALIBRATIO N PRO C EDURES THIS BULLETIN SUPERSEDES TSB 11-SS-005 TO INCLUDE NOTES ON ENVIRONMENTAL EFFECTS ON THE AIR SUSPENSION SYSTEM AND HOW TO RECOVER RIDE HEIGHT. Description: This bulletin describes the procedures to check the air mass in the suspension system, refill if necessary, and calibrate the ride height sensors. Ø NOTE · VI Equus is equipped with an air-suspension system. This system can be affected by changes in ambient temperature and pressure. Under normal vehicle operating conditions, these changes will not affect vehicle performance. · During long-term parking without running the engine, ambient conditions may affect vehicle ride height. In the event ride height changes during parking, start and run the engine at idle for 10 minutes to recover proper ride height. · If engine idling does not recover proper ride height, it may be necessary to manually fill the system according to the procedures described in this TSB. System air mass must be maintained above 80 bar-liter for proper system operation. Applicable Vehicles: All VI Equus Warranty Information: Model Op Code Operation Op Time Causal Part # Nature Code Cause Code VI 55800A00 Air-Suspension Air 0.4 M/H 55880- N89 C38 Filling 3N000 Circulate To: General Manager, Service Manager, Parts Manager, Warranty Manager, Service Advisors, Technicians, Body Shop Manager, Fleet Repair ↻ ↻
Transcript of VI EQ UUS A IR SUSP EN SIO N C A LIBRA TIO N P RO C ED URES€¦ · T H I S B UL L E T I N S U PE R...
5/8/2020 TSB • Suspension System • [12-SS-003] VI EQUUS AIR SUSPENSION CALIBRATION PROCEDURES • 2012 Hyundai Equus (VI) • Moto…
https://www.motologic.com/car/2012_equus_vi/article/e862f7-5b4b3aa3f4863c5f132bff3fad9ff4040d8388410?returnPath=%2Fcar%2F2012_equus_v… 1/10
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GROUP NUMBERSUSPENSION 12-SS-003
DATE MODEL(S)Technical Service BulletinAPRIL 2012 VI EQUUS
SUBJECT: VI EQ UUS AIR SUSPENSIO N C ALIBRATIO N PRO C EDURESTHIS BULLETIN SUPERSEDES TSB 11-SS-005 TO INCLUDE NOTES ON ENVIRONMENTAL
EFFECTS ON THE AIR SUSPENSION SYSTEM AND HOW TO RECOVER RIDE HEIGHT.
Description: This bulletin describes the procedures to check the air mass in the suspension system,refill if necessary, and calibrate the ride height sensors.
Ø NOTE
· VI Equus is equipped with an air-suspension system. This system can be affected by changesin ambient temperature and pressure. Under normal vehicle operating conditions, thesechanges will not affect vehicle performance.
· During long-term parking without running the engine, ambient conditions may affect vehicle rideheight. In the event ride height changes during parking, start and run the engine at idle for 10minutes to recover proper ride height.
· If engine idling does not recover proper ride height, it may be necessary to manually fill thesystem according to the procedures described in this TSB. System air mass must bemaintained above 80 bar-liter for proper system operation.
Applicable Vehicles: All VI Equus
Warranty Information:Model Op Code Operation Op Time Causal Part # Nature Code Cause Code
VI 55800A00 Air-Suspension Air 0.4 M/H 55880- N89 C38Filling 3N000
Circulate To: General Manager, Service Manager, Parts Manager, Warranty Manager, ServiceAdvisors, Technicians, Body Shop Manager, Fleet Repair
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5/8/2020 TSB • Suspension System • [12-SS-003] VI EQUUS AIR SUSPENSION CALIBRATION PROCEDURES • 2012 Hyundai Equus (VI) • Moto…
https://www.motologic.com/car/2012_equus_vi/article/e862f7-5b4b3aa3f4863c5f132bff3fad9ff4040d8388410?returnPath=%2Fcar%2F2012_equus_v… 2/10
SUBJECT: VI EQUUS AIR SUSPENSION CALIBRATION PROCEDURESGDS Installation Procedure
A: Diagnostic terminal / B: VCI (Vehicle Communication Interface) / C: USB (UniversalSerial Bus) cable / D: Power supply cable / E: DLC cable
1. Connect the power supply cable to the diagnostic terminal.
Ø NOTEIf attempting to perform the update with the power supply cable disconnected from the diagnosticterminal, make certain that the diagnostic terminal is charged enough for the update. If not, theupdate may fail in progress. Therefore, it is strongly recommended to connect the power supplycable to the diagnostic terminal during the update procedure.
2. Connect the USB cable between the VCI and the diagnostic terminal.
Ø NOTEWhen performing the update using the GDS, wireless communication between the VCI and thediagnostic terminal is NOT available. Therefore, be sure to connect the USB cable between theVCI and the diagnostic terminal.
3. Connect the 16-pin DLC cable from the VCI into the vehicle's 16-pin connector under the driverside instrument panel.
4. Turn on the VCI and diagnostic terminal with the ignition ON.
Ø NOTEDo not start the engine.- For push-button start, press the start button twice without depressing the brake pedal.
TSB #: 12-SS-003 Page 2 of 10SUBJECT:
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5/8/2020 TSB • Suspension System • [12-SS-003] VI EQUUS AIR SUSPENSION CALIBRATION PROCEDURES • 2012 Hyundai Equus (VI) • Moto…
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SUBJECT: VI EQUUS AIR SUSPENSION CALIBRATION PROCEDURESSystem Air Mass Check
Ø NOTE- Suspension must be in Normal height mode.
1. Choose VIN or ECU Upgrade on the initial screen.
2. Enter the vehicle information by pressing the VIN Auto Detect button, entering the vehicle'sVIN or selecting the vehicle model, model year, engine/fuel type and ECS as the system andthen click OK.
3. Select Inspection/Test on the initial screen after entering the vehicle information.
4. Select Checking Air Pressure System.
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SUBJECT: VI EQUUS AIR SUSPENSION CALIBRATION PROCEDURES
5. Select Air Pressure Check and press OK when ready.
6. The results will be displayed. System Air Mass must be 80~120 bar-liter. If the system airmass is less than 80 bar-liter, assuming no leaks are present, the system must be refilledaccording to the procedures in this TSB.
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SUBJECT: VI EQUUS AIR SUSPENSION CALIBRATION PROCEDURES
System Air Filling
Ø NOTES- Suspension must be in Normal height mode.- A rubber-tipped air nozzle is required.- Ensure supply air pressure is at least 175 psi.- Vehicle must be on a lift with all four wheels off the ground during filling procedure.- Ignition must be in the ON position during air filling procedure.- Ensure no system air leaks are present before beginning this procedure. Any leak must be
repaired prior to air filling.
1. Choose VIN or ECU Upgrade on the initial screen.
2. Enter the vehicle information by pressing the VIN Auto Detect button, entering the vehicle'sVIN or selecting the vehicle model, model year, engine/fuel type and ECS as the system andthen click OK.
3. Select Inspection/Test on the initial screen after entering the vehicle information.
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SUBJECT: VI EQUUS AIR SUSPENSION CALIBRATION PROCEDURES4. Select Air Filling/Venting Setup.
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SUBJECT: VI EQUUS AIR SUSPENSION CALIBRATION PROCEDURES5. The vehicle must be on a lift with all four wheels off the ground, with the suspension height
setting at NORMAL. Be prepared with a rubber-tipped air nozzle to fill the system. Ensure thesupply air pressure is set to at least 175 psi. Locate the air valve on the driver’s side of theengine compartment.
6. Select Reservoir and all four air springs. Once selected, press OK while simultaneouslyfilling air through the valve using the rubber-tipped nozzle.
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SUBJECT: VI EQUUS AIR SUSPENSION CALIBRATION PROCEDURES7. A message will come up when the system has been successfully filled. Press OK to complete
filling process.
8. After filling is complete, cycle ignition ON and OFF 3 times. Start the engine and verify correctride height in Normal and High modes by toggling the height selection button on the centerconsole.
9. Check that the system air mass is 80~120 bar-liter using the procedure described in this TSB.If the air mass is below 80 bar-liter, ensure there are no air leaks, and repeat the process.Check for air leaks by listening at the struts, and by spraying soapy water at the air line fittingsat the struts and solenoid block.
10. It is necessary to re-calibrate the vehicle ride height sensors after the system air filling. Followthe procedure described below.
Height Sensor Calibration
Ø NOTES- Suspension must be in Normal height mode.- Vehicle must be on the ground on all four wheels.
1. Choose VIN or ECU Upgrade on the initial screen.
2. Enter the vehicle information by pressing the VIN Auto Detect button, entering the vehicle'sVIN or selecting the vehicle model, model year, engine/fuel type and ECS as the system andthen click OK.
3. Select Inspection/Test on the initial screen after entering the vehicle information.
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5/8/2020 TSB • Suspension System • [12-SS-003] VI EQUUS AIR SUSPENSION CALIBRATION PROCEDURES • 2012 Hyundai Equus (VI) • Moto…
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SUBJECT: VI EQUUS AIR SUSPENSION CALIBRATION PROCEDURES4. Select Height Sensor Calibration.
5. Ensure ignition is ON, engine off, vehicle on the ground, and vehicle height in Normal mode.
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SUBJECT: VI EQUUS AIR SUSPENSION CALIBRATION PROCEDURES6. GDS will read the individual ride heights at each corner of the vehicle, as displayed below.
Measure the distances from the center of the wheel to the top edge of the wheel housing. Ifany discrepancies are found between the data read and the measured height, input themeasured heights, then select OK to complete the calibration.
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