Workshop Manuals Factory service & repair Aston Martin
01 00 Introduction02 01 Body system03 02 Frame and mounting04 03 Engine05 04 Suspension06 05 Driveline07 06 Brake system08 07 Transmission09 08 Clutch10 09 Exhaust11 10 Fuel12 11 Steering13 12 Climate control14 13 Information, gauge and warning15 14 Power supply16 15 Vehicle entertainment17 16 Vacuum distribution18 17 Lighting19 18 Electric distribution and electronic control20 19 Electronic features21 20 Appendix and glossary
Aston Martin DB9 Factory Workshop Manual (Issue 2, 2005)05 · 04 Suspension
05 · Steering & suspension

Low Pressure Warning

Make
Aston Martin
Model
DB9 Factory Workshop Manual
Year
Issue 2, 2005
Section
Road Wheels and Tyres › Low Pressure Warning
04 SuspensionLow Pressure Warning

Warning
The road wheels and tyres are asymmetrical and different sizes front and rear. They must not be rotated front to rear. This function should be used only to verify correct tyre position. Do not change the programmed data.

Display showing car outline with sensor icon and number 1
  1. Press ‘Set’ for 2 seconds to enter level 1 programming.
  2. Press ‘Mode’ repeatedly until ‘Tyre Rotation’ icon is displayed.
  3. Press ‘Tyre’ to scroll to a tyre position. Press ‘Mode’ to display the current sensor identity.

Each sensor is identified by the colour of a washer on the tyre valve. Tyres are always installed in fixed positions and must remain as follows:

  • Right Front - Green (Code 1)
  • Left Front - Red (Code 2)
  • Right Rear - Blue (Code 3)
  • Left Rear - Yellow (Code 4)

If the current data is incorrect, revise as follows:

  1. Ensure that the road wheels and tyres are installed in the correct locations (see the colour code list above). Note the correct code number for each road wheel.
  2. Use ‘Tyre’ or ‘Mode’ to correct the sensor identity code if required.
  3. Repeat for the remaining tyres.
  4. Press ‘Set’ twice to exit the programme.

Low Pressure Warning

Display showing car outline with flat tyre warning icon and value 30 PSI
  1. Press ‘Set’ for 2 seconds to enter level 1 programming.
  2. Press ‘Mode’ repeatedly until ‘Flat Tyre’ icon is displayed.
  3. Press ‘Tyre’ to scroll to the desired axle. Press ‘Mode’ to display the current low pressure warning value.
  4. Press ‘Tyre’ to increase or ‘Mode’ to decrease current value.
  5. Press ‘Set’ to enter the new value into memory.

Pressure Deviation Alert

Display showing car outline with plus/minus icon and value 5 PSI

This function sets the threshold for warning of a deviation from normal tyre pressures.

  1. Press ‘Set’ for 2 seconds to enter level 1 programming.
  2. Press ‘Mode’ repeatedly until the ‘+–‘ icon is displayed.
  3. Press ‘Tyre’ to display the current value.
  4. Press ‘Tyre’ to increase or ‘Mode’ to decrease the current value
  5. Press ‘Set’ to save the amended value.
  6. Press ‘Set’ again to revert to normal operation.

High Temperature Alert

Display showing car outline with warning triangle and temperature value 176 °F
  1. Press ‘Set’ for 2 seconds to enter level 1 programming.
  2. Press ‘Mode’ until ‘alert’ icon is displayed.
  3. Press ‘Tyre’ to display the current value of the high temperature alert.
  4. Press ‘Tyre’ to increase or ‘Mode’ to decrease current value
  5. Press ‘Set’ to save the amended value.
  6. Press ‘Set’ again to return to normal mode.

Units Selection

Display showing car outline with Bar and °F unit indicators

Use this function to select the combination of units for pressure and temperature.

  1. Press ‘Set’ for 2 seconds to enter level 1 programming.

Parts & tools for this job For 2005 Aston Martin DB9

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