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Nissan Armada 2025-2026 Service and Repair Manual: Electronic Air Suspension System

Work Support

For each work support, follow the procedure shown in CONSULT.

The table below shows the additional explanations provided in the CONSULT.

CAUTION:

At the end of the work, be sure to perform a “Vehicle height adjustment� and adjust the vehicle to NORMAL height before returning it to the customer.

Work support itemCONSULT DisplayDescription
All Items

Operation has been stopped due to following reasons.

  1. vehicle condition is out of test condition.

  2. No response from Vehicle ECU. Refer to Service Manual, confirm test condition and vehicle condition. Touch "Retry" to try again.

Refer to Work Flow.
All Items

Timeout has expired.

Refer to service manual.

Inspect the followings:

  • The installation status of Electronic air suspension system component parts (Check for air leaks).

  • If harness connector of Air suspension control module is connected and locked correctly or not.

  • If there is something like wheel chocks to prevent vehicle height control.

  • Perform self-diagnosis of "Air suspension". (If it detects any DTC)

All Items

A malfunction in the actuator is detected.

Refer to service manual.
Perform self-diagnosis of "Air suspension". (If it detects any DTC)

System error is detected.

Perform self-diagnosis for air suspension and check power supply system.

A malfunction in the height sensor is detected.

Perform self-diagnosis for air suspension.

Valve is inactive.

Refer to service manual.
Height sensor calibration NG1

Cause:The height sensor has a narrow range of motion and the direction of rotation is wrong.

Countermeasure:Confirm the status of installation.
Height sensor calibration NG2

Cause:The height sensor has a narrow range of motion.

Countermeasure:Confirm the status of installation.
Height sensor calibration NG3

Cause:The height sensor's direction of rotation is wrong.

Countermeasure:Confirm the status of installation.
vehicle height adjustment Normal height

Normal height

  • The measurements between front fender and wheel center: 533 ±15 mm (20.98 ± 0.59 in)

  • The measurements between rear fender and wheel center: 538 ±15 mm (21.18 ± 0.59 in)

If the measurement is out of range, inspect the followings:

  • Tire air pressure inspection

  • Installation inspection of Air suspension parts

  • Wheel alignment inspection

  • Perform Height sensor calibration

vehicle height adjustment Access height

It decreases approximately 20 mm (0.8 in) at the front and approximately 50 mm (2.0 in) at the rear from Normal height. (For USA).

It decreases approximately 70 mm (2.8 in) from Normal height. (For Canada)

If the measurement is out of range, inspect the followings:

  • Tire air pressure inspection

  • Installation inspection of Air suspension parts

  • Wheel alignment inspection

  • Perform Height sensor calibration

vehicle height adjustment Aero height

It decreases approximately 20 mm (0.8 in) from Normal height.

If the measurement is out of range, inspect the followings:

  • Tire air pressure inspection

  • Installation inspection of Air suspension parts

  • Wheel alignment inspection

  • Perform Height sensor calibration

vehicle height adjustment High height

It increases approximately 50 mm (2.0 in) from Normal height.

If the measurement is out of range, inspect the followings:

  • Tire air pressure inspection

  • Installation inspection of Air suspension parts

  • Wheel alignment inspection

  • Perform Height sensor calibration

Air filling/pressure measurement HIGH

It displays when "air volume" is 140 bar or more. (Air volume displays total amount of air in four locations of air spring and air tank.)

When it displays HIGH, release air tank's pressure to make the value of "Air tank" 7.5 ~ 12.5 bar. If it still displays HIGH, install air suspension parts again.
Air filling/pressure measurement LOW

When it displays "LOW", fill Air spring with the air and adjust the vehicle posture.

Take measurements, and if it displays "LOW", refill the air tank with pressure to make the value of "Air tank" 7.5 ~ 12.5 bar.If it still displays LOW, install air suspension parts again.
VIN registration

VIN MISMATCHED

BETWEEN THE 1ST AND 2ND TIMES.
VIN mismatched between the 1st and 2nd times.

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