Lexus NX manuals

Lexus NX: Inspection

Lexus NX Service Manual / Engine & Hybrid System / 2ar-fxe (hybrid / Battery Control) / Battery Cooling Filter / Inspection

INSPECTION

PROCEDURE

1. INSPECT NO. 3 BATTERY SERVICE COVER BOARD

(a) Inspect the No. 3 battery service cover board.

(1) Visually inspect the filter.

Standard:

No deformation or cracks.

If the result is not as specified, replace the No. 3 battery service cover board.

(2) Clean the filter.

Standard:

No clogs or damage.

NOTICE:

  • If the filter is damaged, replace the No. 3 battery service cover board.
  • If the filter is damaged, check if there is foreign matter inside the HV battery or battery cooling blower assembly. Clean or replace the HV battery or battery cooling blower assembly as necessary.
  • When cleaning the battery cooling blower assembly with an air gun, prevent the fan from rotating.
  • If the filter is damaged, check that there are no foreign objects in the No. 2 hybrid battery intake duct, and clean or replace the No. 2 hybrid battery intake duct if necessary.

*1

Filter

(b) Clean the filter.

NOTICE:

  • Do not use water or any other liquids when cleaning the filter. Use only compressed air.
  • To prevent damage to the filter, do not use a wire brush or scrubber.
  • Do not use the air gun at a distance closer than 300 mm (1.18 in.) from the filter as it may damage the filter.
  • Do not clean the filter with the air gun while it is still installed on the vehicle. This is to prevent damage to the battery cooling blower assembly due to rotation of the fan by the blast from the air gun.

(1) Clean the filter by blowing compressed air as shown in the illustration.

2. INSPECT NO. 2 BATTERY SERVICE COVER BOARD

(a) Inspect the No. 2 battery service cover board.

(1) Visually inspect the filter.

Standard:

No deformation or cracks.

If the result is not as specified, replace the No. 2 battery service cover board.

(2) Clean the filter.

Standard:

No clogs or damage.

NOTICE:

  • If the filter is damaged, replace the No. 2 battery service cover board.
  • If the filter is damaged, check if there is foreign matter inside the HV battery or battery cooling blower assembly. Clean or replace the HV battery or battery cooling blower assembly as necessary.
  • When cleaning the battery cooling blower assembly with an air gun, prevent the fan from rotating.
  • If the filter is damaged, check that there are no foreign objects in the No. 2 hybrid battery intake duct, and clean or replace the No. 2 hybrid battery intake duct if necessary.

*1

Filter

(b) Clean the filter.

NOTICE:

  • Do not use water or any other liquids when cleaning the filter. Use only compressed air.
  • To prevent damage to the filter, do not use a wire brush or scrubber.
  • Do not use the air gun at a distance closer than 300 mm (1.18 in.) from the filter as it may damage the filter.
  • Do not clean the filter with the air gun while it is still installed on the vehicle. This is to prevent damage to the battery cooling blower assembly due to rotation of the fan by the blast from the air gun.

(1) Clean the filter by blowing compressed air as shown in the illustration.

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