8.

Disconnect the JLR approved diagnostic equipment and the JLR approved
battery support unit.

DIAGNOSTIC INSTRUCTION

18 MY vehicles and later
1.

CAUTION:
This procedure requires a minimum of Pathfinder 234 installed or later.

NOTES:
The JLR approved diagnostic equipment will read the Vehicle
Identification Number (VIN) for the vehicle and automatically take the
vehicle out of ‘Transportation Mode’ if required.
All ignition ON/OFF instructions must be followed. Failure to complete
these instructions may cause damage to the vehicle control modules.

Connect the JLR approved battery support unit.

2.

Connect the JLR approved diagnostic equipment to the vehicle and begin a new
diagnostic session.

3.

Follow the JLR approved diagnostic equipment prompts.

4.

Select 'ECU Diagnostics'.

5.

Select 'All DTCs'.
If any DTCs relating to the customer concern are set, follow the
'Diagnosis and Testing' methods for the climate control system
(see TOPIx Workshop Manual section 412-00 Climate Control
System - General Information).
If the Blower fan continues to operate incorrectly, continue
with the diagnostic procedure and then proceed to the
service instruction.
If no DTCs relating to the customer concern are set but the
Blower fan continues to operate incorrectly, continue with the
diagnostic procedure and then proceed to the service
instruction.

6.

Select 'Clear all DTCs'.

7.

Follow all on-screen instructions to complete this task.

8.

When all of the tasks are complete, exit the current session.

9.

Disconnect the JLR approved diagnostic equipment and the JLR approved
battery support unit.

SERVICE INSTRUCTION:

NOTES:
Blower fan is also known as blower motor in the TOPIx Workshop Manual.
Cowl panel is also known as plenum chamber in the TOPIx Workshop Manual.
Some parts may be shown removed for clarity.

All models
1.

Turn off the vehicle ignition and allow the vehicle to stand for at least ten
minutes. This will allow the blower control module to cool and reset.

2.

Remove the cowl panel and battery box cover (see TOPIx Workshop Manual
section 412-01: Climate Control - Removal and Installation - Plenum Chamber).

3.

NOTE:
When the recirculation setting is set to off, the blend door opens to allow
access to the blower fan.

Turn on the vehicle ignition and set 'Recirculation' to the off position, using the
Integrated Control Panel (ICP).

4.

CAUTION:
Do not use the blower fan blades to rotate the blower fan.



Rotate the blower fan, by hand, using the central spindle and rotate through at
least one complete cycle.

5.

Turn on the interior fan, using the ICP as normal.
If the interior fan operates as intended, Install a new blower fan
(see TOPIx Workshop Manual section 412-01: Climate Control Removal and Installation - Blower Motor).
If the fan still does not operate, do not continue. Raise a
Technical Assistance (TA), including all of the diagnostic steps
completed so far.

Discovery Sport only

6.



Fill the end of the alcomat seal using the 3M™ 5313 Scotch-Weld™ sealant strip
as illustrated.
Repeat this step on the opposite side of the vehicle.
Continue to step 10.
Range Rover Evoque only
7.

CAUTION:
Make sure not to damage the A-pillar finisher.



Reposition the A-pillar finisher just enough to allow access to the bottom corner
of the windshield.
Repeat this step on the opposite side of the vehicle.

8.



Fill the end of the alcomat seal using the 3M™ 5313 Scotch-Weld sealant strip as
illustrated.

Repeat this step on the opposite side of the vehicle.

9.

NOTE:
This step is applicable to Range Rover Evoque vehicles only.



Apply 3M™ 5313 Scotch-Weld™ sealant strip above the central 'Y' locator
aperture to bridge the gap in the alcomat seal as illustrated.
Match the profile of the alcomat seal as closely as possible using
the 3M™ 5313 Scotch-Weld™ sealant strip.
All models
10.



Visually inspect the heat stakes and foam dams on the underside of the original
cowl, as shown in the illustration.
If the heat stakes and foam dams are not damaged, continue to
step 11.
If the heat stakes and foam dams are damaged, continue to step
12.

11.

NOTES:
Make sure no gap exists between the top edge of the cowl panel and
the surface of the windshield.
Do not install the battery box cover at this stage.

Install the original cowl panel (see TOPIx Workshop Manual section 412-01:
Climate Control - Removal and Installation - Plenum Chamber).

12.

NOTES:
Make sure no gap exists between the top edge of the cowl panel and
the surface of the windshield.
Do not install the battery box cover at this stage.

Install the replacement cowl panel (see TOPIx Workshop Manual section 412-01:
Climate Control - Removal and Installation - Plenum Chamber).
Discovery Sport only
13.

NOTE:
Install the replacement battery box cover with new fixings.



Install the replacement battery box cover using the new fixings.
Range Rover Evoque only

14.

NOTE:
The cowl panel is shown semi transparent for clarity.



Using the battery box aperture for hand access, apply a 15 mm x 15 mm square
of 3M™ 5313 Scotch-Weld™ sealant strip around the central "Y" locator and
across onto the rear side of the body panel. This is directly behind the strip
applied earlier.

15.

NOTE:
Install the replacement battery box cover with new fixings.



Install the replacement battery box cover using the new fixings.

DIAGNOSTIC INSTRUCTION

HVAC - Actuator end stop detection for 17 MY vehicles and earlier

1.

CAUTION:
This procedure requires a minimum of SDD 156.06 and Software
Management Pack 317 installed or later.

NOTES:
The JLR approved diagnostic equipment will read the Vehicle
Identification Number (VIN) for the vehicle and automatically take the
vehicle out of ‘Transportation Mode’ if required.
All ignition ON/OFF instructions must be followed. Failure to complete
these instructions may cause damage to the vehicle control modules.

Connect the JLR approved battery support unit.

2.

Connect the JLR approved diagnostic equipment to the vehicle and begin a new
session.

Click here to run: Actuators end stop detection. (156.06 / 64030)
3.

If the hyperlink is not available, the application can be found as follows:
Select the 'Service Functions’ Session Type.
Run 'Actuators end stop detection'.

4.

If required, reset the vehicle to ‘Transportation mode’.

5.

When all of the tasks are complete, exit the session.

6.

Disconnect the JLR approved diagnostic equipment and the JLR approved
battery support unit.

DIAGNOSTIC INSTRUCTION

HVAC - Actuator end stop detection for 18 MY vehicles and later

1.

CAUTION:
This procedure requires a minimum of Pathfinder 234 installed or later.

NOTES:
The JLR approved diagnostic equipment will read the Vehicle
Identification Number (VIN) for the vehicle and automatically take the
vehicle out of ‘Transportation Mode’ if required.
All ignition ON/OFF instructions must be followed. Failure to complete
these instructions may cause damage to the vehicle control modules.

Connect the JLR approved battery support unit.

2.

Connect the JLR approved diagnostic equipment to the vehicle and begin a new
session.

3.

Follow the JLR approved diagnostic equipment prompts.
Select 'ECU Diagnostics'.
Select ‘HVAC Control Module [HVAC]’.
Select 'ECU Functions'.
Select 'Actuators end stop detection'.

4.

Follow all on-screen instructions to complete this task.

5.

If required, reset the vehicle to ‘Transportation mode’.

6.

When all of the tasks are complete, exit the current session.

7.

Disconnect the JLR approved diagnostic equipment and the JLR approved
battery support unit.