Land Rover Discovery: Power Steering Diagnosis and
Testing - Inspection and Verification
PRINCIPLES OF OPERATION
For a detailed description of the Power Steering, refer to the relevant
Description and Operation section in the workshop manual. REFER to:
Power Steering (211-02 Power Steering, Description and Operation).
Inspection and verification
CAUTION:
Diagnosis by substitution from a donor vehicle is NOT acceptable.
Substitution of control modules does not guarantee confirmation of a
fault, and may also cause additional faults in the vehicle being tested
and/or the donor vehicle.
NOTES:
- Verify the customer concern
- Visually inspect for obvious signs of damage and system integrity
Visual Inspection
![Visual Inspection](images/books/227/index215(8).jpg)
![Visual Inspection](images/books/227/index216(8).jpg)
- If an obvious cause for an observed or reported concern is found,
correct the cause (if possible) before proceeding to the next step
- If the cause is not visually evident, verify the symptom and refer to
the
Symptom Chart, alternatively check for Diagnostic Trouble Codes
(DTCs) and refer to the DTC Index
- Check DDW for open campaigns. Refer to the corresponding bulletins
and SSMs which may be valid for the specific customer complaint and
carry out the recommendations as required
SYMPTOM CHART
![SYMPTOM CHART](images/books/227/index217(7).jpg)
![SYMPTOM CHART](images/books/227/index218(8).jpg)
![SYMPTOM CHART](images/books/227/index219(8).jpg)
![SYMPTOM CHART](images/books/227/index220(8).jpg)
![SYMPTOM CHART](images/books/227/index221(7).jpg)
![SYMPTOM CHART](images/books/227/index222(8).jpg)
![SYMPTOM CHART](images/books/227/index223(7).jpg)
![SYMPTOM CHART](images/books/227/index224(7).jpg)
![SYMPTOM CHART](images/books/227/index225(8).jpg)
![SYMPTOM CHART](images/books/227/index226(8).jpg)
![SYMPTOM CHART](images/books/227/index227(8).jpg)
![SYMPTOM CHART](images/books/227/index228(8).jpg)
READ NEXT:
EPAS Steering Gear Damage Assessment Checklist
Log VIN
Confirm noise, is it repeatable on the vehicle?
Has vehicle previously had accident damage repairs?
Are there any signs of impact damage to
REMOVAL
CAUTION:
Make sure that the road wheels are in the straight ahead position.
NOTE:
Removal steps in this procedure may contain installation details.
Make the SRS system safe.
Refer to: Standar
REMOVAL
CAUTION:
Make sure that the road wheels are in the straight ahead position.
NOTES:
Removal steps in this procedure may contain installation details.
Some variation in the illustrations may
SEE MORE:
COMPONENT LOCATION - INCONTROL TOUCH AUDIO SYSTEMS
Touch Screen (TS)
Left steering wheel switchpack
Instrument Cluster (IC)
Microphone
Portable audio interface panel
Audio Head Unit (AHU)
COMPONENT LOCATION - INCONTROL TOUCH PLUS AUDIO SYSTEMS
Touch Screen (TS)
Left steering wheel swi
Use only high quality diesel fuel, according
to EN590 or equivalent.
These vehicles are capable of
running with up to a 7% blend of
bio-diesel, in accordance with the
European Standard EN590. It is not
recommended to use a higher
blend of bio-diesel.
The quality and specification of diesel fuel
vari