Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
System Setup (JTP627/1)
1991 Jaguar XJ-6 L6-4.0LSECTION System Setup (JTP627/1)
A new feature has been added to the system setup menu, this is accessed via the asterix icon. The new option will only be made available when the diagnostic software loaded onto the PDU has been programmed to enable the level at which testing finishes to be altered.
Normally all diagnostic applications continue diagnostics until the lowest replacement unit is identified. This new feature allows diagnostics to be stopped after the PDU has located the area of the fault but not the actual replacement unit. The two levels are diagnostics are defined as:
1 Diagnose Area Only
2 Pinpoint Diagnosis
The fault ticket supplied by the PDU will also indicate which level of diagnostics was selected.
Note:
The majority of existing diagnostic applications do not support this feature, however most future new applications, (as opposed to modifications to existing applications) will.
Normally all diagnostic applications continue diagnostics until the lowest replacement unit is identified. This new feature allows diagnostics to be stopped after the PDU has located the area of the fault but not the actual replacement unit. The two levels are diagnostics are defined as:
1 Diagnose Area Only
2 Pinpoint Diagnosis
The fault ticket supplied by the PDU will also indicate which level of diagnostics was selected.
Note:
The majority of existing diagnostic applications do not support this feature, however most future new applications, (as opposed to modifications to existing applications) will.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.