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 Menu Changes
1991 Jaguar XJ-6 L6-4.0LSECTION System Menu Changes
The system menu structure has been revised to enable a faster and simplified selection process. The initial fault diagnostics menu allows the selection of one of eight major vehicle areas. If the system to be tested is electric windows, for example, then option 6 Door Systems would be selected at the fault diagnostics menu.
The following details the new menu structure:-
MAIN MENU
1. Fault Diagnostics
2. Engine Set-Up
3. Connector Information
4. Multi-meter Mode
5. Disc Check
6. Reload From New Disc
Selecting option number 1 (Fault Diagnostics) will lead to the menu structure detailed on the following page. The structure ensures that access to any system test requires a similar number of operations of the keypad.
The following details the new menu structure:-
MAIN MENU
1. Fault Diagnostics
2. Engine Set-Up
3. Connector Information
4. Multi-meter Mode
5. Disc Check
6. Reload From New Disc
Selecting option number 1 (Fault Diagnostics) will lead to the menu structure detailed on the following page. The structure ensures that access to any system test requires a similar number of operations of the keypad.
RENDER: 1.0x
NO RELATED
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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.