How to adjust the ECU on a Jaguar EFI?
The ECU adjustment changes the base fuel mapping. The adjustment procedure is covered in Kirby Palm’s book, XJS: Experience in a Book, so I won’t duplicate it here at this time.
Where are the ECU connectors on a Jaguar XJ6?
It is worrying to discover that Jaguar thoughtfully placed both ECU connectors on top of the ECU to ensure that any water would run down into the connector.
What kind of ECU does a Jaguar V12 have?
The Lucas/Bosch D Jetronic system found on the early (1976-80) V12 Jaguar was of this type and a full description of its working methods can be found in the V12 section of this website. By the 1980s digital technology had appeared and more precise fueling control became possible.
What kind of fault does a Jaguar X-type have?
Jaguar X-Type ABS Pump Fault. Very common problem, causes the ABS light to illuminate on the dash and fault codes for pump motor and/or wheel speed sensors. Jaguar S-Type Climate controller Air-conditioning. This is a very common fault for the Jaguar S-type, causing the heater to blow hot all of the time.
Where is the ECU located on a Jaguar XJ-SC?
Here’s a shot of the EFI ECU box itself, the top plate facing the viewer. This is a 16CU, as fitted on my 1988 XJ-SC. This can be found mounted in the boot, behind a trim panel near the battery. Removal of the six screws visible in the above shot will permit removal of both the upper and lower cover plates, revealing the ECU Mainboard.
The ECU adjustment changes the base fuel mapping. The adjustment procedure is covered in Kirby Palm’s book, XJS: Experience in a Book, so I won’t duplicate it here at this time.
Jaguar X-Type ABS Pump Fault. Very common problem, causes the ABS light to illuminate on the dash and fault codes for pump motor and/or wheel speed sensors. Jaguar S-Type Climate controller Air-conditioning. This is a very common fault for the Jaguar S-type, causing the heater to blow hot all of the time.
Why is my Jaguar XF stuck in Park?
Failure of the Jaguar XF gear selector dial will prevent selection of all gears and drive modes, causing the vehicle to remain stuck in park… Common fault for all Jaguar X-Type & S-Type Vehicles, causes the flashing glow plug light to appear on the dash.