Engine Control Module

1986 Jaguar Vanden Plas L6-4.2LSECTION Engine Control Module


35 Position ECU Plug:




CONNECTOR VIEW

SYSTEM
L-Jetronic

LOCATION
Behind glove box or in trunk

TERMINAL ID
1 - Trigger input from coil(-)
2 - Closed throttle input
3 - Air switching module input
4 - Starter solenoid input
5 - Chassis ground
6 - Air flow sensor ground
7 - Air flow sensor load input
8 - Air flow sensor reference
9 - Air flow sensor supply
10 - Main relay power input
11 - N/A
12 - Altitude switch
13 - Coolant temperature sensor input
14 - Injector 3 control
15 - Injector 6 control
16 - Chassis ground
17 - Chassis ground
18 - Throttle switch supply (common)
19 - N/A
20 - Fuel pump relay control
21 - N/A
22 - N/A
23 - O2 shield wire
24 - Oxygen sensor signal
25 - N/A
26 - N/A
27 - Air temperature sensor input
28 - N/A
29 - N/A
30 - Injector 2 control
31 - Injector 1 control
32 - Injector 4 control
33 - Injector 5 control
34 - Auxiliary air regulator ground
35 - Chassis ground
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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.