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.
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HOMESERVICE MANUALSJAGUAR1991XJ-6 L6-4.0LREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLEDIAGRAMSCONNECTOR VIEWSTRANSMISSION CONTROL MODULE
1991 Jaguar XJ-6 L6-4.0L
Transmission Control Module
1991 Jaguar XJ-6 L6-4.0LSECTION Transmission Control Module
TRANSMISSION CONTROL MODULE CONNECTIONS - PIN LOCATIONS
PIN FUNCTION
1. Ignition power supply (B+)
2. Vehicle speed sensor (B+)
3. Engine speed sensor
4. -
5. Solenoid valve MV1
6. Pressure control valve
7. Digitial ground
8. Throttle potentiometer signal
9. Pin code 1 - catalyst
10. Pin code 3
11. -
12. -
13. -
14. Position code Y
15. Diagnostic L-line
16. System fault indicator
17. -
18. -
19. Solenoid valves supply
20. Vehicle speed sensor screen
21. Injector time (torque signal)
22. -
23. -
24. Solenoid valve MV2
25. Torque control (select)
26. Powerground
27. -
28. Pin code 2
29. -
30. -
31. -
32. Torque control
33. Position code Z
34. -
35. -
36. -
37. -
38. Vehicle speed sensor (B+)
39. Permanent battery supply
40. -
41. 'Kick-down' switch
42. Solenoid valve lock-up
43. Program push button (sport)
44, Throttle potentiometer ground
45. Throttle potentiometer supply
46. -
47. -
48. -
49. Program indication lamp (sport)
50. Position code X
51. Diagnostic K-line
52. -
53. -
54. -
55. -
PIN FUNCTION
1. Ignition power supply (B+)
2. Vehicle speed sensor (B+)
3. Engine speed sensor
4. -
5. Solenoid valve MV1
6. Pressure control valve
7. Digitial ground
8. Throttle potentiometer signal
9. Pin code 1 - catalyst
10. Pin code 3
11. -
12. -
13. -
14. Position code Y
15. Diagnostic L-line
16. System fault indicator
17. -
18. -
19. Solenoid valves supply
20. Vehicle speed sensor screen
21. Injector time (torque signal)
22. -
23. -
24. Solenoid valve MV2
25. Torque control (select)
26. Powerground
27. -
28. Pin code 2
29. -
30. -
31. -
32. Torque control
33. Position code Z
34. -
35. -
36. -
37. -
38. Vehicle speed sensor (B+)
39. Permanent battery supply
40. -
41. 'Kick-down' switch
42. Solenoid valve lock-up
43. Program push button (sport)
44, Throttle potentiometer ground
45. Throttle potentiometer supply
46. -
47. -
48. -
49. Program indication lamp (sport)
50. Position code X
51. Diagnostic K-line
52. -
53. -
54. -
55. -
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.