Range Rover P38
75
SUPPLEMENTARY RESTRAINT SYSTEM
NEW RANGE ROVER
8
DESCRIPTION AND OPERATION
SRS DCU pin-outs (from 99MY)
1. LH seatbelt pre-tensioner +ve supply
2. LH seatbelt pre-tensioner -ve supply
3. RH seatbelt pre-tensioner -ve supply
4. RH seatbelt pre-tensioner +ve supply
5. Ignition switched DCU power supply input
6. DCU ground connection
7. SRS warning lamp one
8. Spare
9. Diagnostic connector K-line
10. Driver’s airbag module +ve supply
11. Driver’s airbag module -ve supply
12. Spare
13. Passenger’s airbag module +ve supply
14. Passenger’s airbag module -ve supply
15. Front crash sensor - Right +ve supply
(distributed systems only)
16. LH side airbag +ve supply
17. LH side airbag -ve supply
18. RH side airbag +ve supply
19. RH side airbag -ve supply
20. Spare
21. Spare
22. Spare
23. Spare
24. Front crash sensor - RH -ve supply (distributed
systems only)
25. Front crash sensor - LH -ve supply (distributed
systems only)
26. Shorting bar for LH seatbelt pre-tensioner
27. Shorting bar for LH seatbelt pre-tensioner
28. Shorting bar for RH seatbelt pre-tensioner
29. Shorting bar for RH seatbelt pre-tensioner
30. Spare
31. Shorting bar for SRS warning lamp one
32. Shorting bar for SRS warning lamp one
33. SRS warning lamp two
34. Spare
35. Shorting bar for driver’s airbag
36. Shorting bar for driver’s airbag
37. Front crash sensor - LH +ve supply (distributed
systems only)
38. Shorting bar for passenger airbag
39. Shorting bar for passenger airbag
40. Spare
41. Shorting bar for LH side airbag
42. Shorting bar for LH side airbag
43. Shorting bar for RH side airbag
44. Shorting bar for RH side airbag
45. Spare
46. Spare
47. Spare
48. Spare
49. Spare
50. Spare
WARNING: Never use multimeters or other
general test equipment on SRS
components or connectors.