XJ-12 (X300) V12-6.0L (1995)
Air Bag Control Module: Diagrams
Fault codes can be extracted in one of two ways:
^ Through the ISO Communication Bus using Jaguar Diagnostic equipment.
^ As a series of flashes using the Airbag/SRS Service Tool.
Each series off flashes represents a two digit number, representing the fault code. For example fault code 24 is displayed as:
^ Two flashes, a one second pause, four flashes, three second pause. Then repeated.
All fault codes are listed in order of priority.
Code
Component/Fault Description
-
No MIL Lamp - Inoperative lamp circuit or no ignition voltage to Air Bag Diagnostic Module (DM)
-
Continuous MIL Lamp - DM disconnected or inoperative
12
Low battery voltage
13
Airbag circuit shorted to ground
14
Front impact sensor circuit shorted to ground
21
Safing impact sensor incorrectly mounted to vehicle
22
Safing impact sensor output circuit shorted to battery voltage
23
Safing impact sensor input feed/return open circuit
24
Safing impact sensor output feed/return open circuit
32
Driver-side airbag circuit high resistance or open
33
Passenger-side airbag circuit high resistance or open
34
Driver-side airbag circuit low resistance or short circuit
35
Passenger-side airbag circuit low resistance or short circuit
41
Front right impact sensor feed/return open circuit
42
Front left impact sensor feed/return open circuit
44
Front right impact sensor incorrectly mounted to vehicle
45
Front left impact sensor incorrectly mounted to vehicle
51
DM internal thermal fuse - intermittent short to ground
52
Back-up power supply - voltage boost fault
53
Front impact sensor circuits resistance to ground or internal DM failure
-
Rapid continuous flashing of MIL Lamp (no fault code) - All front impact sensors disconnected
Pin Number And Circuit Identification, Fig.1
Pin No.
Circuit Identification
1.
Ignition Supply
2.
LH Impact Sensor Monitor
3.
Ground Input
4.
Instrument Pack Interface - MIL Lamp
5.
Ground
6.
RH Impact Sensor Monitor
7.
Not Used (Driver's only input)
8.
Passenger airbag Module Feed
9.
Passenger airbag Module Return