ASS Warning Light ON (No DTCs Stored)
Fault Code
Possible cause
Action
ABS Warning Light ON (No DTCs ABS Ignition supply fuse/circuit fault
Ensure ABS ECM connector is secure.
Stored)
ABS Warning light circuit fault
Disconnect ABS ECM connector and
proceed to pinpoint test 1:
Pinpoint Tests
Test
Result
Action
1 Check cable and terminal integrity:
OK
Proceed to test 2
- ABS ECM connector pin 16 and Ground Faulty
Rectify fault, proceed to test 5
pin 24
2 Check cable continuity of the ABS ignition Same
as
'across Proceed to test 3
supply circuit: With the Ignition 'ON', check battery' voltage
voltage between:
- ABS ECM connector pin 16 and Ground
Less
than
'across Locate and rectify wiring fault, proceed to test
battery' voltage
5
3 Check cable continuity of the ABS warning Voltage greater than Proceed to test 4
light circuit:
1.5 V
Check voltage between:
- ABS ECM connector pin 21 and Ground
Voltage
less
than Locate and rectify fault, proceed to test 5
1.5 V
4 Check cable continuity of the ABS warning ABS
warning
light Proceed to test 5
light circuit: - Short ABS ECM connector pin 'OFF'
21 and Ground pin 24 together:
Turn Ignition 'ON'
ABS
warning
light Locate and rectify fault, proceed to test 5
'ON'
5
Reconnect ABS ECM harness, clear fault OK
Action complete - quit test
code and test ABS to verify fault cleared
Fault still present
Contact Triumph service
Circuit Diagram
Regulator/Rectifier
~
'o'
- I I \ !
p
Ignition Switch
II
I
I I
I
Fuse Box
2 I I
8 I
II
I
2M I I
20A I
Control Module
.J l
.J
Fuse Box
r - - - - l
I
I
I
6
I
G - - - -
G
16
I
lOA
I
L
J
~
~w
B:
-In-stnu-m-e-nts-'
rC
B
25
B
L...-l-_--'
-.L
SelVice Manual - Thunderbird
12.49