Abs Warning Light Does Not Illuminate (No Dtcs Stored); Pinpoint Tests - Triumph Thunderbird Service Manual

ABS Warning Light Does not Illuminate (No DTCs Stored)
Fault Code Possible cause Action
ABS Warning Light OFF (No DTCs Warning light circuit fault Ensure ABS ECM connector is secure.
Stored)
ABS ECM ground circuit fault Ensure ABS ECM ground connection
is secure.
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 6
2 Check the ABS warning light circuit fuse OK Proceed to test 3
(fuse 10>:
Faulty Replace fuse, proceed to test 6
3 Check cable for short to voltage: With OV Proceed to test 4
Ignition 'OFF', check voltage between:
- ABS ECM connector pin 16 and Ground Above 3 V Locate and rectify wiring fault, proceed to test
6
4 Check cable for short to ground: With Voltage greater than Proceed to test 5
ignition 'ON', Check the ABS warning light 1.5 V
circuit voltage between:
- ABS ECM connector pin 21 and Ground
Voltage less than 1.5 Locate and rectify fault, proceed to test 6
V
5 Check cable for continuity: ABS ECM OK Proceed to test 6
connector pin 24 and Ground:
Turn Ignition 'ON' Faulty Locate and rectify fault, proceed to test 6
6 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
12.50
SelVice Manual - Thunderbird