Fault Code | Possible cause | Action |
ABS Warning Light OFF (No DTCs Stored) | Warning light circuit fault ABS ECM ground circuit fault | Ensure ABS ECM connector is secure. 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: ABS ECM connector pin 16 and Ground | OK | Proceed to test 2 |
Faulty | Rectify fault, proceed to test 6 | |
2. Check the ABS warning light circuit fuse (front fuse box, fuses 1 and 2): | OK | Proceed to test 3 |
Faulty | Replace fuse, proceed to test 6 | |
3. Check cable for short to voltage: With Ignition 'OFF', check voltage between ABS ECM connector pin 16 and Ground | 0 V | Proceed to test 4 |
Above 3 V | Locate and rectify wiring fault, proceed to test 6 | |
4. Check cable for short to ground: With ignition 'ON', Check the ABS warning light circuit voltage between: ABS ECM connector pin 21 and Ground | Voltage greater than 1.5 V | Proceed to test 5 |
Voltage less than 1.5 V | Locate and rectify fault, proceed to test 6 | |
5. Check cable for continuity: ABS ECM connector pin 24 and Ground: Turn Ignition 'ON' | OK | Proceed to test 6 |
Faulty | Locate and rectify fault, proceed to test 6 | |
6. Reconnect ABS ECM harness, clear fault code and test ABS to verify fault cleared | OK | Action complete - quit test |
Fault still present | Contact Triumph service |