Fault Code | Possible cause | Action |
Front: C1631; C1632 Rear: C1633; C1634 C1654 | ABS solenoid circuit fault | Ensure ABS ECM connector 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 9 and Ground | OK | Proceed to test 2 |
Faulty | Rectify fault, proceed to test 5 | |
2. Check the ABS solenoid fuse (front fuse box fuse 1): | OK | Proceed to test 3 |
Faulty | Replace fuse, proceed to test 5 | |
3. Check cable continuity: With Ignition 'ON', check voltage between ABS ECM connector pin 9 and Ground | Same as 'across battery' voltage | Proceed to test 4 |
Less than 'across battery' voltage | Locate and rectify wiring fault, proceed to test 5 | |
4. Check cable for continuity: ABS ECM connector pin 24 and Ground | OK | Proceed to test 5 |
Faulty | Locate and rectify fault, proceed to test 5 | |
5. Clear fault code and test ABS to verify fault cleared | OK | Action complete - quit test |
Fault still present | Contact Triumph service |