C1621 - Front Wheel Pulser Ring Missing Teeth
C1621 - Front Wheel Pulser Ring Missing Teeth - Fault - CM8; CR8; CS8; DR5; DS5; HF8; HG8; HJ8; HK8; HL8; LG1; LGX; LJ2; LK2; LL1; PB1; PJ1; PJZ; PM1; PR1; PRC; PS1; PSC; PX1; PXC; PY1; PYC
Fault Code | Possible cause | Action |
C1621 | Front wheel pulser gear missing teeth Incorrect wheel speed sensor air gap Loose or incorrectly installed wheel speed sensor Damaged/incorrect wheels | Make sure the ABS modulator connector is secure. Proceed to pinpoint test 1: |
Subheading - Pinpoint Test
Pinpoint Tests
C1621 - Front Wheel Pulser Ring Missing Teeth - Pinpoint Test - LG1; LGX; LJ2; LK2; LL1
Test | Result | Action | |
|---|---|---|---|
1 | Measure the air gap of the front wheel speed sensor between the sensor and the pulser ring: - Air gap between 0.74 mm and 1.36 mm | OK | Proceed to test 2 |
Faulty | Rectify the fault and proceed to test 5 | ||
2 | Check the pulser ring for damage or contamination by road grime or ferrous metal filings. | OK | Proceed to test 3 |
Faulty | Clean or replace the ABS pulser ring, proceed to test 5 | ||
3 | Check the wheel speed sensors for correct installation, and the fixings for correct torque. | OK | Proceed to test 4 |
Faulty | Rectify the fault and proceed to test 5 | ||
4 | Check the motorcycle wheel for damage/incorrect size. | OK | Proceed to test 5 |
Faulty | Rectify the fault and 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 | ||