Page 501 - 2019 SHOP MANUAL CRF1000/A/D

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ANTI-LOCK BRAKE SYSTEM (ABS) (CRF1000A/D)
4. Failure Reproduction with a New Speed Sensor
Replace the rear wheel speed sensor with a new
one (page 20-22).
Connect the 18P (Black) and 2P (Black) connectors.
Erase the DTC (page 20-6).
Test-ride the motorcycle above 10 km/h (6 mph).
Recheck the DTC (page 20-6).
Is the DTC 1-3, 1-4, 2-3, or 4-3 indicated?
YES – Faulty ABS modulator
NO – Faulty original rear wheel speed sensor

DTC 1-5 (Front or Rear Wheel Speed
Sensor Circuit: Short)
1. Front Wheel Speed Sensor Line Short Circuit
Inspection (at sensor side)
Turn the ignition switch OFF.
Disconnect the front wheel speed sensor 2P (Black) [1]
connector (page 20-20).
Check for continuity between each terminal of the
sensor side 2P (Black) connector [1] and ground.
CONNECTION: White – Ground W Bu
Blue – Ground
Is there continuity?
YES – Faulty front wheel speed sensor
NO – GO TO STEP 2.

2. Front Wheel Speed Sensor Line Short Circuit
Inspection
Disconnect the ABS modulator 18P (Black) [1]
connector (page 20-7).
Check for continuity between each terminal of the
wire harness side 2P (Black) connector [1] and
ground. Bu W
CONNECTION: White – Ground
Blue – Ground
Is there continuity?
YES – • Short circuit in the White wire
• Short circuit in the Blue wire
NO – GO TO STEP 3.

20-15