Page 141 - 2019 SHOP MANUAL CRF1000/A/D

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PGM-FI SYSTEM
2. Bank Angle Sensor Inspection
Replace the bank angle sensor with a known good
one (page 4-42).
Erase the DTC (page 4-6).
Check the bank angle sensor with the MCS.
Is about 5 V indicated?
YES – Replace the ECM/PCM with a known good
one (page 4-39) and recheck.
NO – Faulty original bank angle sensor

DTC 66 (REAR WHEEL SPEED SENSOR SIGNAL) (CRF1000A/D)
ECM/PCM

ABS MODULATOR

Bu/Bl

Probable cause
• Open or short circuit in the Blue/black wire between
the ABS modulator and ECM/PCM
• Faulty ABS modulator
• Faulty ECM/PCM
DTC 66-1 (REAR WHEEL SPEED SENSOR SIGNAL)
1. DTC Recheck
Erase the DTC (page 4-6).
Test-ride the motorcycle above 20 km/h (12 mph)
for more than 20 seconds.
Stop the engine.
Check the DTC with the MCS.
Is DTC 66-1 indicated?
YES – GO TO STEP 2.
NO – Intermittent failure
2. ABS DTC Check
Check the ABS DTC (page 20-6).
Does the ABS modulator have any DTC?
YES – Follow the ABS DTC index (page 20-8).
NO – GO TO STEP 3.

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