Page 130 - 2019 SHOP MANUAL CRF1000/A/D

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PGM-FI SYSTEM
3. VS Sensor Input Line Open Circuit Inspection
Temporarily install the removed electrical parts in
the reverse order of removal. [1]
Turn the ignition switch ON.
Measure the voltage between the wire harness side
3P (Black) connector [1] and ground.
Connection:
CRF1000/A: Black/red (+) – Green (–)
CRF1000D: Black (+) – Green (–)
Bl/R or Bl G
Is there battery voltage?
YES – GO TO STEP 4.
NO – • Open circuit in the Black/red wire
(CRF1000/A)
• Open circuit in the Black or Black/red
wire (CRF1000D)
4. VS Sensor Signal Line Short Circuit Inspection
Turn the ignition switch OFF.
Check for continuity between the wire harness side [1]
3P (Black) connector [1] and ground.
Connection: Pink – Ground
Is there continuity?
YES – Short circuit in the Pink wire P
NO – GO TO STEP 5.

5. VS Sensor Signal Line Open Circuit Inspection
Disconnect the ECM/PCM 33P (Gray) connector
(page 4-39). [1] [2]
Check for continuity between the wire harness side
3P (Black) connector [1] and 33P (Gray) connector
[2].
TOOL:
Test probe 07ZAJ-RDJA110

Connection: Pink – C9
P C9
Is there continuity?
YES – GO TO STEP 6.
NO – Open circuit in the Pink wire

6. VS Sensor Inspection
Replace the VS sensor with a known good one
(page 4-42).
Connect the 33P (Gray) connector.
Erase the DTC (page 4-6).
Test-ride the motorcycle above 3,400 min (rpm).
-1
Stop the engine.
Check the DTC with the MCS.
Is DTC 11-1 indicated?
YES – Replace the ECM/PCM with a known good
one (page 4-39) and recheck.
NO – Faulty original VS sensor

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