Page 319 - 2019 SHOP MANUAL CRF1000/A/D

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DUAL CLUTCH TRANSMISSION (DCT) (CRF1000D)
A/M SWITCH TROUBLESHOOTING

If the engine can be started but AT/MT mode cannot be
changed, perform this troubleshooting.

• Before starting the inspection, check for loose or
poor contact on the right handlebar switch and PCM
33P connectors, and recheck the A/M switch
operation.
• If the PCM is replaced, perform the Clutch Initialize
Learning Procedure (page 13-82).
1. A/M switch Power Input Voltage Inspection
Disconnect the right handlebar switch 6P (Black)
connector (page 22-24). [1]
Turn the ignition switch ON with the engine stop
switch " ".
Measure the voltage between the wire harness side
6P (Black) connector [1] and ground. Y/W
Connection: Yellow/white (+) – Ground (–)
Is there battery voltage?
YES – GO TO STEP 2.
NO – Open circuit in the Yellow/white wire
between the right handlebar switch
connector and fuse box (ENG STOP 7.5
A)
2. A/M switch Inspection
Turn the ignition switch OFF.
Check for continuity at the switch side right [1]
handlebar switch 6P (Black) connector [1] in each
switch position. Bl/W
Connection: Black/white – Blue/black
Is there continuity with the switch pushed and
no continuity with the switch released?
YES – GO TO STEP 3.
NO – Faulty A/M switch
Bu/Bl

3. A/M switch Input Line Open Circuit Inspection
Disconnect the PCM 33P (Blue) connector (page 4-
39). [1] [2]
Check for continuity between the wire harness side
right handlebar switch 6P (Black) connector [1] and
PCM 33P (Blue) connector [2].
Connection: Blue/black – A17
TOOL:
Test probe 07ZAJ-RDJA110 Bu/Bl A17
Is there continuity?
YES – Replace the PCM (page 4-39) with a
known good one and recheck.
NO – Open circuit in the White/yellow wire

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