Honda NC700 2012, Service Manual

Page: 383 / 773

12-28
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DUAL CLUTCH TRANSMISSION (DCT) (NC700XD/SD)
DTC 27-1 (SHIFT DRUM POSITION
MALFUNCTION)
• If the PCM is replaced, perform the following:
– Key Registration Procedure (page 23-6)
– Clutch Initialize Learning Procedure (page 12-120)
1. TR Sensor System Inspection
Check the TR sensor with the HDS pocket tester.
Is Low voltage (about 0 V) or High voltage (about
5 V) indicated?
YES – • About 0 V: See DTC 51-1 (page 12-40).
• About 5 V: See DTC 51-2 (page 12-41).
NO – GO TO STEP 2.
2. Shift Control Motor/Reduction gear condition
Check the shift control motor and reduction gears
are installed properly and are not damaged.
Are the shift control motor and reduction gears
in normal condition?
YES – GO TO STEP 3.
NO – Install the shift control motor and reduction
gears properly or replace faulty parts.
3. Shift Control Motor Condition Inspection
Remove the shift control motor (page 12-109).
Connect a fully charged 12 V battery [1] to the shift
control motor [2] 2P connector terminals to check
the motor operation.
Change the battery connection to check the reverse
operation.
Does the shift control motor turn in both
directions?
YES – GO TO STEP 4.
NO – Faulty shift control motor
4. TR Sensor System Inspection
Remove the TR sensor with the connector
connected (page 12-115).
Turn the ignition switch ON.
While turning the TR sensor shaft, check the TR
sensor voltage with the HDS pocket tester.
Does the voltage vary properly?
YES – GO TO STEP 5.
NO – Faulty TR sensor
[2] [1]
When turning the sensor shaft clockwise:
Voltage increase
When turning the sensor shaft
counterclockwise:
Voltage decrease