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honda nc770s dct

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Gen1964
L Plate Warrior



Joined: 22 Feb 2021
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PostPosted: 20:09 - 22 Feb 2021    Post subject: honda nc770s dct Reply with quote

hello everyone
i am a newbie and need help
i have a honda nc750 dct 2016 and have a problem with change from D mode to S mode
took my bike to a bike repairer and told him bike was running rough and engine management light was on
so left bike there today and picked it up tonight only to find they reset the bikes ECU
started bike and no engine light but the dct was not working can put bike into D mode but not S mode is it something they have had
please help
gen
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MarJay
But it's British!



Joined: 15 Sep 2003
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PostPosted: 20:12 - 22 Feb 2021    Post subject: Reply with quote

First things first, why are you not taking it back to them? Secondly, are this 'motorbike repairer' experienced with Hondas, especially ones with DCTs? This is the kind of thing I'd be taking to a Honda dealer probably although it will be expensive.

First port of call take it back to the people who messed with it. Then, if you get no joy from them take it to someone who actually knows what they are doing.
____________________
British beauty: Triumph Street Triple R; Loony stroker: KR1S; Track Hack: CBR600RR-8 Commuter Missile: GSX-S1000F
Remember kids, bikes aren't like lego. You can't easily take a part from one bike and then fit it to another.
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Gen1964
L Plate Warrior



Joined: 22 Feb 2021
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PostPosted: 20:30 - 22 Feb 2021    Post subject: Reply with quote

Hi
i am taking it back to them tomorrow with workshop manual as they want me to take it in
and when i booked bike it with them they said they work on these kind of bikes
but now i know they dont no much on DCT as as for manual
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MarJay
But it's British!



Joined: 15 Sep 2003
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PostPosted: 20:57 - 22 Feb 2021    Post subject: Reply with quote

Gen1964 wrote:
Hi
i am taking it back to them tomorrow with workshop manual as they want me to take it in
and when i booked bike it with them they said they work on these kind of bikes
but now i know they dont no much on DCT as as for manual


Yikes... they are asking YOU for the workshop manual? Ok... Give them a go, and see what happens I guess? The issue really is that DCT is not that common (yet) so I expect this issue would be the same for anyone bar an actual Honda dealer.
____________________
British beauty: Triumph Street Triple R; Loony stroker: KR1S; Track Hack: CBR600RR-8 Commuter Missile: GSX-S1000F
Remember kids, bikes aren't like lego. You can't easily take a part from one bike and then fit it to another.
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Gen1964
L Plate Warrior



Joined: 22 Feb 2021
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PostPosted: 21:35 - 22 Feb 2021    Post subject: Reply with quote

Hi again
they told me they reset the ECU
And when i picked up my bike and started it up the first time i saw the letter L in gear indicator
just found this so think they did not rest ECU to honda's manual

Just to clarify any possible misunderstandings, this is the exact wording in the 700 DCT workshop manual section 12-120 and 121. (Note it says ensure the fan stops.)



CLUTCH INITIALIZE LEARNING (PCM)

• If the PCM and/or clutch assembly are replaced,

perform this procedure.

• Before starting this procedure, check the following:

– PGM-FI system and DCT system have no DTC.

– Engine idle speed is normal.

– Transmission is in neutral and cooling fan stops.

• Do not operate the throttle during clutch initialize

learning

1. Warm up the engine to the normal operating

temperature (engine oil temperature: 50 – 110°C/

122 – 230°F) and stop it.

If the PCM is replaced with a new one, the "D" and "S"

indicators [1] come on to indicate that the clutch

initialize learning is necessary when the ignition switch

is turned ON. Further the large "L" [2] (extremely low oil

temperature) or small "L" [3] (low oil temperature) is

displayed on the shift indicator to indicate that the

engine warming up is necessary if it is not warmed.





DUAL CLUTCH TRANSMISSION (DCT) (NC700XD/SD)

2. Turn the ignition switch ON with the engine stop

switch " (in the run position) " while pushing the D switch [1] of the N-D

shift switch. The MIL [2] will come on.

Release the D switch after the MIL goes off.

• When only the dual clutch assembly is replaced:

No indication appears on the shift indicator [3].

• When the PCM is replaced:

The "D" and "S" indicators [4] come on.

3. Operate the N-D shift switch [1] in the sequence as

follows:

– Push the D switch

– Push the D switch

– Push the N switch

– Push the D switch

– Push the N switch

• When only the dual clutch assembly is replaced:

The PCM is ready to clutch initialize learning when

the "D" and "S" indicators [2] lights, and the "–" [3] is

displayed on the shift indicator and blinks at interval

of 2 seconds.

• When the PCM is replaced:

The PCM is ready to clutch initialize learning when

the "–" is displayed on the shift indicator and blinks

at interval of 2 seconds.

When the engine is not warmed up enough, the large

"L" [4] (extremely low oil temperature) or small "L" [5]

(low oil temperature) is displayed on the shift indicator.

If so, warm up it until the "L" on the shift indicator goes

off. Stop the engine and perform the steps 2 and 3

again.



4. Start the engine and let it idle. The "–" [1] on the shift

indicator starts blinking at interval of 2 seconds. The

Clutch Initialize Learning is successful, when the "–",

"D" and "S" indicators [2] go off.

Stop the engine.

The clutch initialize learning is unsuccessful, if the "–"

starts blinking at interval of 0.5 second or it goes off,

and the "D" and "S" indicators stay on. Perform the

initialize learning procedure from step 2 again.

5. Stop the engine.

6. Restart the engine, push the D switch of the N-D

shift switch

Edited June 30, 2017 by embee
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jeffyjeff
Spanner Monkey



Joined: 02 May 2020
Karma :

PostPosted: 14:39 - 23 Feb 2021    Post subject: Reply with quote

Apparently, the "bike repairer" returned the bike to you before the job is complete. Take it back. Don't accept it until it is right. If he has to sublet the work to Honda to make it right, so be it. It's on him. If he loses money on this job, it might teach him to avoid taking in work for which he is not qualified to do.
____________________
History shows again and again how nature points out the folly of men - BOC
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Nutty
L Plate Warrior



Joined: 16 Jan 2021
Karma :

PostPosted: 15:52 - 23 Feb 2021    Post subject: Reply with quote

Gen1964 wrote:
Hi again
they told me they reset the ECU
And when i picked up my bike and started it up the first time i saw the letter L in gear indicator
just found this so think they did not rest ECU to honda's manual

Just to clarify any possible misunderstandings, this is the exact wording in the 700 DCT workshop manual section 12-120 and 121. (Note it says ensure the fan stops.)



CLUTCH INITIALIZE LEARNING (PCM)

• If the PCM and/or clutch assembly are replaced,

perform this procedure.

• Before starting this procedure, check the following:

– PGM-FI system and DCT system have no DTC.

– Engine idle speed is normal.

– Transmission is in neutral and cooling fan stops.

• Do not operate the throttle during clutch initialize

learning

1. Warm up the engine to the normal operating

temperature (engine oil temperature: 50 – 110°C/

122 – 230°F) and stop it.

If the PCM is replaced with a new one, the "D" and "S"

indicators [1] come on to indicate that the clutch

initialize learning is necessary when the ignition switch

is turned ON. Further the large "L" [2] (extremely low oil

temperature) or small "L" [3] (low oil temperature) is

displayed on the shift indicator to indicate that the

engine warming up is necessary if it is not warmed.





DUAL CLUTCH TRANSMISSION (DCT) (NC700XD/SD)

2. Turn the ignition switch ON with the engine stop

switch " (in the run position) " while pushing the D switch [1] of the N-D

shift switch. The MIL [2] will come on.

Release the D switch after the MIL goes off.

• When only the dual clutch assembly is replaced:

No indication appears on the shift indicator [3].

• When the PCM is replaced:

The "D" and "S" indicators [4] come on.

3. Operate the N-D shift switch [1] in the sequence as

follows:

– Push the D switch

– Push the D switch

– Push the N switch

– Push the D switch

– Push the N switch

• When only the dual clutch assembly is replaced:

The PCM is ready to clutch initialize learning when

the "D" and "S" indicators [2] lights, and the "–" [3] is

displayed on the shift indicator and blinks at interval

of 2 seconds.

• When the PCM is replaced:

The PCM is ready to clutch initialize learning when

the "–" is displayed on the shift indicator and blinks

at interval of 2 seconds.

When the engine is not warmed up enough, the large

"L" [4] (extremely low oil temperature) or small "L" [5]

(low oil temperature) is displayed on the shift indicator.

If so, warm up it until the "L" on the shift indicator goes

off. Stop the engine and perform the steps 2 and 3

again.



4. Start the engine and let it idle. The "–" [1] on the shift

indicator starts blinking at interval of 2 seconds. The

Clutch Initialize Learning is successful, when the "–",

"D" and "S" indicators [2] go off.

Stop the engine.

The clutch initialize learning is unsuccessful, if the "–"

starts blinking at interval of 0.5 second or it goes off,

and the "D" and "S" indicators stay on. Perform the

initialize learning procedure from step 2 again.

5. Stop the engine.

6. Restart the engine, push the D switch of the N-D

shift switch

Edited June 30, 2017 by embee

Maybe they might not of fully erased the historic fault codes before they started, tell them to try that again ,its a simple enough job with the DLC and Brown and Green wires
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davebike
World Chat Champion



Joined: 15 Nov 2013
Karma :

PostPosted: 09:33 - 24 Feb 2021    Post subject: Reply with quote

I have an NC with dct myself and have worked on many
You should take it back they need to read clear ther fault codes and clear them
It may only may need adct reset but sounds more like a speed sensor fault Dose the ABS light clear ?

But take it back the repaires should sort it spoken by a repairer !
____________________
Dave
NC750Xdct Msx125 Grom and C90 + others at work !
davebike1@gmail.com
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