ne00479 Pagina 1 13-8-2008
Issue : SB-K2-EC-0801
Date : August 2008
Service Bulletin
Model(s) : K21/K25 engine
Subject : Error code clearing from ECM
Outline:
Since trucks equipped with a K21/K25 engine are in the field for some months, we see an
increasing number of inquiries regarding clearing the ECM errors.
Failing to clear the ECM errors from the ECM will result in a poor engine performance, even if
the error has been corrected.
The VCM memory has to be cleared as well, since the error codes of the ECM are stored in
this memory as well. It is not possible to remove the E-errors from the VCM without clearing
them from the ECM memory first.
The procedure to clear ECM errors can be found on the Service Manual DVD, Internal
Combustion-1F1/1F2, Engine Gas/LPG K15/K21/K25, Engine control System, EC-52.
The procedure to clear the VCM memory is described in the Service Manual DVD, Internal
Combustion,1F1/1F2 or 1D1/1D2, Vehicle, Vehicle Control System, VC-41
Procedure:
When on the truck, go to the Diagnostic Mode using the correct password.
To clear the ECM memory, follow this procedure:
1. In Diagnostic Mode select ‘TEST’ (D. TEST).
2. Confirm the caution text.
3. Select ‘ECM’ (2. ECM).
4. Go to D2,04.
5. Press
6. Press
7. Press
8. After a short period this message is displayed:
You have successfully cleared the ECM memory.
The information in this bulletin should not be interpreted as basis for claims, unless so designated.
Whenever you order parts, refer to the parts book, not to this Service Bulletin
SB-K2-EC-0801 Error code clearing from ECM.doc Page 1 of 2 13/08/2008
ne00479 Pagina 2 13-8-2008
Issue : SB-K2-EC-0801
Date : August 2008
Service Bulletin
To clear the VCM memory, follow this procedure:
1 In Diagnostic Mode select ‘Alarm’ (C. ALARM).with Then press
2 Select ‘Clear All’ with Then press
3 Select ‘Yes’ with Then press
You have successfully cleared the VCM memory.
The information in this bulletin should not be interpreted as basis for claims, unless so designated.
Whenever you order parts, refer to the parts book, not to this Service Bulletin
SB-K2-EC-0801 Error code clearing from ECM.doc Page 2 of 2 13/08/2008
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UniCarries Engine K15 K21 K25 Service Repair Manual ( For Nissan Forklift 1F1 , 1F2 , 1D1 , 1D2 Models )
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This manual is suitable for both first-time owners and amateur enthusiasts, as well as professional technicians. It is designed in an easy-to-read format and provides all the necessary information to perform procedures accurately. Keeping this service manual accessible and referring to it regularly is recommended. Regular and preventive maintenance outlined in the manual can help save time and money by preventing premature failure and unnecessary repairs.
- Introduction
- Foreword
- Engine General
- Engine Tune-up
- Engine Mechanical
- Engine Lubrication and Cooling System
- Engine Fuel
- Engine Control
- Engine Electric
- Bulletins
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Language: English
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