34 SEBU7901-01 Operation Section Engine Diagnostics i01456915 Engine Operation with Intermittent Diagnostic Codes i01801152 Customer Specified Parameters SMCS Code: 1000; 1900; 1901; 1902 SMCS Code: 1000; 1900; 1901; 1902 If the diagnostic lamp starts to flash codes during normal engine operation and the diagnostic lamp shuts off, an intermittent fault may have occurred. If a fault has occurred, the fault will be logged into the memory of the Electronic Control Module (ECM). Customer specified parameters that will enhance the fuel efficiency and the operator’s convenience can be programmed into the Electronic Control Module (ECM). Some parameters may affect engine operation.
This may lead to complaints from the operator about power or about performance. The following engine related parameters may be programmed by the customer by using Caterpillar electronic service tools in order to influence the operation of the engine: In most cases, it is not necessary to stop the engine because of an intermittent code. However, the operator should retrieve the logged fault codes and the operator should reference the appropriate information in order to identify the nature of the event. The operator should log any observation that could have caused the lamp to light.
Customer Passwords Power Rating (hp at rpm) Low power Rating Selection Limits of the engine speed Air/Fuel Ratio Excessive smoke, etc PTO Ramp Rate This information can be useful to help troubleshoot the situation. The information can also be used for future reference. For more information on diagnostic codes, refer to the Troubleshooting Guide for this engine. Low Idle High Idle Top Engine Limit Torque Limit Intermediate Speed Engine Monitoring Mode Equipment ID Maintenance Indicator Parameter Lockout The customer specified parameters can be changed as often as needed. Password protection is provided so that the customer can change the parameters.
The customer can authorize someone else to change the parameters. Ensure that a record of the parameters is kept in the Operation and Maintenance Manual. For detailed instructions on programming the engine for optimum performance and for optimum fuel economy, consult your Caterpillar dealer.