What is the code 25 on a DDEC II?
It will, for example, flash twice … pause … flash five times … pause. In other words a code 25. Code 25 will continue to flash and repeat as long as the check engine switch is held in the “On” position with the ignition on. EMERGENCY JUMP STARTING The DDEC II electronic control system operates on 12 volt DC.
How many volts does a DDEC III engine use?
DDEC III and DDEC IV electronic control systems operate on 12 or 24 volts DC. If a DDEC III or DDEC IV engine with an electronic starting motor requires emergency jump starting do not exceed 32 volts DC. NOTICE: Jump starting with voltages greater than those indicated or reversing battery polarity may damage the ECM (Electronic Control Module). 5
What kind of sensor harness does a DDEC engine use?
The DDEC III/IV engine sensor harness for vehicle engines was originally equipped with five metal retaining clips and was secured to the engine cylinder block with bolts. Effective with engines built in May of 1995, three of the metal clips were replaced by three plastic push-in clips. See Figure “Typical DDEC III/IV Engine Sensor Harness” .
How does Detroit Diesel Series 60 engine work?
Detroit Diesel Electronic Controlled Series 60 engines can be equipped with a variety of options designed to warn the operator of an engine malfunction. The options can range from “Check Engine” and “Stop Engine” panel lights to automatic reduction in engine power followed by automatic engine shutdown.
Where are the diagnostic codes on a Detroit Diesel?
Press and hold the switch. Active codes will be flashed on the “Stop Engine” light (SEL) followed by the inactive codes being flashed on the “Check Engine” Light (CEL). The cycle will repeat until the operator releases the diagnostic request switch. DDEC III/IV Diagnostic Codes
What does the red indicator mean on a DDEC system?
The DDEC system is easy to operate, and diagnostic functions are displayed to the driver. Typically, there are two indicator lights, one in yellow and one in red. The red indicator represents a significant-engine fault, and in most cases, the engine shuts down to protect the engine from damage.