Car Diagnostic Tool FAQ--UOBD2

Help you to be a car master

Mercedes-Benz S400 car ECO function can not be used

posted by Chasen on May 30, 2017 under Car Diagnostic Tool
tags: MB SD Connect 4 MB SD C5

A driving distance of about 75,000 km, equipped with 276 twin-turbo engine Mercedes-Benz S400 sedan. Customer Response: The vehicle ECO function can't be used.mb sd connect compact 4     Fault diagnosis: after the car to start the car, no alarm on the instrument, connect the  MB SD C5 diagnostic computer for rapid testing, the control unit are no fault code. And the customer road test to verify the fault phenomenon, found that the ECO indicator on the instrument has been yellow, driving for a long time will not turn green.5054A     Using the diagnostic computer into the engine control unit (ME) in the ECO state actual value, found that the actual value is normal, as shown in Figure 1.Foxwell NT510 Scanner As the actual value shows normal, can not determine the fault range, try to engine control unit, transmission control unit, ESP control unit, before the SAM and after the SAM control unit are upgraded, the fault remains the same. Then after the throttle cleaning and 10min power failure, the fault still did not improve.OBD2    First look at the ECO start / stop function How it works: When the vehicle is at rest, the ECO driver that the ECO start / stop function is ready.Autel PS100  vehicle electrical system is in normal condition; the driver's door is closed and the driver's seat belt The temperature inside the car has been adjusted.

11 visits |0 Comments|Reply

Related Posts

There are no comments on this post

Write a New Comment on Mercedes-Benz S400 car ECO function can not be used

Please Log In or Register to post comments.