2014年2月25日星期二

Mercedes-Benz C200 sedan cannot start

A mileage of about autologic diagnostic fifty eight,000 km, engine and transmission styles were 271,950 and 722,695 Mercedes-Benz C200 sedan. Buyers report: the vehicle will not likely start out.

Troubleshooting : Initial verify malfunction. Buyer named me and stated the true secret to the ignition swap , switch the main element the many lights about the instrument isn't lit, the electronic steering lock wouldn't turn from the lock course , commence the vehicle no SuperOBD SKP900 reaction . So simple software to deliver reduction . Soon after achieving the scene, put the true secret into the ignition swap to turn the key to start out the device that reaction is just not , can't commence the motor vehicle. This phenomenon is caused by the fault most probably explanations are as follows : the whole vehicle isn't any electrical energy , the secret's incorrect or damaged , harmed ignition swap , electronic steering lock is damaged , the front SAM handle unit ruined.

First, set the main element to the ignition swap , go two Dangqu open headlights, horn, are regular, having a multimeter to measure the battery voltage is also usual , by using a important to unlock the lock to the command can also be ordinary, allow prospects to a different right after the get over a vital examination is the same , excluding the first two possibilities , related right into a solitary diagnostic digital ignition switch EZS, study fault codes are: electric powered steering lock is defective , there is a sign failure or an error information . Following, open up the WIS recognize digital ignition change circuit, could be plainly observed with the figure ahead of the SAM, electronic steering lock regulate device , electronic ignition swap circuit connection among the SAM within the 19th ahead of the fuse for the tacho pro electronic ignition change N73 's C District No. one, the electronic steering lock pin and a couple of -pin manage unit N26 / 5 gives electrical power , on the 27th ahead of the SAM fuse digital ignition swap B in the 7th district N73 pin presents power , electronic ignition switch N73 's C zone 2 pin amount for that digital steering lock command unit over the 4th pin N26 / five delivers ability . Soon after these strains and crystal clear ability to specifically visit the insurance company ahead of the SAM 19 , the 27th , the end result is usual, the direct utilization of a multimeter to evaluate the supply voltage among the different modules, the result is ordinary, therefore the exclusion of pre- SAM, locked within an electronic ignition change N73 and amongst digital steering lock manage device N26 / 5.

Next within the boot push sort acceptance screening, exam the premise that: ( 1 ) Turn the ignition change ; ( 2 ) Get ready two keys ( necessitates two keys to have a lot more correct final results ) . Action detection are: ( one ) the distant essential to the ignition switch N73 in electronics ; ( two ) the main element from the ignition switch N73 in electronic pulled out ; ( three ) off the instrument by instrument witnessed while in the real value of the electronic ignition swap , if we glance at to determine the remote essential just isn't pulled down, then the electronic ignition change N73 damaged and need changing , the important thing here is usually to detect the distant management to drag down , indicating the electronic ignition change no difficulty. The situation is locked in N26 / 5 digital steering lock control device to communicate with customers to explain the specific situation soon after past call trailer towed the car enterprise , then came again to established an electronic steering lock manage unit N26 / five as well as a environmentally friendly key , wait around right up until the arrival over the alternative. x431 As electronic steering lock is really a safety element , when it seems the problem is hard to wreck immediately after demolition, the inexperienced important for being extremely more watchful simply because it may only be utilised after , will likely be void if incorrect procedure , I set my knowledge to jot down alternative under reference.

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