AmericaMonster Posted May 6 Share Posted May 6 2013 CLS 250 model. Sat for 14 minutes. Both batteries are depleted and have been changed, along with the fob battery. I utilised the mechanical key to unlock the vehicle; but, the ignition does not respond when I insert the fob. Is there a reset procedure to enable the fob to recognise the vehicle and vice versa? Link to comment Share on other sites More sharing options...
Lemmand Posted May 6 Share Posted May 6 Has the automobile battery been completely recharged? The fob batteries are unrelated to the release of the steering lock or the deactivation of the immobiliser necessary for starting the vehicle. The key is recognised by the steering lock, and the immobiliser circuit within the key is energised through induction from a coil in the steering lock/ignition switch. Link to comment Share on other sites More sharing options...
AmericaMonster Posted May 6 Author Share Posted May 6 Both fresh batteries are completely charged. The fob fails to open the doors, although it engages the ignition switch; nonetheless, no dashboard lights illuminate. Link to comment Share on other sites More sharing options...
Lemmand Posted May 6 Share Posted May 6 The fob is unable to unlock the doors, yet it does operate the ignition switch. Who replaced the two batteries in the vehicle? Are you entirely convinced that they were linked properly? Are you certain that the protective cover has been removed from one of the terminals on the batteries within the key fobs? Frequently disregarded. Can you ascertain how I am aware? 🤔 The batteries in the key fob serve to power the RF signal for locking and unlocking. Not intended for engine ignition. Your description suggests the presence of two issues. I presume you have tested both keys in the ignition? A malfunction with the Electronic Ignition Switch (EIS) is a possibility, which is not unusual. Link to comment Share on other sites More sharing options...
Lemmand Posted May 6 Share Posted May 6 Can you verify the voltage in the engine compartment? A Positive terminal is typically present for connecting jump leads. Link to comment Share on other sites More sharing options...
AmericaMonster Posted May 6 Author Share Posted May 6 The fob battery has had its protective film removed; I am already aware of this, can you surmise how? The main battery and auxiliary battery both exhibit a satisfactory 12V reading, and the fob battery has been verified at 3V. I am unable to test the primary battery under load for amperage, but that is irrelevant if I cannot start the engine. I have also inspected the fuses and relays. Link to comment Share on other sites More sharing options...
Lemmand Posted May 6 Share Posted May 6 Could the wire have sustained damage from rodents over the period of disuse? Link to comment Share on other sites More sharing options...
AmericaMonster Posted May 6 Author Share Posted May 6 I have encountered that issue previously, but I cannot identify any apparent cause. Link to comment Share on other sites More sharing options...
Lemmand Posted May 6 Share Posted May 6 Have you inspected the primary engine ground connection and all fuses in the front and rear SAMs? I lack diagrams of these, however it may be prudent to inspect for any exposed wiring looms for indications of damage. Link to comment Share on other sites More sharing options...
AmericaMonster Posted May 6 Author Share Posted May 6 I have observed damage to the loom. Previously, the vehicle exhibited severe roughness, and the auto electrician identified damage to one of the injector feeds. I will call him tomorrow and persuade him to come out. I appreciate your counsel. Link to comment Share on other sites More sharing options...
Insignia GS Line Forum
Insignia GS Line Forum
Recommended Posts
Please sign in to comment
You will be able to leave a comment after signing in
Sign In Now