I disconnected the negative battery terminal to do the 400W anytime mod, and now when reconnecting the alarm goes off (doors closed), and the truck won't start. The car now will crank but not start. I figure the electronics have confused themselves or perhaps it thinks it was stolen? But when I deactivated the alarm system , that's when it fired right up. So he reconnected the battery, still no start. If a jump start won’t work, have the car towed to an automotive repair shop. They apparently never heard of a capacitor either. Then If you have a volt meter try connecting it to the battery and see what the voltage is without turning the key. What do we do? you need to attempt to start the first time only, then after leaving key in the on position after trying to start, for 10 mins, then just key off and back on the the remaing two times. With new battery everything comes on in thevdash as normal, but the car won't start. If I have helped, please hit the thanks button. Car was running fine until last week's cold spell killed the battery. It's all in the smart key system. Tried jumping it and nothing. The vehicle is 10 years old, I figured it out. The starter is suspect, but without being at the car, I am only guessing. If it wouldn't start with a jump, why did you replace the battery? Car Won’t Start Symptom – Starter goes click. If battery voltage drops below 9V, the Steering Lock ECU may need to be re-initialized. Toyota neglected to mention anywhere that changing a battery can cause the software to go nuts. Some batteries are placed in the wheel well of the vehicle, in which case replacement is more intricate. All I good now thank you guys for your help. Content on toyotanation.com is generated by its users. But it won't turn over. The first disarm code stops the alarm from sounding, and the second disarm code is required just so the user will know that the alarm had been triggered. While there are a variety of reasons your Smart Fortwo won't start, the most common 3 are a dead battery, an alternator problem, or failed starter. If the same symptoms come back in a few days, there is a chance that the battery is not holding a charge. I took the battery to advance auto first the battery was completely drained and a cell was messed up or something. Before the deactivation there was zero ignition! Any idea before I call dealer? ^So basically, turn on the IG and close/open the door? Check your fuses as well to see if any one of them are blown. For a better experience, please enable JavaScript in your browser before proceeding. If you get into your Fortwo, turn the key, and your car doesn't start (you may hear nothing or a clicking sound from the engine bay), you have a dead battery and need a jump-start. That seems almost too easy :lol: I think you can take alarm system completely out of the equation here. Fob basically acts like it is dead. It's battery is good, light comes on when buttons depressed. Dash lights come up. – The cells are not filled with the proper amount of water. Kinda like some house alarms where if they've been tripped, the disarm code must be entered twice prior to being able to re-arm the alarm. Tried disconnecting negative battery cable and still nothing. If your key does not work after you change the car battery, start the engine by pressing the START button with the keyfob. When there's a 12V power interuption on a smart key system, the imobilizer needs to be reinitialized. JavaScript is disabled. Old battery died, jumper didn't work. Replaced the 12v battery, now the car won't start. It supplies power for your car’s electronics when you’re underway and makes sure the right amount of charge goes back to the battery. It doesn't hurt, but just saying. It is a possibility that the new battery isn't fully charged but only enough to power on the lights. A scanner showed the security lock was enabled which cuts fuel. Try to start your vehicle as you normally do. This video shows you how to jump start a dead battery in your 2008 Smart Fortwo. Replies: 27 Views: 2,235. dig4dirt Oct 31, 2019. For a better experience, please enable JavaScript in your browser before proceeding. From that answer I will know which direction to head. The brake pedal feels stiff when I depress before pushing start button. Content on toyotanation.com is generated by its users. It’s possible that the battery you connected is not compatible with your car’s system, and it isn’t powerful enough to deliver enough … The battery was completley dead after sitting in 30 degree weather for 10 1/2 hours, so I was not concerned when it didn't start immediately after hooking up the jumper cables. make sure at least 10 mins if it is anything less than 10 mins it wont work If it wouldn't start with a jump, why did you replace the battery? If it didn't start with a jump then the battery shouldn't have been replaced. Just shooting in the dark, but have you tried pressing the unlock button on the fob several times prior to trying to start? If you replace your car battery and the vehicle still won’t start, there are a number of different things that might have gone wrong. Hello I have a 05 Avalon keyless ignition that I have recently replaced the battery because the car wouldn't start not even with a jump. Since you have replaced the battery and the issue is intermittent, the most likely cases at this point would be a fuel pump, starter, battery cable, or ignition switch. First go to the fuse box (SAM) and pull it down to access the back side. Nothing different from when it wouldn't crank and fob wouldn't except an overnight sleep at the parking lot. Unfortunately, there are times when replacing the battery doesn't fix your keyless remote. In vehicles equipped with the Smart Key system, the starting function may not be operational after recharging a discharged battery or jump starting the vehicle. If Your Car Won’t Start. The solenoid wire is light blue in a 2 pole plug … It could save you hundreds of dollars: This diagram […] When you try to start it the voltage shouldn't drop much with a good, new, battery. Follow the initialization procedure below to re-initialize the Steering Lock ECU. Try re-connecting the battery first. I walk around like everything is fine, but deep down, inside my shoe, my sock is sliding off. Please enable JavaScript in your browser before proceeding 2010 Rav4 wo n't start with a big screwdriver and see any... The Steering Lock ECU to try if the same symptoms come back in a few,. Can go back to using your key fob as normal seem normal ( crude battery )... Is thanksgivings night and for the first time our 2010 Rav4 wo n't start non-event! 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