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Hard start when using key


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tacoma05 
Member - Posts: 11
Member spacespace
Joined: January 20, 2005
Location: United States
Posted: January 31, 2005 at 12:10 PM / IP Logged  

I had a Viper 791installed in an 05 Tacoma, everything is working fine, except for one.  The car starts fine with the remote start, but if I try to just use the key, it starts prety hard.  I usually have to turn it over a few times, for a few seconds to get it to start.  There is a key module installed under the dash.

Any ideas? 

2005 Tacoma V6 DC/SB
Velocity Motors 
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Moderator spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Fabrication. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spaceThis member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.spacespace
Joined: March 08, 2002
Location: Manitoba, Canada
Posted: February 01, 2005 at 7:20 PM / IP Logged  
Make sure that the module has the key sense wire hooked up on it. This allows the module to know when to release it's signal to the immobilizer. Otherwise you get two codes at the same time going into the computer of the Toyota.
Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
Bmnicolosi 
Copper - Posts: 173
Copper spacespace
Joined: January 26, 2005
Location: Louisiana, United States
Posted: February 02, 2005 at 10:26 AM / IP Logged  
Are you sure you need the bypass in there?  My best friend has an 05 tundra that we put the 791 xv into and he did not need the bypass.  if it is not needed then you could eliminate it and see if that caused the problem.
TJ92Civic 
Copper - Posts: 161
Copper spacespace
Joined: November 13, 2004
Location: United States
Posted: February 02, 2005 at 2:39 PM / IP Logged  

Make sure that if there is a starter kill that the wires are all securley connected.  Maybe there is not a good connection on the starter wire?

Just a guess

tim

Mja1962 
Copper - Posts: 119
Copper spacespace
Joined: September 14, 2004
Location: United States
Posted: February 02, 2005 at 3:02 PM / IP Logged  

Other questions which might lead you to a solution:

1. Is starting with the key now any different than it was before the remote starter was installed? 

2. Is starting with the key now any different if the remote starter is disabled (fuse removed)?

-Michael

tacoma05 
Member - Posts: 11
Member spacespace
Joined: January 20, 2005
Location: United States
Posted: February 02, 2005 at 3:55 PM / IP Logged  

Good question,  It is definetly much harder to start now then before the remote start was installed.  And I'm going to go check on question #2.

As for whether or not I need a bypass, I was told I did by the installer because I have a chip in my key.  Not sure if he was right but thats what he said.

2005 Tacoma V6 DC/SB
nokia15291 
Copper - Posts: 59
Copper spacespace
Joined: February 15, 2005
Posted: February 15, 2005 at 3:44 PM / IP Logged  

I also tried installing a remote start on the same vehicle with same problems using DEI 556U key module......in order for it to start via key you need to insert the key into the ignition but not turn it until the red car light stops flashing next to the clock...when this stops flashing you can start the vehicle....I am going go try to take the 12v wire from the dei module and hook it to an accessory wire instead of a constant 12v wire and see what happens.  Anyone else have another idea?

I did try to install the keysense wire from the key module...using diodes of course...and nothing..still same problem

tacoma05 
Member - Posts: 11
Member spacespace
Joined: January 20, 2005
Location: United States
Posted: February 15, 2005 at 4:02 PM / IP Logged  

Update:  I went to Audio Express yesterday where the alarm was installed and the salesmans response was "there's no way the alarm could be sausing that", he said "it must be the trucks ignition system."  I explained to him that since the car started "fine" with the remote start that therefore the ignition must be working fine.  Also, I showed him the print out of of the first four responses to this thread, and he literally "laughed", saying that the suggestions above were ridiculous.  I asked for the manager, who was out, so I told him i'd call in today when the manager gets in.  What makes me the most mad is that he wouldn't even consider the possibility that the alarm could be causing these problems, eventhough, other competent installers (see above) had suggested viable solutions.

nokia15291 - thanks for that suggestion, i'm going to break free from work and go try it......

2005 Tacoma V6 DC/SB
nokia15291 
Copper - Posts: 59
Copper spacespace
Joined: February 15, 2005
Posted: February 15, 2005 at 4:13 PM / IP Logged  
let me know what happens because i am trying to figure the same thing out!!
nokia15291 
Copper - Posts: 59
Copper spacespace
Joined: February 15, 2005
Posted: February 15, 2005 at 4:21 PM / IP Logged  
You do need to install two relays for the starter circuit...since the tacoma requires two starter and two ignition wires to be powered....I have had some intermittent problems with mine remote starting recently also...most of the time it works...but sometimes it does not....The bypass module' antenna is a POS...i wish they made something that could just tap into the wire harness of the factory transponder and be done
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