Remote start relay not firing
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=82493
Printed Date: April 29, 2024 at 7:59 PM
Topic: Remote start relay not firing
Posted By: calvinazzola
Subject: Remote start relay not firing
Date Posted: September 04, 2006 at 10:05 PM
I recently bought a remote starter, and installed it to the best of my ability. When I push the ignition button, the car powers up into the ON mode but doesn't start. My troubleshooting revealed that the relay responsible for providing power to the starting wire isn't activating. There is 12 volts at the relay, but the relay coil is not receiving the signal to switch on from the alarm module. My car is a 1997 lexus es300.
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-Calvin
Replies:
Posted By: JWorm
Date Posted: September 04, 2006 at 10:17 PM
and what model remote start are you using....
Posted By: calvinazzola
Date Posted: September 06, 2006 at 7:53 PM
The alarm is a Thor CF425. I can post the wiring schematic if needed. I should also point out that I have not yet wired the door locks. I was hesitant to continue installing it after running into this problem.
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-Calvin
Posted By: calvinazzola
Date Posted: September 06, 2006 at 8:02 PM
I don't think so. The 12V constant is there from the battery, but it seems like that last relay (out of the 3 together) isn't getting a signal from the unit. 2 of them are firing for sure.
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-Calvin
Posted By: cool_greg
Date Posted: September 07, 2006 at 1:19 PM
do you have the neutral safety wire connected, even when used in an auto trans this must be grounded for the r/s to work?
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Just a Guy, Wiring up those Vehicals
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Gool_Greg
Posted By: thepencil
Date Posted: September 07, 2006 at 1:25 PM
What about Tach learning? Does the the unit say anything about some sort of procedure you got to do first? You may have overlook this part. ------------- Be careful whose advice you buy, but be patient with those who supply it. 
Posted By: calvinazzola
Date Posted: September 07, 2006 at 6:02 PM
QUOTE=thepencil]What about Tach learning? Does the the unit say anything about some sort of procedure you got to do first? You may have overlook this part. [/QUOTE] The manual mentions remote engine start intelligence using a sense wire, but nothing to do with programming it. I got the following broken english suggestions from the Chinese manufacturer. 1. Please check if the transmittersf battery is enough? If the main unit or the wire was broken or hurt by water? 2. Please install the alarm system by the professional who have study the installation guide to make sure the system good running. 3. Make sure the door was closed correctly before you use this remote start function. 4. Please check if itfs misconnecting such as: there is +12v current output from eONf line and estartf line, you can check eONf1 wiref and eONf2wiref. 5. You should enter into the arming mode before remote start the engine. 6. If your car is the Automatic transmission, do please put the gearbox to gPh or gNh, before you using the remote engine start function. (Detail please refer to the installation guide) 7. If the car cannot be started by remote for any reasons, please check your car in time. Suggestion 3 seems like it might lead to something since I haven't wired the doors yet... ------------- -Calvin
Posted By: calvinazzola
Date Posted: September 07, 2006 at 6:09 PM
thepencil wrote:
What about Tach learning? Does the the unit say anything about some sort of procedure you got to do first? You may have overlook this part.
The manual mentions remote engine start intelligence using a sense wire, but nothing to do with programming it. I got the following broken english suggestions from the Chinese manufacturer. 1. Please check if the transmitters battery is enough? If the main unit or the wire was broken or hurt by water? 2. Please install the alarm system by the professional who have study the installation guide to make sure the system good running. 3. Make sure the door was closed correctly before you use this remote start function. 4. Please check if its misconnecting such as: there is +12v current output from ON line and start line, you can check ON1 wire and ON2wire. 5. You should enter into the arming mode before remote start the engine. 6. If your car is the Automatic transmission, do please put the gearbox to P or N, before you using the remote engine start function. (Detail please refer to the installation guide) 7. If the car cannot be started by remote for any reasons, please check your car in time. Suggestion 3 seems like it might lead to something since I haven't wired the doors yet... ------------- -Calvin
Posted By: cool_greg
Date Posted: September 08, 2006 at 12:32 AM
Number 3 shouldn't be a problem if it's not hooked up yet.
i would remove the relay unit and hook each relay in turn up to a 12vdc power supply and listen for it working, if thats ok, then check the output from the r/s unit to see if there is 12v driving each relay. other than that it looks like there is a fault with the r/s unit.
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Just a Guy, Wiring up those Vehicals
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Gool_Greg
Posted By: iskidoo
Date Posted: September 10, 2006 at 5:36 PM
Uh actually the suggestions lead me to believe that you need to hook up a neutral sense wire whether it be auto or manual. It also appears that it need to see if the alarm is armed. Is this unit designed for a manual transmission? Are you installing into an auto or manual tranny vehicle?
I think you should post the schematic or link to a pdf if it's available online.
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Steve G
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