04 toyota mr2 spyder brake r/s

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kassdog

Copper - Posts: 257

Joined: March 09, 2007

Location: United States

Posted: November 17, 2007 at 12:22 PM / IP Logged

I'm putting in a basic remote start into a 2004 toyota mr2 spyder. My question is that in order for the car to start you need to have the brake depressed. Is there anything special that needs to be done in order for the remote start to work. I was thinking that maybe a relay needs to be used to send a 12v signal to the brake during remote start.

KarTuneMan

Platinum - Posts: 7,056

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Joined: December 14, 2004

Location: Isle Of Man

Posted: November 17, 2007 at 1:11 PM / IP Logged

Manual trans?

kassdog

Copper - Posts: 257

Joined: March 09, 2007

Location: United States

Posted: November 17, 2007 at 2:34 PM / IP Logged

No, auto stick with no clutch.

KarTuneMan

Platinum - Posts: 7,056

Joined: December 14, 2004

Location: Isle Of Man

Posted: November 17, 2007 at 2:44 PM / IP Logged

Theres nothing in the wiremagic tech notes, OR the astrochart, for this car being anything other than a normal install?

PASSIVE ANTI-THEFT

YES

TRANSPONDER

SEE NOTES

12 VOLTS

WHITE/ red

Ignition switch harness

These wires may change color at a connector on the steering column. Verify both sides of the plug for these colors.

IGNITION

RED / white

Ignition switch harness

These wires may change color at a connector on the steering column. Verify both sides of the plug for these colors.

IGNITION 2

BLACK / YELLOW

Ignition switch harness

These wires may change color at a connector on the steering column. Verify both sides of the plug for these colors.

ACCESSORY

Runs with ignition

STARTER

Red

Ignition switch harness

These wires may change color at a connector on the steering column. Verify both sides of the plug for these colors.

KEY SENSE

Yellow/red

At steering column

TACH SIGNAL

White

Under driver's side running board

FUEL INJECTOR

Opposite of BLACK/ red

At any injector on engine

LOCK

Blue/white

In driver's kickpanel

UNLOCK

Blue / YELLOW (double pulse)

In driver's kickpanel

DOORPIN

RED / white

SEE NOTES

RED / white in DKP cathces driver's door. RED / white in PKP catches passenger door.

BRAKESWITCH

GREEN / WHITE

At switch above brake pedal

PARKLIGHTS

Green

In driver's kickpanel

You can also use RED / WHITE (-) at the light switch.

HAND BRAKE

BLACK/ white

At DRL module

RED / white in DKP cathces driver's door. RED / white in PKP catches passenger door.

HORN

WHITE/ red

At steering column

kassdog

Copper - Posts: 257

Joined: March 09, 2007

Location: United States

Posted: November 17, 2007 at 2:58 PM / IP Logged

I have the wiring guide. But normally aren't you supposed to interface it some how. Otherwise I can't see how it will get started. I guess I'll try to hook it up normal and hope that it works.

techman93

Silver - Posts: 591

Joined: October 28, 2006

Location: Pennsylvania, United States

Posted: November 17, 2007 at 11:53 PM / IP Logged

Most remote starts wont allow the remote to start with the brake wire engaged so you will need to be creative. The unit will have to send 12v+ to the brake but not the remote start. I imagine a couple relays may be needed to accomplish that.

Here is a possible solution:

relay #1

pin 30 to fused 12v+ constant

pin 85 to fused 12v+ constant

pin 86 to negative crank output off remote start

pin 87 to the brake wire that needs to go 12v+ to start

relay #2

pin 30 to remote start 12v+ brake trigger

pin 86 to negative crank output off remote start

pin 85 to a fused 12v+ constant

pin 87a to the brake wire that goes hot (GREEN / WHITE)

If the remote start unit doesn't offer a negative output for a second starter you will need to send a positive through a diode to pin 85 of both relays and on both relays change pin 86 to a ground

The wire I'm test'n isn't doin' what it's supposed to be doin'... I am so glad I printed that tech sheet, with the wrong info.

Do it right the first time... or I might have to fix it for ya

kassdog

Copper - Posts: 257

Joined: March 09, 2007

Location: United States

Posted: November 18, 2007 at 10:29 AM / IP Logged

Great I'm going to try this now. Get back to you if it works.

kassdog

Copper - Posts: 257

Joined: March 09, 2007

Location: United States

Posted: November 18, 2007 at 11:23 AM / IP Logged

So tried it and it didn't work. Any other ways you can think of. I think the problem with the diagram you gave me is that there is only one wire in the brake switch that switches to 12v when pressed and thats the GREEN / WHITE.

profuse007

Gold - Posts: 2,015

Joined: October 20, 2002

Location: Texas, United States

Posted: November 18, 2007 at 11:32 AM / IP Logged

Check if there is another switch on the brake pedal. I did couple of these awhile back but do NOT remember such a thing, or it might have been MT.

my diagramdo NOT show anything needs to be active prior to starting. link is for 04 mr2 spyder.

Houston,TX

"The two most common elements in the universe are H+ and stupidity" (Ellison).

kassdog

Copper - Posts: 257

Joined: March 09, 2007

Location: United States

Posted: November 18, 2007 at 12:45 PM / IP Logged

There is only the one switch coming from the brake. Here are the wire colors. RED / Blue White GREEN / WHITE RED / white. The only two wires that test are GREEN / WHITE which is brake and white that is 12v. I tried wiring up this relay configuration and it didn't work

Relay 1

86-(-) starter output

85- 12v fused

87a- GREEN / WHITE switch side

30- GREEN / WHITE opposite side

Relay 2

86-(-) starter output

85 87- 12v fused

30- GREEN / WHITE opposite switch side

Is this setup correct. With this configureation it still doesn't work and it sends 12v to the GREEN / WHITE during crank. but does not crank.

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Disclaimer: *All information on this site ( the12volt.com ) is provided "as is" without any warranty of any kind, either expressed or implied, including but not limited to fitness for a particular use. Any user assumes the entire risk as to the accuracy and use of this information. Please verify all wire colors and diagrams before applying any information.