TRD Engine Start Button (with pin layout)

[OnAll-FOUR]

Okay I got my hands on one of these and I pulled it apart tonight to find out the circuit layout

These things aren't cheap for a push button but It looks like there is something to do with the immobilisers built into these buttons are there are some terminals marked Ant1 and Ant2 and the sticker on the side of it says, "Amplifier, Immobiliser"

Also on the side is 5Vdc, 100mA so I assumed the LEDS on this run at 5V.

Front view, the green LED on top is actually a Red/Green bi colour LED


Inside there is the following circuit board. and I found the terminals on this side related to particular LEDs


When I applied +5V to these terminals the front LEDs worked

So in all the pin layout if your looking from the back of the button is as follows.

Pin layout is shown by the pin numbers '1'
 
                    Not Sure    1    2   Push Button Connection 1 
      Red Bi Colour LED    3 
   Green Bi Colour LED    5    6  Common for Push Button and LEDs
           TRD Back light    7    8   Common for Push Button and LEDs
                    Not Sure    9    
                    Not Sure    11  12   Push Button Connection 2 
                    Not Sure    13

The two common pins, 6 and 8 are directly connected together at all times and are the -ve connection for the LEDs as well.

When the engine start button is pressed in, pins 3and 6 are bridged together. As are 8 and 11

Cheers

[MWP]

Might have been easier to strip out the existing PCB and fit a simple momentary switch behind the red button.

What was it worth?

[SeptemberSquall]

Might have been easier to strip out the existing PCB and fit a simple momentary switch behind the red button.

What was it worth?

if you're interested in one email me michael.pitt @ lexusofbrighton.com.au and i can chase you one up at dealer cost

[oldcorollas]

oh, these are basically a "Pivot" start switch right?
they have same features and probabyl same cost
(same as the TRD gauges are DEFI)
look for a PIVOT start switch guide
liek this maybe? http://www.pivotracing.com/product/SSK
manual
http://www.pivotracing.com/files/199...aded/SSK-e.pdf

edit: apparently not.. they are just prettier stock part...

Exchange switch unit assembly. Painted in matt red.
*Only for vehicle equipped with push start switch.
*Only for vehicle equipped with smart entry system and start system.

oops

AURIS 06.10- NZE15#H/ZRE15#H ※
BELTA 05.11- NCP96, SCP92 ※
BLADE 06.12- AZE154H, 156H
CROWN MAJESTA 06.7- UZS18#
CROWN 05.10- GRS18# ※
COROLLA AXIO 06.10- NZE14#, ZRE14# ※
COROLLA FIELDER 06.10- NZE14#G, ZRE14#G ※
ESTIMA 06.1- ACR5#W, GSR5#W
ist 07.7- NCP110, 115, ZSP110
RAV4 05.11- ACA3#W ※
Vitz 05.2- SCP90, KSP90, NCP9# ※

so what does ti do in stock situation? talks to ECU and?

well, at least the TRD light switch goes to headlight power