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Gtir Motorsport club » Tech room » Help and Advice » Help fitting hks afr

Help fitting hks afr

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1Help fitting hks afr Empty Help fitting hks afr on 23rd February 2016, 1:14 pm

Stu

Stu
Admin
Admin
Hi guys.

I'm after a little guidance.
I'm fitting an hks afr.

Pin 36 i can use for the live?
Pin 39 i can use for ground?

It tells me Conect the yellow afr wire to the wire going to the ecu.
And Conect the white afr wire to the wire going from the ecu.

Pin 16 is the afr wire.

Is that in or out of the ecu?
Also if it is in, which pin is the afr out?
Or if it is out, which pin is the afr in?


Pin #
Name
Function
Signal Type

2
Tachometer Signal
Engine Speed Sensor Signal
Speed

4
Main Relay (Electronic Concentrated Control System)
12V Switched
Power

6
Power Ground (Electronic Concentrated Control System)
Chassis Ground
Ground

13
Power Ground (Electronic Concentrated Control System)
Chassis Ground
Ground

16
Mass Air Flow Sensor
Mass Air Flow Sensor Signal
Analog

17
Mass Air Flow Sensor Ground
Chassis Ground
Ground

18
Engine Coolant Temperature Sensor
Engine Coolant Temperature Sensor Signal
Analog

19
O2 Sensor Signal
Oxygen Sensor Signal
Analog

20
Throttle Position Sensor
Throttle Position Sensor Signal
Analog

21
Sensor Ground
Chassis Ground
Ground

26
Air Temperature Sensor
Air Temperature Sensor Signal
Analog

27
Knock Sensor
Knock Sensor Signal
Knock, Audio

29
Sensor Ground
Chassis Ground
Ground

32
Vehicle Speed Sensor
Vehicle Speed Sensor Signal
Speed

36
Ignition Switch
12V Switched
Power

39
Power Ground (Electronic Concentrated Control System)
Chassis Ground
Ground

46
Power Supply (Aux)
12V Permanent
Power

47
Power Supply (Engine Control Module)
12 Switched
Power

48
Power Ground (Electronic Concentrated Control System)
Chassis Ground
Ground

101
Injector # 1
Engine Speed Sensor Signal
Speed

103
Injector # 3
Engine Speed Sensor Signal
Speed

107
Power Ground (Electronic Concentrated Control System)
Chassis Ground
Ground

108
Power Ground (Electronic Concentrated Control System)
Chassis Ground
Ground

109
Power Supply (Aux)
12V Permanent
Power

110
Injector # 2
Engine Speed Sensor Signal
Speed

112
Injector # 4
Engine Speed Sensor Signal
Speed

116
Power Ground (Electronic Concentrated Control System)
Chassis Ground
Ground


_________________
Back againTwisted Evil
http://www.j10-meets.co.uk

2Help fitting hks afr Empty Re: Help fitting hks afr on 23rd February 2016, 1:16 pm

Stu

Stu
Admin
Admin
Also when I cut the afr signal wire and put the hks afr in its place, will the ecu then throw up a fault code because it's no longer getting a signal.
Or do I just splice the ecu wires so the ecu still gets a signal?


_________________
Back againTwisted Evil
http://www.j10-meets.co.uk

3Help fitting hks afr Empty Re: Help fitting hks afr on 23rd February 2016, 1:42 pm

Stu

Stu
Admin
Admin
Okay. I have figured it out I think.
Can someone just confirm this please.
(ECU MAF signal wire) Cut the Orange wire in half this is the MAF signal wire that will be running through the HKS AFR.
Yellow wire to Orange wire connect to ECU.
White wire to Orange wire connect to MAF.


_________________
Back againTwisted Evil
http://www.j10-meets.co.uk

4Help fitting hks afr Empty Re: Help fitting hks afr on 23rd February 2016, 1:43 pm

Mr B

Mr B
gtir technician
gtir technician
Cut pin 16 wire so you now got 2 ends
The end that goes to ecu has the yellow wire connected to it
The other end that feeds back to Maf has the white wire connected to it

Ecu still gets a signal (just a trimmed one via afr unit) so no fault if all wired & working correct


EDIT
you got it stu ...



Last edited by Mr B on 23rd February 2016, 1:45 pm; edited 1 time in total (Reason for editing : stu worked it out)

5Help fitting hks afr Empty Re: Help fitting hks afr on 23rd February 2016, 2:20 pm

Stu

Stu
Admin
Admin
Thanks MrB Smile


_________________
Back againTwisted Evil
http://www.j10-meets.co.uk

6Help fitting hks afr Empty Re: Help fitting hks afr on 23rd February 2016, 2:32 pm

Mr B

Mr B
gtir technician
gtir technician
which one you got stu, is it the single adjustment dial one with 4 wires !?

7Help fitting hks afr Empty Re: Help fitting hks afr on 23rd February 2016, 4:14 pm

Stu

Stu
Admin
Admin
Yes mate. Just the basic one.
The car had one installed when I first bought the car in 2009.
Ot no longer there and I just want to raise the afr slightly so have purchased one Smile


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http://www.j10-meets.co.uk

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