Steering lock problem solved (for real)

Ubetit · 05-26-2012, 08:24 PM

Steering Lock: cut one wire. /switch optional

This shows things a little differently. One Leg to the lock, one leg to the CPU but not by the way of the TPRM

Baer383 · 05-26-2012, 08:28 PM

Quote:

Originally Posted by Ubetit

Steering Lock: cut one wire. /switch optional

This shows things a little differently. One Leg to the lock, one leg to the CPU but not by the way of the TPRM

Enlighten us to what the difference is.

Also Dai is driving his car around and has called me to inform that everything works as normal with no issues at all.
So it really doesn't matter how differently the other thread shows it this is the best,fastest,no damage to car,the only draw back we found is we actually had to take to fuse out ourselves.

wheee! · 05-26-2012, 09:44 PM

Hmmmm, feeling a little stupid here......

I tried removing the fuse box beside the battery, but after removing the battery cover, rain guard moulding, windshield glass/wiper molding, and attempting to lift the IPDM ER fuse box, I finally gave up! I couldn't lift the box high enough to either open it or disconnect the harness to it from below. Do I have to remove the battery first???

Vichtz · 05-26-2012, 10:10 PM

I'm new to this platform so I gotta ask, why are we fixing the steering lock?

wheee! · 05-26-2012, 10:17 PM

There are lots of threads on this, and you having an 09 should be very aware of this issue. Sometimes the steering locks fail and leave you stranded. Very hard to fix if it fails in the locked position, needs new parts from the dealer. Not great. Disabling the lock prevents the issue from occurring.

DIY: Replace dreaded steering-lock on 2009s and early 2010s.

Those of you who have had Steering Lock Failure

She's Dead, Jim

MyZ4U2C · 05-26-2012, 11:10 PM

This is great news!

Vichtz · 05-26-2012, 11:25 PM

So this will remedy this problem? good news sans $500

JAYNO20 · 05-27-2012, 01:23 AM

As stupid as it sounds... what negative comes from disabling this? I mean, what does the steering lock really do, aside from lock the steering column...

pwrhsms · 05-27-2012, 02:13 AM

Quote:

Originally Posted by GaleForce

Here is the schematic. One thing to note, the power to the S/L relay coil also feeds the Throttle Control Motor relay coil which then goes to the ECM as wire #70.
[/IMG]

Quote:

Originally Posted by wheee!

I don't see where the Throttle Control is fed by the SL relay. The schematic does not show the wires as connected to each other, merely passing by. A black dot indicates a connection. They both receive power from the same wire, but that is before the fuses....

Whee! and friends, GaleForce is correct. The "COIL" does receive power through CB#48.
The Throttle Motor Control Relay as a whole does not receive its sole power from CB#48 but also from CB#51 but the coil does receive its power from CB#48.

I am unsure what the coil is there for but when you remove CB #48 you will remove power to the coil of the Throttle Motor Control Relay. Attached is a thumbnail with circles for that little black dot AND arrows for tracing the circuit to the ECM for everyones viewing pleasure.

I AM NOT SAYING THIS DOESN'T WORK. I am just saying that GaleForce IS right and we don't know what signal the COIL provides at the ECM for both the Steering lock and the Throttle Control.

Baer383 · 05-27-2012, 08:10 AM

Quote:

Originally Posted by pwrhsms

Whee! and friends, GaleForce is correct. The "COIL" does receive power through CB#48.
The Throttle Motor Control Relay as a whole does not receive its sole power from CB#48 but also from CB#51 but the coil does receive its power from CB#48.

I am unsure what the coil is there for but when you remove CB #48 you will remove power to the coil of the Throttle Motor Control Relay. Attached is a thumbnail with circles for that little black dot AND arrows for tracing the circuit to the ECM for everyones viewing pleasure.

I AM NOT SAYING THIS DOESN'T WORK. I am just saying that GaleForce IS right and we don't know what signal the COIL provides at the ECM for both the Steering lock and the Throttle Control.

You are wrong too please learn how to read a wiring schematic.

Baer383 · 05-27-2012, 08:14 AM

Quote:

Originally Posted by wheee!

Hmmmm, feeling a little stupid here......

I tried removing the fuse box beside the battery, but after removing the battery cover, rain guard moulding, windshield glass/wiper molding, and attempting to lift the IPDM ER fuse box, I finally gave up! I couldn't lift the box high enough to either open it or disconnect the harness to it from below. Do I have to remove the battery first???

There is a tab that you push and the whole box comes out with the wiring harness attached then you can take the cover off and you should see the fuses.

Ubetit · 05-27-2012, 08:56 AM

Quote:

Originally Posted by pwrhsms

Whee! and friends, GaleForce is correct. The "COIL" does receive power through CB#48.
The Throttle Motor Control Relay as a whole does not receive its sole power from CB#48 but also from CB#51 but the coil does receive its power from CB#48.

I am unsure what the coil is there for but when you remove CB #48 you will remove power to the coil of the Throttle Motor Control Relay. Attached is a thumbnail with circles for that little black dot AND arrows for tracing the circuit to the ECM for everyones viewing pleasure.

I AM NOT SAYING THIS DOESN'T WORK. I am just saying that GaleForce IS right and we don't know what signal the COIL provides at the ECM for both the Steering lock and the Throttle Control.

Your diagram is incorrect. The only connection between the SLR and TCMR is an 80A fuse that feeds the 4 fuses. It is the ECM relay that has a relationship with the TCMR.

Confirmed by this schematic from the other thread. (Image credit to GaleForce)

Baer383 · 05-27-2012, 09:06 AM

You want to know what is funny is I work on cars for a living and know how to read a wiring diagram ,I wonder how many people that are looking at this truly know what they are reading.

No not you Ubetit.

cptspeed · 05-27-2012, 12:41 PM

I work on elevator controls for a living and these diagrams are truly elementary. Thanks for the find, i will be pulling the fuse today.

Baer383 · 05-27-2012, 12:58 PM

Quote:

Originally Posted by cptspeed

I work on elevator controls for a living and these diagrams are truly elementary. Thanks for the find, i will be pulling the fuse today.

Your welcome

And thank you for reading the diagrams properly.

05-26-2012, 10:17 PM	#35 (permalink)
wheee! A True Z Fanatic Join Date: Sep 2009 Location: Mod Capital of Canada Age: 57 Posts: 7,354 Drives: cars. lots of cars. Rep Power: 40182	There are lots of threads on this, and you having an 09 should be very aware of this issue. Sometimes the steering locks fail and leave you stranded. Very hard to fix if it fails in the locked position, needs new parts from the dealer. Not great. Disabling the lock prevents the issue from occurring. DIY: Replace dreaded steering-lock on 2009s and early 2010s. Those of you who have had Steering Lock Failure She's Dead, Jim __________________ H&R / Stillen / Berk / HKS / Swift / Michelin / UpRev / SPC / Amuse Rep / Seibon / Fringe XVO / TWM / more... My Journal Last edited by wheee!; 05-26-2012 at 10:21 PM.

05-27-2012, 01:23 AM	#38 (permalink)
JAYNO20 Track Member Join Date: Mar 2012 Location: Pittsburgh, PA Posts: 802 Drives: 2010 370Z Nismo Rep Power: 14	As stupid as it sounds... what negative comes from disabling this? I mean, what does the steering lock really do, aside from lock the steering column... __________________ 2010 Solid Red NISMO #0334 - SOLD 2014 Red Hot Camaro ZL1

05-27-2012, 09:06 AM	#43 (permalink)
Baer383 A True Z Fanatic Join Date: Aug 2010 Location: Lawrenceville,Ga Posts: 4,293 Drives: My foot up your azz Rep Power: 30	You want to know what is funny is I work on cars for a living and know how to read a wiring diagram ,I wonder how many people that are looking at this truly know what they are reading. No not you Ubetit. TreeSemdyZee likes this. __________________ 2013 ZL1 754 rwhp 747 rwtq Last edited by Baer383; 05-27-2012 at 09:21 AM.

05-27-2012, 12:41 PM	#44 (permalink)
cptspeed Track Member Join Date: Jul 2009 Location: tampa Posts: 799 Drives: 09 370z Rep Power: 17	I work on elevator controls for a living and these diagrams are truly elementary. Thanks for the find, i will be pulling the fuse today. __________________ FI CBE, 20" forged specialties rims, swift springs, boston subs, kicker amp, focal components

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05-26-2012, 08:24 PM	#31 (permalink)
Ubetit Track Member Join Date: May 2012 Location: Ohio Posts: 527 Drives: the women lazy Rep Power: 14	Steering Lock: cut one wire. /switch optional This shows things a little differently. One Leg to the lock, one leg to the CPU but not by the way of the TPRM

05-26-2012, 10:10 PM	#34 (permalink)
Vichtz Track Member Join Date: May 2012 Location: Unknown Posts: 538 Drives: PG 09 Nissan 370z Rep Power: 14	I'm new to this platform so I gotta ask, why are we fixing the steering lock?

05-26-2012, 11:10 PM	#36 (permalink)
MyZ4U2C Enthusiast Member Join Date: Mar 2011 Location: Salt Lake City Posts: 448 Drives: 40th Z #51, 15 FozXT Rep Power: 554	This is great news!

05-26-2012, 11:25 PM	#37 (permalink)
Vichtz Track Member Join Date: May 2012 Location: Unknown Posts: 538 Drives: PG 09 Nissan 370z Rep Power: 14	So this will remedy this problem? good news sans $500