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S.O.S. - 1999 G320 No Crank No Start
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Posted 9/5/2018 7:43 PM
IBEX
Member




Date registered: Jan 2015
Location: Gulf Shores AL
Vehicle(s): 1999 MB G320, 1999 MB E300TD
Posts: 43
25
S.O.S. - 1999 G320 No Crank No Start

Hello,

No Crank No Start - 1999 G320, V6 M112.945 Engine, 722.610 Automatic Transmission
The STAR gave me a fault message "Component Y3/6s1 (Starter lockout contact) or component Y3/6b1 (Transmission oil temperature sensor) is sporadically faulty or both".
Both located on the Conductor Plate which is inside of the transmission.
And a second Fault code was C1011 - "Power Supply A7/3 (Traction system hydraulic unit)".
What was done so far;
1. Drained Transmission Fluid
2. Cleaned the Valve Body
3. Replaced Conductor Plate (the part # of the new CP is different - WAS - 1402700069, NEW - 1402701161 which is a big concern... and I will appreciate any input about it...)
4. Put everything back together
5. Replaced Transmission 13-Pin Connector Adapter Plug
6. Cleaned all electrical contacts
7. Refilled Transmission with the new Transmission Fluid
8. Checked ETC (Electronic Transmission Control Unit) for oil in it - Everything is dry and clean
9. Erased Stored Fault Codes
10. Tried to Start the Engine - NO Luck - No Crank No Start
11. Checked Fault Messages again - Absolutely Nothing - Everything is OK - NO Fault Codes

I am very frustrated and don't know what is causing this issue and what should I do to fix it.
I have found many online discussions about similar problem, but no one describes the solution, how it was fixed...
#239785
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Author
Posted 9/11/2018 4:55 AM
Container
Veteran




Date registered: Jul 2006
Location: Sweden
Vehicle(s): 1998 G500L, 1994 E36 AMG Coupé, 2007 E500T 4-matic
Posts: 114
100
Re: S.O.S. - 1999 G320 No Crank No Start

Make a search for K40 relay, it gives no crank if a couple of solderings are bad...
#239805 - in reply to #239785
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Author
Posted 10/9/2018 12:18 AM
PUCH G.
Member


Date registered: Mar 2015
Location: Portland, OR. USA
Vehicle(s): 1998 Puch G320 LWB
Posts: 7

Re: S.O.S. - 1999 G320 No Crank No Start

Obvious question, is the transmission in park? Will it turn over and start with transmission lever in Neutral?
#239901 - in reply to #239785
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Author
Posted 10/9/2018 1:46 AM
Otiswesty
Administrator




Date registered: Jun 2007
Location: Portland, Oregon
Vehicle(s): 463.241, 461.213
Posts: 3004
2000
Re: S.O.S. - 1999 G320 No Crank No Start

Did you try to start the car with the shifter in N

I had problems with the shifter contacts
#239902 - in reply to #239785
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