IPD sale XeMODeX - Experts in Volvo Electronics
Did you know? 🤔
Logged in users can get email notification of topic replies Log in or register (free).
Amazon Link Buy anything with this and it helps MVS!

No start issue still.

Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

User avatar
subzerocarfanatic
Posts: 256
Joined: Sat Oct 19, 2019 6:41 pm
Year and Model: 2000 Volvo C70 HT
Location: NM
Has thanked: 22 times
Been thanked: 4 times
United States of America
subzerocarfanatic

No start issue still.

Post by subzerocarfanatic » Wed Jun 03, 2020 10:46 pm

I finally got the NOCO G3500 battery charger/maintainer for AGM batteries, it was under charged when it arrived by a bit,it is fully charged now and so is the interstate battery i had been using,it will be my test battery for working on the car.
I tried using a test light to find my short to ground problem if i had one, Vida Dice still will not communicate with the ETM nor the ECM, I tried running other test,it said the battery voltage was 10.59 but by meter is was 1260, that was before i done a slow trickle charge on the new AGM battery I just bought.I cliped one end of test light to positive battery cable, which is not connected to positive battery post, then the test light tip on battery positive post, the light should not be lighting up unless i'm missing something, I pulled all the fuses and relays in the main fuse box to try and find what is causing my issue but after going through them all the light remained on the entire time. I am doing my best to look through the wiring diagrams i have found online,it's a task for me.

yanga001
Posts: 42
Joined: Sun Mar 24, 2019 3:25 pm
Year and Model: 1998 v70 N/A
Location: Ontario
Has thanked: 12 times
Been thanked: 5 times
Canada
yanga001

Re: No start issue still.

Post by yanga001 » Thu Jun 04, 2020 11:59 am

The low voltage meter might indicate the undercharged battery is just gone. I had a similar issue where a battery lost all its capacity even though it could maintain a charge and hold 12.6 Volts. I verified this by metering it while running a small 12 V inverter. The voltage drastically dropped to around 10 volts. Does the car crank or click when you turn the key? Also, pm'd you full diagrams.
1998 S70 N/A Auto (Parts car)
1998 V70 N/A Auto
1998 V70 N/A Auto (Workhorse) (Tree to driver B pillar :( )
1999 S70 T5 Auto(Project)

User avatar
subzerocarfanatic
Posts: 256
Joined: Sat Oct 19, 2019 6:41 pm
Year and Model: 2000 Volvo C70 HT
Location: NM
Has thanked: 22 times
Been thanked: 4 times
United States of America
subzerocarfanatic

Re: No start issue still.

Post by subzerocarfanatic » Thu Jun 04, 2020 12:15 pm

I have a brand new battery I just bought,still does the same.

yanga001
Posts: 42
Joined: Sun Mar 24, 2019 3:25 pm
Year and Model: 1998 v70 N/A
Location: Ontario
Has thanked: 12 times
Been thanked: 5 times
Canada
yanga001

Re: No start issue still.

Post by yanga001 » Thu Jun 04, 2020 12:22 pm

subzerocarfanatic wrote:
Wed Jun 03, 2020 10:46 pm
I cliped one end of test light to positive battery cable, which is not connected to positive battery post, then the test light tip on battery positive post, the light should not be lighting up unless i'm missing something,
Was the negative post connected? You would still be completing a circuit in that case and the light would come up. If its like an incandescent light then polarity would not mater hence it would still come up. If you have a meter with a continuity test then maybe try that. Start close to the source and work your way down eliminating components.
1998 S70 N/A Auto (Parts car)
1998 V70 N/A Auto
1998 V70 N/A Auto (Workhorse) (Tree to driver B pillar :( )
1999 S70 T5 Auto(Project)

User avatar
kranz
Posts: 237
Joined: Sat Jul 08, 2006 3:24 am
Year and Model: '98 V70 NA stick
Location: Atlanta
Has thanked: 0
Been thanked: 4 times
United States of America
kranz

Re: No start issue still.

Post by kranz » Wed Jun 10, 2020 8:56 am

subzerocarfanatic wrote:
Thu Jun 04, 2020 12:15 pm
I have a brand new battery I just bought,still does the same.
Subzero, please PM me.

kranz
Les is more.

User avatar
abscate
MVS Moderator
Posts: 21466
Joined: Sun Feb 17, 2013 5:54 pm
Year and Model: 99T5 ,99S70,2005V70
Location: NYC, ALBANY NY
Has thanked: 333 times
Been thanked: 1035 times
Trinidad & Tobago
abscate

Re: No start issue still.

Post by abscate » Wed Jun 10, 2020 1:12 pm

You can't use old school techniques on new cars.

A Volvo can take 30 minutes to go to rest state, and even then, you have battery and ECU memory drawing current, and thus lighting up your positive terminal series test light.
Empty Nester
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 BMW
Link to Maintenance record thread
Link To Volvo Glossary

User avatar
subzerocarfanatic
Posts: 256
Joined: Sat Oct 19, 2019 6:41 pm
Year and Model: 2000 Volvo C70 HT
Location: NM
Has thanked: 22 times
Been thanked: 4 times
United States of America
subzerocarfanatic

Re: No start issue still.

Post by subzerocarfanatic » Wed Jun 10, 2020 1:49 pm

abscate wrote:
Wed Jun 10, 2020 1:12 pm
You can't use old school techniques on new cars.

A Volvo can take 30 minutes to go to rest state, and even then, you have battery and ECU memory drawing current, and thus lighting up your positive terminal series test light.
I have started going through wiring harness again, unplugged the ETM and removed it, i plugged it back in while it was out of the car and it starts now, weird.

scot850
Posts: 6050
Joined: Mon Apr 05, 2010 2:46 pm
Year and Model: 2000 V70 R
Location: Calgary, Alberta, Canada
Has thanked: 12 times
Been thanked: 230 times
Canada
scot850

Re: No start issue still.

Post by scot850 » Wed Jun 10, 2020 4:03 pm

Sometime there is a build up of oxidisation on the contacts of the ECM and TCM. I had a similar issue with a TCM and after being removed and re-seated after a clean using Wurth contact cleaner (that is what local dealer uses), issue disappeared.

Hopefully that is all it was with your car too.

Well done,

Neil.
2000 V70 R - still being an endless PITA
2006 XC70
2003 Toyota 4Runner V8 Limited
2015 Kia Sportage EX-L
1993 850 GLT -Sold
1998 V70 XC - Sold
1997 Volvo 850 SE NA - Went to niece in California - Sold
2000 V70 SE NA - New project and test bed - Sold

Post Reply
  • Similar Topics
    Replies
    Views
    Last post