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Old 04-19-2012   #1
Z51JEFF
 
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Default SYS light flashing.

I get this flashing at times but not constant.I checked for codes but none at present.Its been awhile since Ive used the A-B terminal trick but checked for codes and got a 12 which If I remember correctly is normal.Any clues?
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Old 04-19-2012   #2
tf95ZR1
 
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Default Re: SYS light flashing.

Battery or connections.
I'm no expert, but this is what SYS has been
for me EVERY TIME.

Last edited by tf95ZR1; 04-19-2012 at 01:54 AM. Reason: Wanted 2
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Old 04-19-2012   #3
GOLDCYLON
 
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Default Re: SYS light flashing.

Battery or alternator. My best guess is battery
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91 WHITE/BLACK #2014. 380 P&P&PCed,Ported Heads, Jeal Long tubes, Corsa Exhaust/FIKSE FM-5s /LED TLs, LED Headlights, Front Wilwood 6 piston narrowlite calipers and rear Wilwood caliper street shop mod,CNCed Coolant Pipes,TPI Cvr,Filter cover,Stainless Bolts, DRM/DOM PROM /ZFDOC mod build #102,DRLs,BMAD with stainless Debris Screen,Coplan Air Blaster, Pioneer APP Radio 4,Brey-Krause HB,Sub Bar,Fire extinguisher seat mount,DRM Coilovers,LEDs everywhere,Compass mirror (orange),V1 DIC hidden display, Homelink sun visor, Carbon Fiber top x3 and APSIS Carbon Fiber interior, APSIS CF Steering Wheel/NAPA Leather, Banski trailing arms, Guldstrand front suspension,urethane bushings from Prothane (total suspension) ZFDoc drive shaft safety loop, raptor shift light (orange),AO engineering louver front plate, Console seat cushion, 96CE seats with black custom Sheepskins, ss billet catch can,Viper remote entry/alarm,Cragar Rear Louvers,LED side louver lights, Dewitts Radiator with SPAL fans and a Woods 160 T-Stat

90 RED/BLACK #2794. 4L60e Automatic Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless Headers, Corsa Exhaust, SAN Secondaries and Haibeck PROM, Exotic Muscle Coil overs, LED Interior Lights, LED Tail Lights, LED Headlights, 94 Sport seats with black custom Sheepskins , Cragar rear louvers, GS Front calipers, Banski Trailing arms, APSIS Carbon Fiber steering wheel, Front and Rear Baer Eradispeeds, DRLs, Guldstrand front suspension,urethane bushings from Prothane (total suspension), Dewitt's Raditor with Dual SPAL fans and a Haibeck 170 T-Stat

11 RED/GREY CTS-V
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Old 04-19-2012   #4
scottfab
 
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Default Re: SYS light flashing.

Yup, battery. Mine did this both time before replacing it
twice in the last 15yrs.
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Old 04-19-2012   #5
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Default Re: SYS light flashing.

A-B only displays ECM codes. SYS flashes when the CCM has a code stored.
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Old 04-19-2012   #6
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Default Re: SYS light flashing.

Jump A to G to display CCM codes.
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Old 04-19-2012   #7
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Default Re: SYS light flashing.

Quote:
Originally Posted by VetteMed View Post
Jump A to G to display CCM codes.
On a 90 you can get at the ECM codes from the CCM entery.
After in the CCM diag mode press TRIP RESET a few times till
you see 4.0. Then Press TRIP ODD a few times till 4.7 is displayed.
Press ENG/MET and hold till "---" is displayed.
You're there.
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Old 04-20-2012   #8
GOLDCYLON
 
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Default Re: SYS light flashing.

Any update Jeff ?
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GOLDCYLON - 90 ZR-1 #2794, 4L60e (Formerly Schrade's)

GOLDCYLON - 11 CTS-V


Arizona State Director




91 WHITE/BLACK #2014. 380 P&P&PCed,Ported Heads, Jeal Long tubes, Corsa Exhaust/FIKSE FM-5s /LED TLs, LED Headlights, Front Wilwood 6 piston narrowlite calipers and rear Wilwood caliper street shop mod,CNCed Coolant Pipes,TPI Cvr,Filter cover,Stainless Bolts, DRM/DOM PROM /ZFDOC mod build #102,DRLs,BMAD with stainless Debris Screen,Coplan Air Blaster, Pioneer APP Radio 4,Brey-Krause HB,Sub Bar,Fire extinguisher seat mount,DRM Coilovers,LEDs everywhere,Compass mirror (orange),V1 DIC hidden display, Homelink sun visor, Carbon Fiber top x3 and APSIS Carbon Fiber interior, APSIS CF Steering Wheel/NAPA Leather, Banski trailing arms, Guldstrand front suspension,urethane bushings from Prothane (total suspension) ZFDoc drive shaft safety loop, raptor shift light (orange),AO engineering louver front plate, Console seat cushion, 96CE seats with black custom Sheepskins, ss billet catch can,Viper remote entry/alarm,Cragar Rear Louvers,LED side louver lights, Dewitts Radiator with SPAL fans and a Woods 160 T-Stat

90 RED/BLACK #2794. 4L60e Automatic Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless Headers, Corsa Exhaust, SAN Secondaries and Haibeck PROM, Exotic Muscle Coil overs, LED Interior Lights, LED Tail Lights, LED Headlights, 94 Sport seats with black custom Sheepskins , Cragar rear louvers, GS Front calipers, Banski Trailing arms, APSIS Carbon Fiber steering wheel, Front and Rear Baer Eradispeeds, DRLs, Guldstrand front suspension,urethane bushings from Prothane (total suspension), Dewitt's Raditor with Dual SPAL fans and a Haibeck 170 T-Stat

11 RED/GREY CTS-V
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Old 04-20-2012   #9
Z51JEFF
 
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Default Re: SYS light flashing.

Quote:
Originally Posted by GOLDCYLON View Post
Any update Jeff ?
Thanks for all the info guys.I put the charger on the battery for awhile,hope its not a loose cable at the starterIf it persists Im going to do some digging and see what it is by doing the paper clip trick and the process with the buttons on the dash.Thanks again everybody for the info.
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Old 04-24-2012   #10
Z51JEFF
 
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Default Re: SYS light flashing.

Quote:
Originally Posted by scottfab View Post
On a 90 you can get at the ECM codes from the CCM entery.
After in the CCM diag mode press TRIP RESET a few times till
you see 4.0. Then Press TRIP ODD a few times till 4.7 is displayed.
Press ENG/MET and hold till "---" is displayed.
You're there.
I got into the CCM and I get the ---,if there are no codes stored is this all I will see or is there another step I need to pull the codes?Im still getting the SYS flashing a few times when driving.
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