How do we turn off the SRS light

Tiny
DERMOT
  • 1997 MITSUBISHI CHALLENGER
  • 130,000 MILES

Carried out diagnosis of system, found no faults, no codes. Replaced module; srs light still on, no codes. We are a Holden dealership in Australia using Tech 2 scanner and Hanatech scanner.

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Wednesday, October 5th, 2011 AT 2:56 AM

12 Replies

Tiny
JACOBANDNICKOLAS
  • EXPERT
  • 68,225 POSTS

There has to be a fault in the system. Is the horn working?

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Wednesday, October 5th, 2011 AT 3:08 AM
Tiny
DERMOT
  • MEMBER

The horn is working. Is there a way to turn off the light and we can then see if it comes back on confirming a fault present or if it stays off confirming it was some glitch. With the Colorado (We're a Holden dealer so we work on plenty of these) we have found irregularities can set a warning light with no codes and once reset it stays off.

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Wednesday, October 5th, 2011 AT 4:12 AM
Tiny
JACOBANDNICKOLAS
  • EXPERT
  • 68,225 POSTS

The only thing you can try is to reset it with a scanner. There is no other way.

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Wednesday, October 5th, 2011 AT 4:14 AM
Tiny
DERMOT
  • MEMBER

Thanks for your efforts and especially your quick response. Would you like us to feed back to you the final outcome once we have resolved this and if so, how do we do that?

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Wednesday, October 5th, 2011 AT 4:20 AM
Tiny
JACOBANDNICKOLAS
  • EXPERT
  • 68,225 POSTS

Yes, I would like to know what you find. And I wish I could have been more help. I am going to pass this on to another tech to see if he can add anything additional to help.

Let me know what you find.

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Wednesday, October 5th, 2011 AT 4:32 AM
Tiny
RASMATAZ
  • MEMBER

Try disabling the system and see what happens

To disable system, turn ignition switch to LOCK position. Disconnect negative battery cable. Shield cable end. Wait at least 60 seconds before servicing. To activate system, reconnect negative battery cable.

If it continues rescanned PCM for code/s

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Wednesday, October 5th, 2011 AT 6:39 AM
Tiny
DERMOT
  • MEMBER

G'day guys. Taken us a few days to get back to this one (plus it was a long weekend with Monday a holiday). Followed your disabling instructions. Unfortunately, light is still on and still no codes. Got to ask what you guys would do next because we are asking, to where from here?

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Tuesday, October 11th, 2011 AT 4:32 AM
Tiny
RASMATAZ
  • MEMBER

My last resort is reflash the computer and see what happens

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Tuesday, October 11th, 2011 AT 4:42 AM
Tiny
DERMOT
  • MEMBER

Our Hanatech scanner won't allow us to reflash the computer. We disconnected the front impact sensors and still no codes. Does this lack of codes even after disconnection and forcing an open circuit, suggest anything to you, remembering we have already replaced the module?

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Tuesday, October 11th, 2011 AT 5:20 AM
Tiny
DERMOT
  • MEMBER

G'day Guys. OK. We are reluctantly going to hand this vehicle over to a Mitsubishi dealer. We have downloaded all the latest diagnostic software from Hanatech for our scanner and still it can't pull the codes. We seem to have no choice but send it to Mitsubishi (something we might have done a lot sooner except it is a few hundred kilometres away from us as we are in outback NSW).

Just want to thank you guys for your efforts. Doesn't help when the people you are trying to help don't have diagnostic equipment able to extract codes. We paid very good money for our scanners and it is a bit disappointing to find it can't read something as common as a Mitsubishi; although in fairness, it will read most Mitsubishi, just not this Challenger. Turned out to be a real challenger. One we failed.

Cheers guys

p.S. Not sure if we will get any feedback from Mitsubishi through the customer but if we do, we will let you know what the problem turned out to be.

Take it easy

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Wednesday, October 12th, 2011 AT 5:52 AM
Tiny
RASMATAZ
  • MEMBER

Good luck guys and we'll be looking forward for the final fix, TY

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Wednesday, October 12th, 2011 AT 7:16 AM
Tiny
DERMOT
  • MEMBER

G'day guys. One of those crazy situations. The vehicle came in with the SRS light issue and the client wanted the vehicle serviced and passed for rego as well. We felt we needed to resolve the SRS issue in order for it to pass registration check and we would do the service after that. We got bogged down with the light issue as you know and so we never progressed to the service. Had we, we would have resolved the SRS issue instead of having to send it to Mitsubishi. Mitsubishi found the reverse sensor had collapsed internally (something we would have picked up at the service or rego check stage had we got that far). We didn't want to do the service unless we fixed the issue because there was no point charging the customer for the service if we couldn't pass the vehicle for rego. In this case it didn't pay to be so thoughtful.

Cheers guys and thanks for all your input
dermot@mensa. Org. Au

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Friday, October 28th, 2011 AT 12:17 AM

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