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How to test brake pad sensors?

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7 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

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YOUR RESEARCHHow to test brake pad sensors?

Leading reported evidence

Replace just

Performed · outcome unconfirmed

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Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that performed work without a confirmed outcome
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Performed · outcome unconfirmed

I had it changed just because I track the the car and didn't want to take chances.

Original post Read captured discussion
How to test brake pad sensors?
Frequently discussed work

Clean calipers etc

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Unsuccessful attempt · Original poster

PS: I cleaned the calipers etc. and there was no change.

Original post Read captured discussion
How to test brake pad sensors?
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Leading evidence: 'Replace just' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Clean calipers etc' (1 discussions). For that action, 0 discussions report a resolution and 1 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.

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Reset with the engine off, the come

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Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that contain suggestions
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0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

It wuld reset with the engine off, the come on again at the next HARD braking.

Original post Read captured discussion
How to test brake pad sensors?

Set on ohms

Suggestion or failed attempt

No successful repair reported for this finding.

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Reported fixes
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Discussions
Read evidence and context

Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

If you don't see that then you can test them with a volt meter set on ohms-

Original post Read captured discussion
How to test brake pad sensors?

Test with a ohm meter or the like and see

Suggestion or failed attempt

No successful repair reported for this finding.

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Reported fixes
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1
Discussions
Read evidence and context

Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion · Original poster

Is there a way to test with a OHM meter or the like and see which sensor is bad?

Original post Read captured discussion
How to test brake pad sensors?

Clean calipers etc

Suggestion or failed attempt

No successful repair reported for this finding.

0
Reported fixes
1
Unsuccessful attempts
1
Discussions
Read evidence and context

Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that report an unsuccessful attempt
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Unsuccessful attempt · Original poster

PS: I cleaned the calipers etc. and there was no change.

Original post Read captured discussion
How to test brake pad sensors?
Frequently discussed actions (5)

These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.

Clean calipers etc

No successful repair reported for this finding.

0
Reported fixes
1
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that report an unsuccessful attempt
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Unsuccessful attempt · Original poster

PS: I cleaned the calipers etc. and there was no change.

Original post Read captured discussion
How to test brake pad sensors?

Replace just

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that performed work without a confirmed outcome
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed

I had it changed just because I track the the car and didn't want to take chances.

Original post Read captured discussion
How to test brake pad sensors?

Reset with the engine off, the come

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

It wuld reset with the engine off, the come on again at the next HARD braking.

Original post Read captured discussion
How to test brake pad sensors?

Set on ohms

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

If you don't see that then you can test them with a volt meter set on ohms-

Original post Read captured discussion
How to test brake pad sensors?

Test with a ohm meter or the like and see

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion · Original poster

Is there a way to test with a OHM meter or the like and see which sensor is bad?

Original post Read captured discussion
How to test brake pad sensors?
Coverage and how to read this overview

Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.

7 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.

  • Rennlist: 1 discussions

0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.

0 acknowledgements have no verified action link; they do not establish a repair result.

Generation: 20261026T152433Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

All: I have new pads and roters on the C2. The dealer that sold me the car did this. Was abou 1k miles ago. While at the track yesterday the Brake Wear light came on. I checked and the pads are still plenty thick. Is there a way to test with a OHM meter or the like and see which sensor is bad? Thanks. PS: I cleaned the calipers etc. and there was no change.

POST 4Original post

When my brake wear indicator lights started to come on, they would initially just come on while braking hard at the track. It wuld reset with the engine off, the come on again at the next HARD braking. It took several hundred more miles before it would come on with the first braking event regardless of how hard. Funny thing, the service rep said I still had several hundred miles left on the brakes, and it did look fair. I had it changed just because I track the the car and didn't want to take chances. Although the old pads still looked fair, I was surprised to see how thick the new pads were compared to the old. Bottom line, I think the sensors are somewhat too sensitive.

POST 5Original post

well they are easy enough to pop out assuming you don't mind taking off a tire. When you pull them ouf, they will be trigered when the insulator is torn and the wire begins to fray. If you don't see that then you can test them with a volt meter set on ohms-

POST 6Original post

There is a short in the sensor harness somewhere, It is likely a sensor wire pinched in the keeper at the back of one of the calipers. The sensor wires plug into a connedtor at the back of the hubs. Dissconnect each, one at a time until the light goes out. (cycle ignition between tests) you have then found the offending unit. They are cheap to replace.

POST 7Original post

I would do it like Gretch says. The 'sensor' is just a loop of wire. Once you found which one you can verify it with an ohm meter at the connector.

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