r-mm

I have the wheels off trying to cure a phantom pad sensor light. Correct behavior is continuity at the pad sensor side of the harness, correct?

in other words jumping the chassis side should simulate a working sensor?

r-mm

I understand the circuit is one long series what I don't understand is if the ground point wired with a ring terminal to the wheel speed sensors is part of this circuit or not. Should I be getting ground at either of the wear sensor chassis terminals?

spartansix

Correct. The sensors are a series loop around the car, so a break at any wheel (or at any point in the harness) will trigger the light.

You should have continuity between Pins 1/10 and 2/10 on the central informer plug (big white plug under the dash on next to the steering column that goes into a silver box)

r-mm

Removing / Cleaning / Reinserting all the sensor connectors cleared this problem. All sensors checked ok for continuity. I looked for shorts to ground on the chasis side and found that the drivers front one terminal is connected directly to the wheel carrier ground - this does not happen on any other sensors. I cleaned that ground reinstalled it (in other words: sensor still connected to ground) and the light is still off. I don't know if I'm reading the wiring diagram right or not but it looks like all four wheels are supposed to be wired the same. A bit perplexed here. But light is off...

Also noted Textar front and Pagid rear pads. Are both more or less OEM type pads or is that a bad match? All had plenty of meat ~8mm.

t-design

The sensors also can be completely removed, and wires just jumped together away from the wheel. Not worrying about sensors makes life much easier if you track your car, or generally diy the maintenance. I removed the censors during first pads change.

Rocket Rob

Correct, you need continuity for all 4 sensors to have the light off. I have zip tied my sensors out of the away but still attached electrically. I don't use the sensors on the pads.

r-mm

Thanks guys. I am still a bit stumped by the ground I found on the drivers front. Any comments on mixing brake pad brands?

this is a street/daily car.

spartansix

Pagid makes a lot of different pads for the 964, at various levels of aggressiveness.
As far as I know, Textar only makes one, which is an OEM/street compound.
Some people do mix brake pads to adjust bias, but I'm not savvy enough for that, I run the same type of pads on all four corners.

r-mm

The rear Pagids are certainly dusty but they have a bunch of life in them so I'm going to roll with it for the time being. Thanks for the help.