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TPMS

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26 Mar 2026 16:39 #264124 by DrRobin
Replied by DrRobin on topic TPMS
The Jimny must have an antenna for the TPMS, but as far as I can tell the TPMS module just has wires coming away from it, so either the antenna is integral to the module or it’s just picked up by one of the wires.

Either way I am going to try the SpoofTPMS near the driver’s footwell next time I have my off-road wheels on.

To be honest, I only have the off-road wheels on for a couple of days at a time and the loss of the display isn’t a problem when in the actual trial.

2020 blue SZ5 (one of the last to be registered in the UK)
Ex 2011 Blue Jimny SZ4
Northumberland Jimny Blog

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26 Mar 2026 20:21 - 26 Mar 2026 20:29 #264127 by mlines
Replied by mlines on topic TPMS
 

 

So I connected my reader to the TPMS module last night. 

It detected the module and could read the values being sent to it by the sensors. 

One of the value it could read was the accelerometers, which matches up with what Suzuki talks about in the manual. 
In the pictures with a blue jagged line curving up and down that is the road speed of the car. 

The other four lines are the accelerometers built into the TPMS sensors.. the pictures show these moving around across a range of values and also moving separately which you would expect. . As it was a local drive they are all over the place , so I don't think it proves things either way but it shows they are reading more than an on/off movement and are also reporting their readings to the TPMS module. I guess I need to get more scientific and record the car going in circles. I probably need to compare the readings with the abs sensor pulses. 

 

 

 

 

Martin

2003 M13 early KAP build.
3" Trailmaster lift with 1.5 Spacers on front
Customised winch bumper and roll cage
235/85R16 Maxxis Bighorns on 16" Rims, 4:1 Rocklobster, Rear ARB locker and on-board air
Corrected arms all-round, rear disks, Recaro seats and harnesses
Last edit: 26 Mar 2026 20:29 by mlines.

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