Comments by "Mikko Rantalainen" (@MikkoRantalainen) on "4x4 / AWD slip tests on rollers channel" channel.

Great testing! It's surprising that ESP system doesn't brake the slipping rear wheel when only one rear wheel has traction. The hardware on the car should be easily able to brake the slipping rear wheel only and force the rear diff to output power to the only wheel with traction! You could have also tred the old offroader trick to apply light braking while applying throttle: that will make the slipping rear wheel harder to rotate and (depending on differential implementation) can transfer the missing power to the non-slipping wheel.
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@4x4.tests.on.rollers Thanks for the information. I missed the fact that the electric rear axle is only for hybrid version.
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@4x4.tests.on.rollers At least VW cars allow pressing brake and accelerator at the same time if you apply the brake first. If you have any accelerator input and then touch the brake the accelerator input is ignored. And I think recent RAV4 models do not have haldex 4WD system but electric motor driving the real axle directly, but I might have misunderstood something.
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