Using ConsultSpy to monitor the TPS idle soft-switch self learn and hard-switch failsafe operation.
setup:
Z32 ECU with Nistune FP1, TPS sensor is adjusted to 0.4v
0:05 - hard switch unplugged, no effect to IDLE condition
0:13 - turn TPS to disengage idle soft-switch, IDLE turns OFF
0:24 - turn TPS back to self-learn idle position of 0.4v, IDLE turns ON
0:24 - 0:35 turning TPS below 0.4v, ECU is re-adjusting the TPS self-learn
0:35 - TPS turned below 0.04, producing a TPS out-of-range error, hard-switch is now active
![](https://i.ytimg.com/vi/ikzC2lues1Q/mqdefault.jpg)