echo 255 > /sys/kernel/debug/tegra_fan/target_pwm (L4T Old version)
Or
echo 255 >/sys/devices/pwm-fan/target_pwm
Or
echo 255 > /sys/devices/platform/pwm-fan/hwmon/hwmon1/device/hwmon/hwmon1/pwm1 (Jetpack5.*)
Run command:
head -n 1 /etc/nv_tegra_release
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