Trunk Release Relay Control: Overview

Trunk Release Relay is ON during T1 when TX Trunk signal received. (NON-SMK)
Trunk Release Relay is ON during T1 when SMK RKE Trunk signal received. (NON-SMK)
Trunk Release Relay is ON during T1 when Trunk Release switch is OFF->ON.
But, ARM, WAIT, ARM, REAR, ALARM mode, the Trunk Release switch input of the output does not.

Fig 1: Trunk Release Relay Control Timing Pattern
Courtesy of HYUNDAI MOTOR CO.

T1: 500 ± 100msec