Trunk Release Relay Control: Overview

If TXTrunk is received, C_TGReleaseRly is ON for T1. (Non-SMK)
If C_SMKRKECMD Trunk signal is received, C_TGReleaseRly is ON for T1. (SMK)
Trunk control by TGReleaseRly SW is mechanical operation.

Fig 1: Trunk Release Relay Control ON/OFF Cycle Pattern
Courtesy of HYUNDAI MOTOR AMERICA

T1: 500 ± 100msec