20
933.HONDA9 2.03.195.3 2018 Acura ILX (Smart Key)
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Module Connects To
Conn./Pin Color Description Wire Location (+/-) Wire Color Connection
H3/4 White/Brown Relay N.C. (+) Accessory Interrupt 1 (connector
side)
No Connection
H3/5 White Relay COM (+) Accessory Output Keyless Access Control Unit right of steering column, gray 36
pin plug, pin 16
+ Gray
Remote Start
Only
H3/6 Red (+) 12 Volt Input Keyless Access Control Unit right of steering column, gray 36
pin plug, pin 18
+ Green (10A)
Mandatory
H3/7 Lt. Green/Red Relay N.O. (+) 12 Volt Input Keyless Access Control Unit right of steering column, gray 36
pin plug, pin 18
+ Green (10A)
Remote Start
Only
H3/8 Lt. Green Relay COM (+) Ignition Output/Interrupt
(vehicle side)
Keyless Access Control Unit right of steering column, gray 36
pin plug, pin 17
+ White
Mandatory
H3/9 Lt. Green/White Relay N.C. Ignition Interrupt (conn. side) Keyless Access Control Unit right of steering column, gray 36
pin plug, pin 17
Required for installations with vehicle takeover ONLY.
+ White
Remote Start
Only
H3/10 Black (-) Ground (chassis ground)
Mandatory
H3/11 White Relay COM (+) Accessory Output Keyless Access Control Unit right of steering column, gray 36
pin plug, pin 16
+ Gray
Remote Start
Only
H3/12 Red (+) 12 Volt Input Keyless Access Control Unit right of steering column, gray 36
pin plug, pin 18
+ Green (10A)
Mandatory
Relay harness, 10-pin white connector (H4)
Module Connects To
Conn./Pin Color Description Wire Location (+/-) Wire Color Connection
H4/1 N/A No Connection No Connection
H4/2 Red/Black (+) 12 Volt Input No Connection
H4/3 Pink/Black Flex Relay (pin 87a) No Connection
H4/4 Pink/White (+) Flex Relay Output No Connection
H4/5 Red (+) 12 Volt Input No Connection
H4/6 Green Starter Input (conn. side) No Connection
H4/7 Violet (+) Starter Output (vehicle side) No Connection
H4/8 Orange (+) Accessory Output No Connection
H4/9 Red/White (+) 12 Volt Input No Connection
H4/10 Pink (+) Ignition Input/Output No Connection
RF Port harness, 2-pin white connector (H5)
Module
Conn./Pin Color Description
H5/1 N/A RF Loop
H5/2 N/A RF Loop