Hyundai Santa Fe: Smart Key System / Smart Key Unit. Components and components location

Hyundai Santa Fe (TM) 2019-2025 Service Manual / Body Electrical System / Smart Key System / Smart Key Unit. Components and components location

Components (1)

Connector Pin Information

No	Connector A	Connector B	Connector C
1	Fuel door release switch_input	GND_ECU	Front wiper relay (Low)_output
2	Fuel door open switch_input	PDW-F power_output	ESCL (+)_output
3	GND_Power	ESCL (-)_output	Start relay_output
4	PDW-R_Power_Output	Front wiper high relay_output	IGN1 relay_output
5	EMS ECU wake up_output	PDW-R switch IND_output	Immobilizer antenna power_output
6	Rear washer switch_input	P-Position_input	Immobilizer antenna ground_output
7	LIN4 (Rear seat remind)	-	-
8	P_CAN (Low)	Rear view switch_input	Driver outside handle antenna(+)_output
9	P_CAN (High)	-	Interior1 antenna (+)_output
10	-	Wheel speed sensor_input	Front bumper antenna (+)_output
11	B_CAN (Low)	-	Tailgate3 antenna(+)
12	B_CAN (High)	3rd line sheet belt indicator RH_output	-
13	SSB switch_input	-	Passenger outside handle antenna(+)_output
14	Driver handle antenna switch_input	Rear center seat belt indicator_output	Immobilizer K-Line
15	P-Position_input (PWM)	Fuel door open relay_output	Bumper antenna (+)_output
15	-	Fuel door open relay_output	Bumper antenna (+)_output
16	Fog switch_input	-	Interior antenna2(+)_output
17	Light switch_input	Auto light sensor signal_input	IGN2_input
18	Front wiper INT volume switch_input	Auto light sensor power_output	IGN1_input
19	Multifunction switch_input	ATM solenoid_output	IGN2 relay_output
20	Assist mirror unfolding switch_oupout	Puddle pocket lamp_output	Battery_power
21	Assist mirror (Horizontal)_output	-	Brake switch_input
22	Front washer switch_input	SSB ring illumination_output	Start feedback_input
23	Front wiper low switch_Input	piezo buzzer_output	-
24	LIN1 (PDW)	SSB symbol illumination_output	Driver outside handle antenna (-)_output
25	LIN2 (Safety ECU)	Fuel door close relay_output	Interior1 (-)_output
26	LIN3 (Rain sensor)	Wiper power relay_output	Front bumper antenna (-)_output
27	PDW-R power_input	Rear seat belt indicator RH_output	Passenger outside handle antenna (-)_output
28	PDW_input	Rear seat belt indicator LH_output	ESCL COM
29	SSB switch1_input	3rd line sheet belt indicator LH_output	Tailgate3 antenna(-)
30	ESCL unlock_input	Rear wiper relay_output	ESCL Enable_output
31	Passenger outside handle switch_input	Auto light sensor ground_output	Bumper antenna (-)_output
32	PDW switch_input	Wiper parking switch_input	Interior antenna2 (-)_output
33	Sun roof Status_input		ACC_input
34	Head lamp switch(High)_input		Mirror power_input
35	Front wiper switch_input		ACC relay_output
36	Rear wiper switch_input		Battery (+)_ECU
37	Assist mirror folding _output
38	Assist mirror (Vertical)_output

Smart Key. Repair procedures

Smart Key Smart Key Code Saving 1. Connect the DLC cable of diagnostic tool to the data link connector (16 pins) in driver side crash pad lower panel, turn the power on diagnostic tool...

Smart Key Unit. Schematic diagrams

Other information:

Hyundai Santa Fe (TM) 2019-2025 Owner's Manual: Explanation of scheduled maintenance items

Engine oil and filter The engine oil and filter should be changed at the intervals specified in the maintenance schedule. If the vehicle is being driven in severe conditions, more frequent oil and filter changes are required. Drive belts Inspect all drive belts for evidence of cuts, cracks, excessive wear or oil saturation and replace if necessary...

Hyundai Santa Fe (TM) 2019-2025 Service Manual: SRS Control Module (SRSCM). Description and operation

Description The primary purpose of the SRSCM (Supplemental Restraints System Control Module) is to discriminate between an event that warrants restraint system deployment and an event that does not. The SRSCM must decide whether to deploy the restraint system or not...