Hyundai Santa Fe: Engine Control System / Engine Control Module (ECM). Schematic diagrams

Hyundai Santa Fe (TM) 2019-2024 Service Manual / Engine Control/Fuel System / Engine Control System / Engine Control Module (ECM). Schematic diagrams

ECM Terminal and Input/Output signal

ECM Terminal Function
Connector A
Pin No
Description
Connected to
1
 Power ground
 Chassis Ground
2
 -
 -
3
 -
 -
4
 -
 -
5
 -
 -
6
 Fuel Sender Signal
 Fuel Sender
7
 -
 -
8
 -
 -
9
 -
 -
10
 -
 -
11
 -
 -
12
 -
 -
13
 -
 -
14
 -
 -
15
 Stop Lamp Signal
 Stop Lamp
16
 Brake Test Switch
 Brake Switch
17

18
 -
19
 -
20
 Output Speed (Supply)
 ATM Solenoid Valve (Otput Speed)
21
 Input Speed (Supply)
 ATM Solenoid Valve (Input Speed)
22
 -
 -
23
 -
 -
24
 -
 -
25
 -
 -
26
 -
 -
27
 [A/T] SOL. (PWR1)
 ATM Solenoid Valve
28
 -
 -
29
 -
 -
30
 -
 -
31
 -
 -
-
 -
32
 -
 -
33
 -
 -
34
 -
 -
35
 -
 -
36
 -
 -
37
 -
 -
38
 APT (Signal)
 A/C Pressure Transducer (APT)
39
 -
 -
40
 -
 -
41
 -
 -
42
 -
 -
43
 [A/T] Output Speed (Signal)
 Engine Control Relay
44
 [A/T] Input Speed (Signal)
 ATM Solenoid Valve
45
 -
 -
46
 -
 -
47
 -
 -
48
 [A/T] SOL. (VFS_26B)
 ATM Solenoid Valve
49
 [A/T] SOL. (VFS_OD)
 ATM Solenoid Valve
50
 [A/T] SOL. (VFS_PWR2)
 ATM Solenoid Valve
51
 -
 -
52
 -
 -
53
 -
 -
54
 -
 -
55
 -
 -
56
 APS (APS. 2 Ground)
 Accelerator Position Sensor (APS)
57
 APS (APS. 1 Ground)
 Accelerator Position Sensor (APS)
58
 -
 -
59
 -
 -
60
 -
 -
61
 APT (Ground)
 A/C Pressure Transducer (APT)
62
 -
 -
63
 -
 -
64
 -
 -
65
 -
 -
66
 -
 -
67
 -
 -
68
 -
 -
69
 [A/T] SOL. (OTS (-))
 ATM Solenoid Valve
70
 [A/T] SOL. (OTS (+))
 ATM Solenoid Valve
71
 -
 -
72
 [A/T] SOL. (VFS_LINE)
 ATM Solenoid Valve
73
 [A/T] SOL. (VFS_UD)
 ATM Solenoid Valve
74
 Start Relay Control
 B/Alarm Relay
75
 -
 -
76
 Vehicle Speed Signal
 IBU & ESP Control Module
77
 -
 -
78
 -
 -
79
 APS (APS. 2 Ground)
 Accelerator Position Sensor (APS)
80
 APS (APS. 1 Ground)
 Accelerator Position Sensor (APS)
81
 -
 -
82
 O2 Sensor (Up) (V_N)
 Oxygen Sensor (Up)
83
 O2 Sensor (Down) (Ground)
 Oxygen Sensor (Down)
84
 O2 Sensor (Up) (V_RC)
 Oxygen Sensor (Up)
85
 -
 -
86
 -
 -
87
 -
 -
88
 -
 -
89
 -
 -
90
 -
 -
91
 -
 -
92
 -
 -
93
 -
 -
94
 [A/T] SOL. Power (SS-B)
 ATM Solenoid Valve
95
 [A/T] SOL. (VFS_35R)
 ATM Solenoid Valve
96
 Memory Power
 PCB Block
97
 Wiper 'P' Input
 PCB Block
98
 -
 -
99
 -
 -
100
 -
 -
101
 -
 -
102
 APS (APS. 2 Supply)
 Accelerator Position Sensor (APS)
103
 APS (APS. 1 Supply)
 Accelerator Position Sensor (APS)
104
 APT (Supply)
 A/C Pressure Transducer (APT)
105
 O2 Sensor (Up) (V_G)
 Oxygen Sensor (Up)
106
 O2 Sensor (Down) (Signal)
 Oxygen Sensor (Down)
107
 O2 Sensor (Up) (V_IP)
 Oxygen Sensor (Up)
108
 -
 -
109
 Knock Sensor (Ground)
 Knock Sensor (KS)
110
 Knock Sensor (Signal)
 Knock Sensor (KS)
111
 -
 -
112
 -
 -
113
 -
 -
114
 -
 -
115
 -
 -
116
 -
 -
117
 [A/T] SOL. (SS-A)
 ATM Solenoid Valve
118
 [A/T] SOL. (VFS_T/CON)
 ATM Solenoid Valve
119
 Memory Power
 PCB Block

Connector B
Pin No
Description
Connected to
1
 Engine Control Relay 'ON' Input
 Engine Control Relay
2
 Engine Control Relay 'ON' Input
 Engine Control Relay
3
 Ground
 Ground
4
 Ground
 Ground
5
 Engine Control Relay 'ON' Input
 PCB Block
6
 P-CAN (High)
 P-CAN (High)
7
 P-CAN (Low)
 P-CAN (Low)
8
 -
 -
9
 -
 -
10
 -
 -
11
 -
 -
12
 -
 -
13
 OPTS (Signal)
 Oil Pressure Switch
14
 CMP (IN) (Signal)
 Camshaft Position Sensor (Intake)
15
 CMP (EX) (Signal)
 Camshaft Position Sensor (Exhaust)
16
 ETC Motor & Throttle Position Sensor.1 Signal
 ETC Motor & Throttle Position Sensor
17
 ETC Motor & Throttle Position Sensor Supply
 ETC Motor & Throttle Position Sensor
18
 -
 -
19
 -
 -
20
 -
 -
21
 -
 -
22
 -
 -
23
 -
 -
24
 Ignition Coil #1 (Control)
 Ignition Coil #1
25
 O2 Sensor (Up) (Heater)
 Oxygen Sensor (Up)
26
 O2 Sensor (Down) (Heater)
 Oxygen Sensor (Down)
27
 -
 -
28
 -
 -
29
 Local-CAN (High)
 Electronic ATM Shift Lever, SCU (High)
30
 Local-CAN (Low)
 Electronic ATM Shift Lever, SCU (Low)
31
 -
 -
32
 -
 -
33
 -
 -
34
 WTS #1 (Signal)
 Engine Coolant Temperature Sensor
35
 Sensor Power : Map, CMP (In), CKP
 Sensor Power : Map, CMP (In), CKP
36
 -
 -
37
 CMP (In) (Ground)
 Camshaft Position Sensor (Intake)
38
 CMP (EX) (Ground)
 Camshaft Position Sensor (Exhaust)
39
 ETC Motor & Throttle Position Sensor.2 Signal
 ETC Motor & Throttle Position Sensor
40
 -
 -
41
 -
 -
42
 Fuel Pump Relay Control
 Fuel Pump Relay
43
 Engine Control Relay Control
 Engine Control Relay
44
 -
 -
45
 -
 -
46
 A/C Relay Control
 A/C Relay
47
 Ignition Coil #3 (Control)
 Ignition Coil #3
48
 ETC DC Motor (+)
 ETC Motor
49
 ETC DC Motor (-)
 ETC Motor
50
 -
 -
51
 ON/Start (Input)
 ON/Start (Input)
52
 -
 -
53
 -
 -
54
 -
 -
55
 -
 -
56
 -
 -
57
 WTS #1 (Ground)
 Engine Coolant Temperature Sensor
58
 MAP & IAT Ground
 MAP Sensor
59
 -
 -
60
 -
 -
61
 -
 -
62
 ETC (TPS Groud)
 ETC Motor & Throttle Position Sensor
63
 -
 -
64
 -
 -
65
 Start Relay (Low Side)
 Start Relay
66
 -
 -
67
 -
 -
68
 -
 -
69
 -
 -
70
 OCV Control (EX)
 CVVT Oil Control Valve (OCV)
71
 OCV Control (IN)
 CVVT Oil Control Valve (OCV)
72
 -
 -
73
 -
 -
74
 -
 -
75
 Local-CAN2 (High)
 Can Check
76
 Local-CAN2 (Low)
 Can Check
77
 Alternator (IN)
 Alternator
78
 -
 -
79
 -
 -
80
 CKP (Ground)
 Crankshaft Position Sensor (CKPS)
81
 MAP Sensor (Signal)
 MAP Sensor
82
 Ignition Coil #1/#4 (Feedback)
 Ignition Coil #1 / #4 (Feedback)
83
 -
 -
84
 -
 -
85
 -
 -
86
 -
 -
87
 -
 -
88
 C/FAN Motor (PWM Signal)
 C/FAN Motor
89
 PCSV Control
 Purge Control Solanoid Valve
90
 CCV Control (Not Used)
 Canister Close Valve
91
 -
 -
92
 VIS Control
 Variable Intake Solenoid Valve (VIS)
93
 Ignition Coil #4 Control
 Ignition Coil #4
94
 Injector Coil #4 Control
 Injector Coil #4
95
 -
 -
96
 -
 -
97
 -
 -
98
 -
 -
99
 IMMO. Data Line
 Immobilizer
100
 -
 -
101
 -
 -
102
 -
 -
103
 Crankshaft Position Sensor (CKPS) signal input
 Crankshaft Position Sensor (CKPS)
104
 IAT Sensor
 MAP Sensor
105
 Ignition Coil #2 / #3 (Feedback)
 Ignition Coil #2 / #3 (Feedback)
106
 -
 -
107
 -
 -
108
 CMP (EX) (Supply)
 Camshaft Position Sensor (CMPS)
109
 FTPS (Not Used)
 Fuel Tank Pressure Sensor (FTPS)
110
 Engine RPM Signal
 Engine RPM Signal
111
 -
 -
112
 -
 -
113
 -
 -
114
 -
 -
115
 Thermostat PWM
 Electronic Thermostat
116
 Ignition Coil #2 Control
 Ignition Coil #2
117
 Injector Coil #1 Control
 Injector Coil #1
118
 Injector Coil #3 Control
 Injector Coil #3
119
 Injector Coil #2 Control
 Injector Coil #2

    Components and components location

    Components Location 1. ECM (Engine Control Module) 2. Manifold Absolute Pressure Sensor (MAPS) 3. Intake Air Temperature Sensor (IATS) 4...

    Engine Control Module (ECM). Repair procedures

    Removal    • If you replace the PCM, you must perform oil pressure characteristics back up & input (TCU Replacement)...

    Other information:

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    Categories

    Air bag collision sensors

    WARNING

    To reduce the risk of an air bag deploying unexpectedly and causing serious injury or death:

    Do not hit or allow any objects to impact the locations where air bags or sensors are installed. Do not perform maintenance on or around the air bag sensors. If the location or angle of the sensors is altered, the air bags may deploy when they should not or may not deploy when they should. Installing bumper guards with nongenuine Hyundai or non-equivalent parts may adversely affect the collision and airbag deployment performance. Press the Engine Start/Stop button to the OFF or ACC position and wait for 3 minutes when the vehicle is being towed to prevent inadvertent air bag deployment. Have all air bag repairs performed by an authorized HYUNDAI dealer.

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