Hyundai Palisade: Engine Control System / Engine Control Module (ECM)

Hyundai Palisade (LX2) 2020-2024 Service Manual / Engine Control/Fuel System / Engine Control System / Engine Control Module (ECM)

Schematic diagrams
ECM Terminal and Input / Output Signal

Hyundai Palisade. Schematic diagrams

ECM Terminal Function
Connector [A]
Pin No
Description
Connected to
1
 Ignition Coil (Cylinder #4) control output
 Ignition Coil (Cylinder #4)
2
 Injector (Cylinder #3) [High] control output
 Injector (Cylinder #3)
3
 Injector (Cylinder #5) [High] control output
 Injector (Cylinder #5)
4
 Injector (Cylinder #1) [High] control output
 Injector (Cylinder #1)
5
 Camshaft Position Sensor (CMPS) [Bank 2 / Exhaust] signal input
 Camshaft Position Sensor (CMPS) [Bank 2 / Exhaust]
6
 Camshaft Position Sensor (CMPS) [Bank 2 / Intake] signal input
 Camshaft Position Sensor (CMPS) [Bank 2 / Intake]
7
 Throttle Position Sensor (TPS) 2 signal input
 Throttle Position Sensor (TPS) 2
8
 -
 　
9
 Rail Pressure Sensor (RPS) signal input
 Rail Pressure Sensor (RPS)
10
 CVVT Oil Temperature Sensor (OTS) signal input
 CVVT Oil Temperature Sensor (OTS)
11
 -
 　
12
 -
 　
13
 Sensor power (+5V)
 CVVT Oil Temperature Sensor (OTS)
Manifold Absolute Pressure Sensor (MAPS)
14
 -
 　
15
 -
 　
16
 -
 　
17
 -
 　
18
 -
 　
19
 ETC Motor [-] control output
 ETC Motor
20
 Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 1] Heater control output
 Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 1]
21
 Heated Oxygen Sensor (HO2S) [Bank 2 / Sensor 1] Heater control output
 Heated Oxygen Sensor (HO2S) [Bank 2 / Sensor 1]
22
 Ignition Coil (Cylinder #5) control output
 Ignition Coil (Cylinder #5
23
 Injector (Cylinder #6) [High] control output
 Injector (Cylinder #6)
24
 Injector (Cylinder #2) [High] control output
 Injector (Cylinder #2)
25
 Injector (Cylinder #4) [High] control output
 Injector (Cylinder #4)
26
 Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust] signal input
 Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust]
27
 Camshaft Position Sensor (CMPS) [Bank 1 / Intake] signal input
 Camshaft Position Sensor (CMPS) [Bank 1 / Intake]
28
 Intake Air Temperature Sensor (IATS) signal input
 Intake Air Temperature Sensor (IATS)
29
 Manifold Absolute Pressure Sensor (MAPS) signal input
 Manifold Absolute Pressure Sensor (MAPS)
30
 -
 　
31
 -
 　
32
 -
 　
33
 -
 　
34
 Sensor power (+5V)
 Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust]
Camshaft Position Sensor (CMPS) [Bank 2 / Intake]
35
 -
 　
36
 Sensor power (+5V)
 Camshaft Position Sensor (CMPS) [Bank 1 / Intake]
Camshaft Position Sensor (CMPS) [Bank 2 / Exhaust]
37
 -
 　
38
 Purge Control Solenoid Valve (PCSV) control output
 Purge Control Solenoid Valve (PCSV)
39
 -
 　
40
 ETC Motor [+] control output
 ETC Motor
41
 -
 　
42
 -
 　
43
 Ignition Coil (Cylinder #1) control output
 Ignition Coil (Cylinder #1)
44
 Injector (Cylinder #6) [Low] control output
 Injector (Cylinder #6)
45
 Injector (Cylinder #3) [Low] control output
 Injector (Cylinder #3)
46
 Injector (Cylinder #2) [Low] control output
 Injector (Cylinder #2)
47
 Sensor ground
 Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust]
Camshaft Position Sensor (CMPS) [Bank 2 / Intake]
48
 Sensor ground
 Manifold Absolute Pressure Sensor (MAPS)
Oil Pressure Sensor (OPS)
49
 Sensor ground
 Camshaft Position Sensor (CMPS) [Bank 1 / Intake]
Camshaft Position Sensor (CMPS) [Bank 2 / Exhaust]
50
 -
 　
51
 -
 　
52
 -
 　
53
 -
 　
54
 Engine Coolant Temperature Sensor (ECTS) signal input
 Engine Coolant Temperature Sensor (ECTS)
55
 Sensor Shield
 Crankshaft Position Sensor (CKPS)
Knock Sensor (KS) #1 [Bank 1]
Knock Sensor (KS) #2 [Bank 2]
56
 Sensor power (+5V)
 Rail Pressure Sensor (RPS)
57
 -
 　
58
 Sensor ground
 Engine Coolant Temperature Sensor (ECTS)
Rail Pressure Sensor (RPS)
59
 Sensor ground
 Throttle Position Sensor (TPS) 1
Throttle Position Sensor (TPS) 2
60
 Variable Intake Solenoid (VIS) Valve 1 control output
 Variable Intake Solenoid (VIS) Valve 1
61
 Variable Intake Solenoid (VIS) Valve 2 control output
 Variable Intake Solenoid (VIS) Valve 2
62
 -
 　
63
 -
 　
64
 Ignition Coil (Cylinder #2) control output
 Ignition Coil (Cylinder #2)
65
 Injector (Cylinder #1) [Low] control output
 Injector (Cylinder #1)
66
 Injector (Cylinder #4) [Low] control output
 Injector (Cylinder #4)
67
 Injector (Cylinder #5) [Low] control output
 Injector (Cylinder #5)
68
 Crankshaft Position Sensor (CKPS) [High] signal input
 Crankshaft Position Sensor (CKPS)
69
 Crankshaft Position Sensor (CKPS) [Low] signal input
 Crankshaft Position Sensor (CKPS)
70
 -
 　
71
 -
 　
72
 Oil pressure switch signal input
 Oil Pressure Sensor (OPS)
73
 -
 　
74
 -
 　
75
 Throttle Position Sensor (TPS) 1 signal input
 Throttle Position Sensor (TPS) 1
76
 Knock Sensor (KS) [Bank 1] [Low] signal input
 Knock Sensor (KS) [Bank 1]
77
 Knock Sensor (KS) [Bank 2] [Low] signal input
 Knock Sensor (KS) [Bank 2]
78
 Sensor ground
 Heated Oxygen Sensor (HO2S) [Bank 2 / Sensor 2]
79
 Rc/Rp (Pump Cell Voltage)
 Heated Oxygen Sensor (HO2S) [Bank 2 / Sensor 1]
80
 VS+ (NERNST Cell Voltage)
 Heated Oxygen Sensor (HO2S) [Bank 2 / Sensor 1]
81
 Heated Oxygen Sensor (HO2S) [Bank 2 / Sensor 2] signal input
 Heated Oxygen Sensor (HO2S) [Bank 2 / Sensor 2]
82
 VS+ (NERNST Cell Voltage)
 Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 1]
83
 Rc (Compensative Resistance)
 Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 1]
84
 Oil Pressure Solenoid Valve control output
 Oil Pressure Solenoid Valve
85
 Ignition Coil (Cylinder #6) control output
 Ignition Coil (Cylinder #6)
86
 Ignition Coil (Cylinder #3) control output
 Ignition Coil (Cylinder #3)
87
 Fuel Pressure Control Valve (FPCV) [High] control output
 Fuel Pressure Control Valve (FPCV)
88
 Fuel Pressure Control Valve (FPCV) [Low] control output
 Fuel Pressure Control Valve (FPCV)
89
 Heated Oxygen Sensor (HO2S) [Bank 2 / Sensor 2] Heater control output
 Heated Oxygen Sensor (HO2S) [Bank 2 / Sensor 2]
90
 Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 2] Heater control output
 Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 2]
91
 CVVT Oil Control Valve (OCV) [Bank 2 / Exhaust] control output
 CVVT Oil Control Valve (OCV) [Bank 2 / Exhaust]
92
 CVVT Oil Control Valve (OCV) [Bank 1 / Exhaust] control output
 CVVT Oil Control Valve (OCV) [Bank 1 / Exhaust]
93
 Variable Force Solenoid (VFS) [Bank 2 / Intake] control output
 Variable Force Solenoid (VFS) [Bank 2 / Intake]
94
 Variable Force Solenoid (VFS) [Bank 1 / Intake] control output
 Variable Force Solenoid (VFS) [Bank 1 / Intake]
95
 -
 　
96
 Sensor power (+5V)
 Throttle Position Sensor (TPS) 1
Throttle Position Sensor (TPS) 2
97
 Knock Sensor (KS) [Bank 1] [High] signal input
 Knock Sensor (KS) [Bank 1]
98
 Knock Sensor (KS) [Bank 2] [High] signal input
 Knock Sensor (KS) [Bank 2]
99
 Sensor ground
 Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 2]
100
 -
 　
101
 Rc (Compensative Resistance)
 Heated Oxygen Sensor (HO2S) [Bank 2 / Sensor 1]
102
 VS-/IP- (Common ground)
 Heated Oxygen Sensor (HO2S) [Bank 2 / Sensor 1]
103
 Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 2] signal input
 Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 2]
104
 VS-/IP- (Common ground)
 Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 1]
105
 Rc/Rp (Pump Cell Voltage)
 Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 1]

Connector [K]
Pin No
Description
Connected to
1
 ECM ground
 Chassis ground
2
 ECM ground
 Chassis ground
3
 Battery power (B+)
 Main Relay
4
 ECM ground
 Chassis ground
5
 Battery power (B+)
 Main Relay
6
 Battery power (B+)
 Main Relay
7
 -
 　
8
 -
 　
9
 -
 　
10
 -
 　
11
 -
 　
12
 -
 　
13
 Sensor ground
 A/C Pressure Transducer (APT)
14
 Immobilizer communication line
 Immobilizer Control Module
15
 Fuel Level Sender (FLS) signal input [Fuel pump]
 Fuel Level Sender (FLS)
16
 -
 　
17
 -
 　
18
 -
 　
19
 -
 　
20
 Sensor power (+5V)
 Accelerator Position Sensor (APS) 1
21
 Main Relay control output
 Main Relay
22
 -
 　
23
 -
 　
24
 -
 　
25
 -
 　
26
 -
 　
27
 -
 　
28
 Accelerator Position Sensor (APS) 2 signal input
 Accelerator Position Sensor (APS) 2
29
 -
 　
30
 -
 　
31
 -
 　
32
 Fuel Level Sender (FLS) signal input [Sub Fuel Sender]
 Sub Fuel Level Sender
33
 Fuel Pump Relay control output
 Fuel Pump Relay
34
 -
 　
35
 Sensor power (+5V)
 A/C Pressure Transducer (APT)
36
 Sensor power (+5V)
 Accelerator Position Sensor (APS) 2
37
 -
 　
38
 Vehicle speed signal input
 VDC control module
39
 -
 　
40
 -
 　
41
 Start signal input
 Start Relay
42
 -
 　
43
 -
 　
44
 -
 　
45
 -
 　
46
 -
 　
47
 Sensor ground
 Accelerator Position Sensor (APS) 2
48
 -
 　
49
 Brake Switch [Test] signal input
 Brake Switch
50
 -
 　
51
 -
 　
52
 Sensor ground
 Accelerator Position Sensor (APS) 1
53
 -
 　
54
 -
 　
55
 -
 　
56
 -
 　
57
 -
 　
58
 -
 　
59
 -
 　
60
 P-CAN [Low]
 Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector
61
 -
 　
62
 -
 　
63
 -
 　
64
 A/C Pressure Transducer (APT) signal input
 A/C Pressure Transducer (APT)
65
 -
 　
66
 -
 　
67
 -
 　
68
 -
 　
69
 LIN (Local Interconnect Network) Serial Bus Line
 Battery Sensor
70
 -
 　
71
 Cooling Fan Relay control output
 Cooling Fan Relay
72
 Engine speed signal output
 Integrated Body Control Unit (IBU)
73
 -
 　
74
 -
 　
75
 -
 　
76
 -
 　
77
 P-CAN [High]
 Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector
78
 -
 　
79
 Start Relay control output
 Start Relay
80
 -
 　
81
 -
 　
82
 Accelerator Position Sensor (APS) 1 signal input
 Accelerator Position Sensor (APS) 1
83
 Brake Switch [Light] signal input
 Brake Switch
84
 -
 　
85
 -
 　
86
 -
 　
87
 -
 　
88
 -
 　
89
 -
 　
90
 -
 　
91
 -
 　

ECM Terminal Input/ Output signal
Connector [A]
Pin No
 Description
Condition
Type
Level
1
 Ignition Coil (Cylinder #4) control output
 Idle
 Pulse
 Vpeak = 400V
Frequency : 0 - 58.3 Hz
2
 Injector (Cylinder #3) [High] control output
 IG OFF
 Pulse
 0V
IG ON
 Battery Voltage - 65V
3
 Injector (Cylinder #5) [High] control output
 IG OFF
 Pulse
 0V
IG ON
 Battery Voltage - 65V
4
 Injector (Cylinder #1) [High] control output
 IG OFF
 Pulse
 0V
IG ON
 Battery Voltage - 65V
5
 Camshaft Position Sensor (CMPS) [Bank 2/Exhaust] signal input
 Idle
 Pulse
 High : 3.2 - Vcc
Low : Max 0.7V
Frequency : 0 - 350 Hz
6
 Camshaft Position Sensor (CMPS) [Bank 2/Intake] signal input
 Idle
 Pulse
 High : 3.2 - Vcc
Low : Max 0.7V
Frequency : 0 - 350 Hz
7
 Throttle Position Sensor (TPS) 2 signal input
 C.T
 Analog
 Min 4.0V
W.O.T
 0.25 - 0.9V
8
 -
 　
 　
 　
9
 Rail Pressure Sensor (RPS) signal input
 Idle
 DC Voltage
 1.0 - 2.0V
10
 CVVT Oil Temperature Sensor (OTS) signal input
 IG ON
 Analog
 3.2V (-40°C)
0.1V (150°C)
11
 -
 　
 　
 　
12
 -
 　
 　
 　
13
 Sensor power (+5V)
 IG OFF
 DC
 Max 0.5V
IG ON
 4.75 - 5.25V
14
 　
 　
 　
 　
15
 　
 　
 　
 　
16
 -
 　
 　
 　
17
 -
 　
 　
 　
18
 -
 　
 　
 　
19
 ETC Motor [-] control output
 Idle
 PWM
 High : Battery power
Low : Max1.0V
Frequency : 1,500 - 2,400 Hz
Duty : 0 - 98%
20
 Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 1] Heater control output
 Idle
 PWM
 High : Battery power
Low : Max 1.15V
Duty : 0 - 100%
21
 Heated Oxygen Sensor (HO2S) [Bank 2 / Sensor 1] Heater control output
 Idle
 PWM
 High : Battery power
Low : Max 1.15V
Duty : 0 - 100%
22
 Ignition Coil (Cylinder #5) control output
 Idle
 Pulse
 Vpeak = 400V
Frequency : 0 - 58.3 Hz
23
 Injector (Cylinder #6) [High] control output
 IG OFF
 Pulse
 Battery Voltage - 65V
IG ON
 0V
24
 Injector (Cylinder #2) [High] control output
 IG OFF
 Pulse
 Battery Voltage - 65V
IG ON
 0V
25
 Injector (Cylinder #2) [High] control output
 IG OFF
 Pulse
 Battery Voltage - 65V
IG ON
 0V
26
 Camshaft Position Sensor (CMPS) [Bank 1 / Intake] signal input
 Idle
 Pulse
 High : 3.2 - Vcc
Low : Max 0.7V
Frequency : 0 - 350 Hz
27
 Camshaft Position Sensor (CMPS) [Bank 1 / Intake] signal input
 Idle
 Pulse
 High : 3.2 - Vcc
Low : Max 0.7V
Frequency : 0 - 350 Hz
28
 Intake Air Temperature Sensor (IATS) signal input
 IG ON
 Analog
 3.2V (-40°C)
0.05V (125°C)
29
 Sensor (MAPS) signal input
 IG ON
 Analog
 Approximately 4.44V
Idle
 Approximately 0.75V
30
 -
 　
 　
 　
31
 -
 　
 　
 　
32
 -
 　
 　
 　
33
 　
 　
 　
 　
34
 Sensor power (+5V)
 IG OFF
 DC
 Max 0.5V
IG ON
 4.75 - 5.25V
35
 -
 　
 　
 　
36
 Sensor power (+5V)
 IG OFF
 DC
 Max 0.5V
IG ON
 4.75 - 5.25V
37
 -
 　
 　
 　
38
 Purge Control Solenoid Valve (PCSV) control output
 Idle
 PWM
 High : Battery power
Low : Max 1.0V
39
 -
 　
 　
 　
40
 ETC Motor [+] control output
 Idle
 PWM
 High : Battery power
Low : Max1.0V
Frequency : 1,500 - 2,400 Hz
Duty : 0 - 98%
41
 -
 　
 　
 　
42
 -
 　
 　
 　
43
 Ignition Coil (Cylinder #1) control output
 Idle
 Pulse
 Vpeak = 400V
Frequency : 0 - 58.3 Hz
44
 Injector (Cylinder #6) [Low] control output
 IG OFF
 Pulse
 Battery Voltage - 65V
IG ON
 Max 5.0V
45
 Injector (Cylinder #3) [Low] control output
 IG OFF
 Pulse
 Battery Voltage - 65V
IG ON
 Max 5.0V
46
 Injector (Cylinder #2) [Low] control output
 IG OFF
 Pulse
 Battery Voltage - 65V
IG ON
 Max 5.0V
47
 Sensor ground
 Idle
 DC
 Max 0.1V
48
 Sensor ground
 Idle
 DC
 Max 0.1V
49
 Sensor ground
 Idle
 DC
 Max 0.1V
50
 -
 　
 　
 　
51
 -
 　
 　
 　
52
 -
 　
 　
 　
53
 -
 　
 　
 　
54
 Engine Coolant Temperature Sensor (ECTS) signal input
 IG ON
 Analog
 3.22V (-40°C)
0.29V (125°C)
55
 Sensor Shield
 Idle
 DC
 Max 0.1V
56
 Sensor power (+5V)
 IG OFF
 DC
 Max 0.5V
IG ON
 4.9 - 5.1V
57
 -
 　
 　
 　
　
 　
58
 Sensor ground
 Idle
 DC
 Max 0.1V
59
 Sensor ground
 Idle
 DC
 Max 0.1V
60
 Variable Intake Solenoid (VIS) Valve 1 control output
 Idle
 PWM
 High : Battery power
Low : Max 1.1V
61
 Variable Intake Solenoid (VIS) Valve 2 control output
 Idle
 PWM
 High : Battery power
Low : Max 1.1V
62
 -
 　
 　
 　
63
 -
 　
 　
 　
64
 Ignition Coil (Cylinder #2) control output
 Engine running
 Pulse
 Vpeak = 360 - 440V
Frequency : 125 - 1,000 Hz (Idle: 333 Hz)
65
 Injector (Cylinder #1) [Low] control output
 IG OFF
 Pulse
 Battery Voltage - 65V
IG ON
 Max 5.0V
66
 Injector (Cylinder #4) [Low] control output
 IG OFF
 Pulse
 Battery Voltage - 65V
IG ON
 Max 5.0V
67
 Injector (Cylinder #5) [Low] control output
 IG OFF
 Pulse
 Battery Voltage - 65V
IG ON
 Max 5.0V
68
 Crankshaft Position Sensor (CKPS) [High] signal input
 Idle
 SINE WAVE
 Vp_p : 0.4 - 200V
Frequency : 55 - 7,000 Hz
69
 Crankshaft Position Sensor (CKPS) [Low] signal input
 Idle
 SINE WAVE
 Vp_p : 0.4 - 200V
Frequency : 55 - 7,000 Hz
70
 -
 　
 　
 　
71
 -
 　
 　
 　
72
 Oil pressure switch signal input
 　
 　
 　
73
 -
 　
 　
 　
74
 -
 　
 　
 　
75
 Throttle Position Sensor (TPS) 1 signal input
 C.T
 Analog
 0.25 - 0.9V
W.O.T
 Min 4.0V
76
 Knock Sensor (KS) [Bank 1] [Low] signal input
 Knocking
 Variable Frequency
 -0.3 to 0.3V
Normal
 0V
77
 Knock Sensor (KS) [Bank 2] [Low] signal input
 Knocking
 Variable Frequency
 -0.3 to 0.3V
Normal
 0V
78
 Sensor ground
 Idle
 DC
 Max 0.1V
79
 Rc/Rp (Pump Cell Voltage)
 Idle
 Analog
 Normal : 450 ± 50 mV
Rich : Max Normal+150 mV
Lean : Min Normal-150 mV
80
 VS+ (NERNST Cell Voltage)
 Idle
 Analog
 Normal : 450 ± 50 mV
Rich: Max Normal+150 mV
Lean : Min Normal-150 mV
81
 Heated Oxygen Sensor (HO2S) [Bank 2 / Sensor 2] signal input
 Rich
 Analog
 Min 0.8V
Lean
 Max 0.1V
82
 VS+ (NERNST Cell Voltage)
 Idle
 Analog
 Normal : 450 ± 50 mV
Rich : Max Normal+150 mV
Lean : Min Normal-150 mV
83
 Rc (Compensative Resistance)
 Idle
 Analog
 │Rc-Rc/Rp│: Below ± 0.1V
84
 Oil Pressure Solenoid Valve control output
 　
 　
 　
85
 Ignition Coil (Cylinder #6) control output
 Idle
 Pulse
 Vpeak = 400V
Frequency : 0 - 58.3 Hz
86
 Ignition Coil (Cylinder #3) control output
 Idle
 Pulse
 Vpeak = 400V
Frequency : 0 - 58.3 Hz
87
 Fuel Pressure Control Valve (FPCV) [High] control output
 Idle
 DC Voltage
 Battery Voltage
Max 1.0V
88
 Fuel Pressure Control Valve (FPCV) [Low] control output
 Idle
 DC Voltage
 Battery Voltage
Max 1.0V
89
 Heated Oxygen Sensor (HO2S) [Bank 2 / Sensor 2] Heater control output
 Idle
 PWM
 High : Battery power
Low : Max 1.15V
Duty : 0 - 100%
90
 Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 2] Heater control output
 Idle
 PWM
 High : Battery power
Low : Max 1.15V
Duty : 0 - 100%
91
 CVVT Oil Control Valve (OCV) [Bank 2 / Exhaust] control output
 Idle
 PWM
 High : Battery power
Low : Max 1.0V
Frequency = 128Hz
Duty : 0 - 100%
92
 CVVT Oil Control Valve (OCV) [Bank 1 / Exhaust] control output
  Idle
  PWM
 High : Battery power
Low : Max 1.0V
Frequency = 128Hz
Duty : 0 - 100%
93
 Variable Force Solenoid (VFS) [Bank 2 / Intake] control output
  Idle
  PWM
 High : Battery power
Low : Max 1.0V
Frequency = 128Hz
94
 Variable Force Solenoid (VFS) [Bank 1 / Intake] control output
 Idle
 PWM
 High : Battery power
Low : Max 1.0V
Frequency = 128Hz
95
 -
 　
 　
 　
96
 Sensor power (+5V)
 IG OFF
 DC
 Max 0.5V
IG ON
 4.75 - 5.25V
97
 Knock Sensor (KS) [Bank 1] [High] signal input
 Knocking
 Variable Frequency
 -0.3 to 0.3V
Normal
 0V
98
 Knock Sensor (KS) [Bank 2] [High] signal input
 Knocking
 Variable Frequency
 -0.3 to 0.3V
Normal
 0V
99
 Sensor ground
 Idle
 DC
 Max 0.1V
100
 -
 　
 　
 　
101
 Rc (Compensative Resistance)
 Idle
 　
 │Rc-Rc/Rp│: Below ± 0.1V
102
 VS-/IP- (Common ground)
 Idle
 Analog
 Reference for V_IP, V_N
103
 Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 2] signal input
 Idle
 DC
 Rich : 0.6 - 1.0V
Lean : Max 0.4V
104
 VS-/IP- (Common ground)
 Idle
 Analog
 Reference for V_IP, V_N
105
 Rc/Rp (Pump Cell Voltage)
 Idle
 Analog
 Normal : 450 ± 50 mV
Rich : Max Normal+150 mV
Lean : Min Normal-150 mV

Connector [K]
Pin No
 Description
Condition
Type
Level
1
 ECM ground
 Idle
 DC
 -0.3 to 0.5V
2
 ECM ground
 Idle
 DC
 -0.3 to 0.5V
3
 Battery power (B+)
 IG OFF
 DC
 Max 1.0V
IG ON
 Battery Voltage (B+)
4
 ECM ground
 Idle
 DC
 -0.3 to 0.5V
5
 Battery power (B+)
 IG OFF
 DC
 Max 1.0V
IG ON
 Battery Voltage (B+)
6
 Battery power (B+)
 IG OFF
 DC
 Max 1.0V
IG ON
 Battery Voltage (B+)
7
 -
 　
 　
 　
8
 -
 　
 　
 　
9
 -
 　
 　
 　
10
 -
 　
 　
 　
11
 -
 　
 　
 　
12
 -
 　
 　
 　
13
 Sensor ground
 Idle
 DC
 Max 0.1V
14
 Immobilizer communication line
 Transmitting
 DC
 High : Min Vbatt X 80%
Low : Max Vbatt X 20%
Receiving
 High : Min Vbatt X 70%
Low : Max Vbatt X 30%
15
 Fuel Level Sender (FLS) signal input [Fuel Pump]
 　
 　
 　
16
 -
 　
 　
 　
17
 -
 　
 　
 　
18
 -
 　
 　
 　
19
 -
 　
 　
 　
20
 Sensor power (+5V)
 IG OFF
 DC
 Max 0.5V
IG ON
 4.9 - 5.1V
21
 Main Relay control output
 Relay OFF
 DC
 Battery power
Relay ON
 Max 1.7V
22
 -
 　
 　
 　
23
 -
 　
 　
 　
24
 -
 　
 　
 　
25
 -
 　
 　
 　
26
 -
 　
 　
 　
27
 -
 　
 　
 　
28
 Accelerator Position Sensor (APS) 2 signal input
 C.T
 Analog
 0.29 - 0.46V
W.O.T
 1.93 - 2.18V
29
 -
 　
 　
 　
30
 -
 　
 　
 　
31
 -
 　
 　
 　
32
 Fuel Level Sender (FLS) signal input [Sub Fuel Sender]
 　
 　
 　
33
 Fuel Pump Relay control output
 Relay OFF
 DC Voltage
 Battery Voltage
Relay ON
 Max 1.0V
34
 -
 　
 　
 　
35
 Sensor power (+5V)
 IG OFF
 DC
 Max 0.5V
IG ON
 4.9 - 5.1V
36
 Sensor power (+5V)
 IG OFF
 DC
 Max 0.5V
IG ON
 4.9 - 5.1V
37
 -
 　
 　
 　
38
 Vehicle speed signal input
 Vehicle Running
 Pulse
 High : Battery power
Low : Max 0.5V
Frequency : 0.7 (1 km/h) - 200 Hz (240 km/h)
Duty : 44 - 56%
39
 -
 　
 　
 　
40
 -
 　
 　
 　
41
 Start Relay control output
 Relay OFF
 DC
 Battery Voltage (B+)
Relay ON
 -0.3 to 1.2V
42
 -
 　
 　
 　
43
 -
 　
 　
 　
44
 -
 　
 　
 　
45
 -
 　
 　
 　
46
 -
 　
 　
 　
47
 Sensor ground
 Idle
 DC
 Max 0.1V
48
 -
 　
 　
 　
49
 Brake Switch [Test] signal input
 Brake OFF
 DC
 Battery Voltage (B+)
Brake ON
 Max 0.5V
50
 -
 　
 　
 　
51
 -
 　
 　
 　
52
 Sensor ground
 Idle
 DC
 Max 0.1V
53
 -
 　
 　
 　
54
 -
 　
 　
 　
55
 -
 　
 　
 　
56
 -
 　
 　
 　
57
 -
 　
 　
 　
58
 -
 　
 　
 　
59
 -
 　
 　
 　
60
 P-CAN [Low]
 Recessive
 Pulse
 2.0 - 3.0V
Dominant
 0.5 - 2.25V
61
 -
 　
 　
 　
62
 -
 　
 　
 　
63
 -
 　
 　
 　
64
 A/C Pressure Transducer (APT) signal input
 A/C ON
 Analog
 0.5 - 4.5V
65
 -
 　
 　
 　
66
 -
 　
 　
 　
67
 -
 　
 　
 　
68
 -
 　
 　
 　
69
 LIN (Local Interconnect Network) Serial Bus Line
 Transmitting
 DC
 High : Min Vbatt X 80%
Low : Max Vbatt X 20%
Receiving
 High : Min Vbatt X 70%
Low : Max Vbatt X 30%
70
 -
 　
 　
 　
71
 Cooling fan Relay control output
 A/C ON
 Pulse
 High : Battery power
Low : Max 1.1V
72
 Engine speed signal output
 Idle
 Pulse
 High : Battery power
Low : Max 1.1V
Frequency : 0 - 350 Hz
Duty : 47.5 - 52.5%
73
 -
 　
 　
 　
74
 -
 　
 　
 　
75
 -
 　
 　
 　
76
 -
 　
 　
 　
77
 P-CAN [High]
 Recessive
 Pulse
 2.0 - 3.0V
Dominant
 2.75 - 4.5V
78
 -
 　
 　
 　
79
 Start Relay control output
 Relay OFF
 DC
 Battery power
Relay ON
 Max 1.1V
80
 -
 　
 　
 　
81
 -
 　
 　
 　
82
 Accelerator Position Sensor (APS) 1 signal input
 C.T
 Analog
 0.7 - 0.8V
W.O.T
 3.85 - 4.35V
83
 Brake Switch 1 signal input
 Brake OFF
 DC
 Max 0.5V
Brake ON
 Battery power
84
 -
 　
 　
 　
85
 -
 　
 　
 　
86
 -
 　
 　
 　
87
 -
 　
 　
 　
88
 -
 　
 　
 　
89
 -
 　
 　
 　
90
 -
 　
 　
 　
91
 -
 　
 　
 　

Repair procedures
Removal
1.
Switch "OFF" the ignition and disconnect the negative (-) battery terminal.
2.
Remove the air cleaner assembly.
(Refer to Engine Mechanical System - "Air Cleaner")
3.
Remove the battery tray.
(Refer to Engine Electrical System - "Battery")
4.
Disconnect the ECM Connector (A).
5.
Remove the ECM bracket assembly (B) after loosening the mounting bolt and nuts,
ECM Bracket mounting bolt / nut :
9.8 - 11.8 N.m (1.0 - 1.2 kgf.m,7.2 - 8.7 lb-ft)

Hyundai Palisade. Repair procedures
6.
Remove the ECM after loosening the mounting nuts (A) and screw (B).
ECM Mounting bolt / nut :
9.8 - 11.8 N.m (1.0 - 1.2 kgf.m,7.2 - 8.7 lb-ft)

Hyundai Palisade. Repair procedures
Installation
1.
Install in the reverse order of removal.
ECM Problem Inspection Procedure
1.
TEST ECM GROUND CIRCUIT : Measure resistance between ECM and chassis ground using the backside of ECM harness connector as ECM side check point. If the problem is found, repair it.
Specification : Below 1Ω
2.
TEST ECM CONNECTOR : Disconnect the ECM connector and visually check the ground terminals on ECM side and harness side for bent pins or poor contact pressure. If the problem is found, repair it.
3.
If problem is not found in steps 1 and 2, the ECM could be faulty. In this case, make sure that there are no DTC's before replacing the ECM with a new one, and then check the vehicle again. If DTC's are found, examine them first before replacing the ECM.
4.
RE-TEST THE ORIGINAL ECM : Install the original ECM (possibly broken) into a known-good vehicle and check the vehicle. If the problem reoccurs, replace the original ECM with a new one. If problem does not reoccur, this is an intermittent problem.
(Refer to "Intermittent Problem Inspection Procedure" in Basic Inspection Procedure.)
Adjustment
ECM Neutral Mode procedure (With Immobilizer)
•
After replacing the ECM of the vehicle with the immobilizer, the following procedure must be performed.
[If installing a used ECM]
1)
Perform "ECM Neutral Mode" procedure using diagnostic tool.
(Refer to Body Electrical System - "Immobilizer System")
2)
After finishing "ECM Neutral Mode", perform "Key Teaching" procedure using diagnostic tool.
(Refer to Body Electrical System - "Immobilizer System")
[If installing a new ECM]
–
Perform "Key Teaching" procedure using diagnostic tool.
(Refer to Body Electrical System - "Immobilizer System")
ECM Neutral Mode procedure (With Smart key)
•
After replacing the ECM of the vehicle with the smart key system (button start), the following procedure must be performed.
[If installing a used ECM]
1)
Perform "ECM Neutral Mode" procedure using diagnostic tool.
(Refer to Body Electrical System - "Smart Key")
2)
After finishing "ECM Neutral Mode", turn IGN ON then OFF using the smart key or start button. Then the ECM learns information on the smart key automatically.
(Refer to Body Electrical System - "Smart Key")
[If installing a new ECM]
–
Turn IGN ON then OFF using the smart key or start button. Then the ECM learns information on the smart key automatically.
(Refer to Body Electrical System - "Smart Key")
ETC module learning procedure
Perform ETC module learning after replacing the ETC module.
(Refer to Electronic Throttle Control System - "Adjustment")
VIN programming procedure
VIN (Vehicle Identification Number) is a number with the vehicle information (Maker, Vehicle Type, Vehicle Line/Series, Body Type, Engine Type, Transmission Type, Model Year, Plant Location and so forth. For more information, please refer to the group "GI" in this SERVICE MANUAL). When replacing an ECM, the VIN must be programmed in the ECM. If there is no VIN in ECM memory, the fault code (DTC P0630) will be set.
Hyundai Palisade. Repair procedures   
•
VIN cannot be changed once it is programmed. Confirm carefully when writing the VIN.
1.
Select "VIN Writing" function in "Vehicle S/W Management".
2.
Select "Write VIN" in "ID Register" menu.

Hyundai Palisade. Repair procedures
3.
Enter the VIN.
Hyundai Palisade. Repair procedures   
•
Before entering the VIN, confirm again as it cannot be changed once programmed.

Hyundai Palisade. Repair procedures

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