Kia Stinger: Engine Control System / Engine Control Module (ECM)

Kia Stinger CK 2018-2020 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]

Terminal
Description
Connected to
1
-
 
2
-
 
3
-
 
4
-
 
5
Electric Waste Gate Actuator (EWGA) DC Motor output (-)
Electric Waste Gate Actuator (EWGA)
6
Electric Waste Gate Actuator (EWGA) DC Motor output (+)
Electric Waste Gate Actuator (EWGA)
7
-
 
8
-
 
9
-
 
10
-
 
11
-
 
12
-
 
13
-
 
14
-
 
15
Electric Waste Gate Actuator (EWGA) Feedback signal
Electric Waste Gate Actuator (EWGA)
16
CVVT Oil Temperature Sensor (OTS) signal input
CVVT Oil Temperature Sensor (OTS)
17
Engine Coolant Temperature Sensor (ECTS) signal input
Engine Coolant Temperature Sensor (ECTS)
18
Boost Pressure Sensor (BPS) signal input
Boost Pressure Sensor (BPS)
19
Alternator target voltage data signal output (COM)
Alternator
20
Ignition Coil (Cylinder #2) control output
Ignition Coil (Cylinder #2)
21
Ignition Coil (Cylinder #3) control output
Ignition Coil (Cylinder #3)
22
 
 
23
-
 
24
-
 
25
-
 
26
-
 
27
-
 
28
-
 
29
-
 
30
-
 
31
-
 
32
-
 
33
-
 
34
-
 
35
-
 
36
Sensor ground
Electric Waste Gate Actuator (EWGA)
37
Sensor ground
Engine Coolant Temperature Sensor (ECTS)
38
Sensor ground
Rail Pressure Sensor (RPS)
39
Rail Pressure Sensor (RPS) signal input
Rail Pressure Sensor (RPS)
40
-
 
41
Ignition Coil (Cylinder #4) control output
Ignition Coil (Cylinder #4)
42
Ignition Coil (Cylinder #1) control output
Ignition Coil (Cylinder #1)
43
VCM motor [+] control output
VCM motor
44
VCM motor [-] control output
VCM motor
45
-
 
46
-
 
47
-
 
48
-
 
49
Sensor ground
Crankshaft Position Sensor (CKPS)
50
Sensor ground
Camshaft Position Sensor (CMPS) [Bank 1/Exhaust]
51
Sensor ground
Camshaft Position Sensor (CMPS) [Bank 1/Intake]
52
-
 
53
-
 
54
Sensor ground
VCM motor
55
-
 
56
Sensor ground
CVVT Oil Temperature Sensor (OTS)
57
-
 
58
Sensor ground
Manifold Absolute Pressure Sensor (MAPS)#2
59
Sensor ground
Throttle Position Sensor (TPS) 1,2
60
Sensor ground
Manifold Absolute Pressure Sensor (MAPS)
Intake Temperature Sensor (IATS)
61
Sensor Shield
Knock Sensor (KS)
62
Sensor ground
Knock Sensor (KS)
63
Knock Sensor (KS) signal input
Knock Sensor (KS)
64
-
 
65
E-CVVT motor [-] control output
E-CVVT motor
66
E-CVVT motor [+] control output
E-CVVT motor
67
E-CVVT Relay power
E-CVVT Relay
68
-
 
69
-
 
70
-
 
71
-
 
72
-
 
73
-
 
74
Camshaft Position Sensor (CMPS) [Bank 1/Exhaust] signal input
Camshaft Position Sensor (CMPS) [Bank 1/Exhaust]
75
Alternator electric load signal input [FR]
Alternator
76
-
 
77
Feedback signal input
VCM motor
78
-
 
79
-
 
80
Throttle Position Sensor (TPS) 2 signal input
Throttle Position Sensor (TPS) 2
81
Intake Temperature Sensor (IATS) signal input
Intake Temperature Sensor (IATS)
82
Manifold Absolute Pressure Sensor (MAPS) signal input
Manifold Absolute Pressure Sensor (MAPS)
83
Rc/Rp (Pumping Cell Voltage)
Heated Oxygen Sensor [Bank 1/Sensor 1]
84
VS-/IP- (Common Ground for VS, IP)
Heated Oxygen Sensor [Bank 1/Sensor 1]
85
-
 
86
E-CVVT motor [-] control output
E-CVVT motor
87
E-CVVT motor [+] control output
E-CVVT motor
88
E-CVVT Relay power
E-CVVT Relay
89
ETC motor [+] control output
ETC motor
90
ETC motor [-] control output
ETC motor
91
-
 
92
-
 
93
-
 
94
-
 
95
Crankshaft Position Sensor (CKPS) signal input
Crankshaft Position Sensor (CKPS)
96
Camshaft Position Sensor (CMPS) [Bank 1/Intake] signal input
Camshaft Position Sensor (CMPS) [Bank 1/Intake]
97
-
 
98
-

99
Sensor power (+5V)
Electric Waste Gate Actuator (EWGA)
VCM motor
Camshaft Position Sensor (CMPS) [Bank 1/Exhaust]
100
Throttle Position Sensor (TPS) 1 signal input
Throttle Position Sensor (TPS) 1
101
Sensor power (+5V)
Throttle Position Sensor (TPS) 1,2
102
Sensor power (+5V)
Rail Pressure Sensor (RPS)
103
Sensor power (+5V)
Manifold Absolute Pressure Sensor (MAPS)#1, #2
Crankshaft Position Sensor (CKPS)
Camshaft Position Sensor (CMPS) [Bank 1/Intake]
104
Rc (Compensative Resistance)
Heated Oxygen Sensor [Bank 1/Sensor 1]
105
VS+ (NERNST Cell Voltage)
Heated Oxygen Sensor [Bank 1/Sensor 1]

Connector [B]

Terminal
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
FlexRay communication [High] signal input
Other control module, Data Link connector (DLC), Multi-purpose check connector
9
-
 
10
Brake switch [Test] signal input
Brake switch
11
-
 
12
-
 
13
Electric load signal input
Wiper motor
14
Immobilizer communication line
Smart Key Control module [With Smart Key]
Immobilizer Control module [Without Smart Key]
15
-

16
Main relay control output
Main relay
17
-
 
18
Purge Control Solenoid Valve (PCSV) control output
Purge Control Solenoid Valve (PCSV)
19
E-CVVT Relay control output
E-CVVT Relay
20
-
 
21
-
 
22
Injector (Cylinder #2) [High] control output
Injector (Cylinder #2)
23
Injector (Cylinder #2) [Low] control output
Injector (Cylinder #2)
24
-
 
25
FlexRay communication [Low] signal input
Other control module, Data Link connector (DLC), Multi-purpose check connector
26
-
 
27
Brake switch [Lamp] signal input
Brake switch
28
-
 
29
-
 
30
A/C Pressure Transducer(APT) signal input
A/C Pressure Transducer(APT)
31
Fuel Tank Pressure Sensor (FTPS) signal input
Fuel Tank Pressure Sensor (FTPS)
32
LIN communication signal input
Battery Sensor
33
Fuel pump relay control output
Fuel pump relay
34
Start control output
Start
35
Cooling fan relay [High] control output
Cooling fan relay [High]
36
-
 
37
-
 
38
Canister Close Valve (CCV) control output
Canister Close Valve (CCV)
39
Injector (Cylinder #3) [High] control output
Injector (Cylinder #3)
40
Injector (Cylinder #3) [Low] control output
Injector (Cylinder #3)
41
Battery power (B+)
Ignition switch
42
-
 
43
-
 
44
Sensor ground
Heated Oxygen Sensor [Bank 1/Sensor 2]
45
-
 
46
Sensor ground
Accelerator Position Sensor (APS) 2
47
Sensor ground
Accelerator Position Sensor (APS) 1
48
Sensor ground
Fuel Tank Pressure Sensor (FTPS)
49
-
 
50
Sensor ground
A/C Pressure Transducer(APT)
51
-

52
-
 
53
-
 
54
Engine speed signal output
Smart Key Control module
55
-
 
56
Injector (Cylinder #4) [High] control output
Injector (Cylinder #4)
57
Injector (Cylinder #4) [Low] control output
Injector (Cylinder #4)
58
Heated Oxygen Sensor [Bank 1/Sensor 2] signal input
Heated Oxygen Sensor [Bank 1/Sensor 2]
59
-

60
C-CAN [Low]
Other control module, Data Link connector (DLC), Multi-purpose check connector
61
Start signal input
Starter
62
-
 
63
-
 
64
Accelerator Position Sensor (APS) 2 signal input
Accelerator Position Sensor (APS) 2
65
Accelerator Position Sensor (APS) 1 signal input
Accelerator Position Sensor (APS) 1
66
-
 
67
-
 
68
-
 
69
-
 
70
-
 
71
Cooling fan relay [Low] control output
Cooling fan relay [High]
72
-

73
Injector (Cylinder #1) [High] control output
Injector (Cylinder #1)
74
Injector (Cylinder #1) [Low] control output
Injector (Cylinder #1)
75
Battery power (B+)
Battery
76
-

77
C-CAN [High]
Other control module, Data Link connector (DLC), Multi-purpose check connector
78
Vehicle speed signal input
ABS/ESP control module [With ABS/ ESP]
79
Sensor power (+5V)
Fuel Tank Pressure Sensor (FTPS)
A/C Pressure Transducer(APT)
80
-
 
81
Sensor power (+5V)
Accelerator Position Sensor (APS) 1
82
Sensor power (+5V)
Accelerator Position Sensor (APS) 2
83
-
 
84
Fuel Level Sender (FLS) signal input
Fuel Level Sender
85
-
 
86
CVVT Oil Control Valve (OCV) [Bank 1/Intake] control output
CVVT Oil Control Valve (OCV) [Bank 1/Intake]
87
-
 
88
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] Heater control output
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
89
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] Heater control output
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]
90
Fuel Pressure Control Valve [Low] control output
Fuel Pressure Control Valve
91
Fuel Pressure Control Valve [High] control output
Fuel Pressure Control Valve

ECM Terminal Input/ Output signal

connector [A]

Pin No.
Description
Condition
Type
Level
1
-
 
 
 
2
-
 
 
 
3
-
 
 
 
4
-
 
 
 
5
Electric Waste Gate Actuator (EWGA) DC Motor output (-)
 
 
 
6
Electric Waste Gate Actuator (EWGA) DC Motor output (+)
 
 
 
7
-
 
 
 
8
-
 
 
 
9
-
 
 
 
10
-
 
 
 
11
-
 
 
 
12
-
 
 
 
13
-
 
 
 
14
-
 
 
 
15
Electric Waste Gate Actuator (EWGA) Feedback signal
 
 
 
16
CVVT Oil Temperature Sensor (OTS) signal input
 
 
 
17
Engine Coolant Temperature Sensor (ECTS) signal input
Idle
Analog
0.5 - 4.5V
(Idle: 1.02V)
18
Manifold Absolute Pressure Sensor (MAPS)#2 signal input
 
 
 
19
Alternator "COM" PWM control output
Idle
Pulse
High : Battery voltage (B+)
Low : Max. 1.5V
Frequency: 125Hz
20
Ignition Coil (Cylinder #2) control output
Engine
running
Pulse
Vpeak = 360 - 440V
21
Ignition Coil (Cylinder #3) control output
Engine
running
Pulse
Vpeak = 360 - 440V
22
-
 
 
 
23
-
 
 
 
24
-
 
 
 
25
-
 
 
 
26
-
 
 
 
27
-
 
 
 
28
-
 
 
 
29
-
 
 
 
30
-
 
 
 
31
-
 
 
 
32
-
 
 
 
33
-
 
 
 
34
Sensor ground
Idle
DC
-0.3 - 0.5V
35
-
 
 
 
36
Sensor ground
Idle
DC
-0.3 - 0.5V
37
Sensor ground
Idle
DC
-0.3 - 0.5V
38
Sensor ground
Idle
DC
-0.3 - 0.5V
39
Rail Pressure Sensor (RPS) signal input
Idle
Analog
-0.3 - 5.2V
40
-
 
 
 
41
Ignition Coil (Cylinder #4) control output
Engine
running
Pulse
Vpeak = 360 - 440V
42
Ignition Coil (Cylinder #1) control output
Engine
running
Pulse
Vpeak = 360 - 440V
43
VCM motor [+] control output
 
 
 
44
VCM motor [-] control output
 
 
 
45
-
 
 
 
46
-
 
 
 
47
-
 
 
 
48
-
 
 
 
49
Sensor ground
Idle
DC
-0.3 - 0.5V
50
Sensor ground
Idle
DC
-0.3 - 0.5V
51
Sensor ground
Idle
DC
-0.3 - 0.5V
52
-
 
 
 
53
-
 
 
 
54
Sensor ground
Idle
DC
-0.3 - 0.5V
55
-
 
 
 
56
Sensor ground
Idle
DC
-0.3 - 0.5V
57
-
 
 
 
58
Sensor ground
Idle
DC
-0.3 - 0.5V
59
Sensor ground
Idle
DC
-0.3 - 0.5V
60
Sensor ground
Idle
DC
-0.3 - 0.5V
61
Sensor Shield
Idle
DC
-0.3 - 0.5V
62
Sensor ground
Idle
DC
-0.3 - 0.5V
63
Knock Sensor (KS) signal input
Knocking
Variable Frequency
-0.3 - 0.3V
Normal
0V
64
-
 
 
 
65
E-CVVT motor [-] control output
 
 
 
66
E-CVVT motor [+] control output
 
 
 
67
E-CVVT Relay power
 
 
 
68
-
 
 
 
69
-
 
 
 
70
-
 
 
 
71
-
 
 
 
72
-
 
 
 
73
-
 
 
 
74
Camshaft Position Sensor (CMPS) [Bank 1/Exhaust] signal input
Engine
running
Pulse
High :  4.5 - 5.5V
Low : -0.3 - 0.5V
Frequency: 7Hz (Idle), 25Hz
(3,000rpm)
75
Alternator "FR" signal input
 
 
 
76
-
 
 
 
77
Feedback signal input
 
 
 
78
-
 
 
 
79
-
 
 
 
80
Throttle Position Sensor (TPS) 2 signal input
C.T
Analog
4.2 - 5.0V
W.O.T
3.3 - 3.8V
81
Intake Temperature Sensor (IATS) signal input
Idle
Analog
0 - 5.0V (Idle: 2.55V)
82
Manifold Absolute Pressure Sensor (MAPS) signal input
Idle
Analog
0.8 - 1.6V
(Idle: 1.37V)
83
Rc/Rp (Pumping Cell Voltage)
Idle
Analog
Normal : 450±50 mV
Rich : Max. Normal+150 mV
Lean : Min Normal-150 mV
84
VS-/IP- (Common Ground for VS, IP)
Idle
Analog
Reference for V_IP, V_N
85
-
 
 
 
86
E-CVVT motor [-] control output
 
 
 
87
E-CVVT motor [+] control output
 
 
 
88
E-CVVT Relay power
 
 
 
89
ETC motor [+] control output
Engine
running
Pulse
High : Battery voltage (B+)
Low : Max.1.0V
90
ETC motor [-] control output
Engine
running
Pulse
High : Battery voltage (B+)
Low : Max.1.0V
91
-
 
 
 
92
-
 
 
 
93
-
 
 
 
94
-
 
 
 
95
Crankshaft Position Sensor (CKPS) signal input
Engine
running
Pulse
High : 4.5 - 5.5V
Low : -0.3 - 0.5V
Frequency: 850Hz (Idle), 3,000Hz (3,000rpm)
96
Camshaft Position Sensor (CMPS) [Bank 1/Intake] signal input
Engine
running
Pulse
High :  4.5 - 5.5V
Low : -0.3 - 0.5V
Frequency: 7Hz (Idle), 25Hz
(3,000rpm)
97
-
 
 
 
98
-
 
 
 
99
Sensor power (+5V)
IG OFF
DC
Max. 0.5V
IG ON
4.75 - 5.25V
100
Throttle Position Sensor (TPS) 1 signal input
C.T
Analog
0.3 - 0.9V
W.O.T
1.5 - 3.0V
101
Sensor power (+5V)
IG OFF
DC
Max. 0.5V
IG ON
4.75 - 5.25V
102
Sensor power (+5V)
IG OFF
DC
Max. 0.5V
IG ON
4.75 - 5.25V
103
Sensor power (+5V)
IG OFF
DC
Max. 0.5V
IG ON
4.75 - 5.25V
104
Rc (Compensative Resistance)
Idle
Analog
│Rc-Rc/Rp│<±0.1V
105
VS+ (NERNST Cell Voltage)
Idle
Analog
Normal : 450±50 mV
Rich : Max. Normal+150 mV
Lean : Min Normal-150 mV

Connector [B]

Pin No.
Description
Condition
Type
Level
1
ECM ground
Idle
DC
-0.3 - 0.5V
2
ECM ground
Idle
DC
-0.3 - 0.5V
3
Battery power (B+)
IG OFF
DC
Max. 1.0V
IG ON
Battery voltage (B+)
4
ECM ground
Idle
DC
-0.3 - 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
FlexRay communication [High] signal input
 
 
 
9
-
 
 
 
10
Brake switch [Test] signal input
Brake OFF
DC
Battery voltage (B+)
Brake ON
Max. 0.5V
11
-
 
 
 
12
-
 
 
 
13
Electric load signal input
Lamp OFF
DC
Battery voltage (B+)
Lamp ON
-0.3 - 0.5V
14
Immobilizer communication line
 
 
 
15
-
 
 
 
16
Main relay control output
Relay OFF
DC
Battery voltage (B+)
Relay ON
-0.3 - 1.2V
17
-
 
 
 
18
Purge Control Solenoid Valve (PCSV) control output
Inactive Active
Pulse
High : Battery voltage (B+)
Low : Max. 1.0V
Vpeak: 42.0 - 60.0V
Frequency: 20Hz
19
E-CVVT Relay control output
 
 
 
20
-
 
 
 
21
-



22
Injector (Cylinder #2) [High] control output
Engine
running
PWM

23
Injector (Cylinder #2) [Low] control output
Engine
running
Pulse

24
-
 
 
 
25
FlexRay communication [Low] signal input
 
 
 
26
-
 
 
 
27
Brake switch [Lamp] signal input
Brake OFF
DC
Max. 0.5V
Brake ON
Battery voltage (B+)
28
-
 
 
 
29
-
 
 
 
30
A/C Pressure Transducer(APT) signal input
 
 
 
31
Fuel Tank Pressure Sensor (FTPS) signal input
Idle
Analog
-0.3 - 5.2V
32
LIN communication signal input
 
 
 
33
Fuel pump relay control output
Relay OFF
DC
Battery voltage (B+)
Relay ON
-0.3 - 1.2V
34
Start control output
Relay OFF
DC
Battery voltage (B+)
Relay ON
-0.3 - 1.2V
35
Cooling fan relay [High] control output
Relay OFF
DC
Battery voltage (B+)
Relay ON
Max. 1.0V
36
-
 
 
 
37
-
 
 
 
38
Canister Close Valve (CCV) control output
Inactive Active
Pulse
High : Battery voltage (B+)
Low : Max. 1.0V
Vpeak: 42.0 - 60.0V
39
Injector (Cylinder #3) [High] control output
Engine
running
PWM

40
Injector (Cylinder #3) [Low] control output
Engine running
Pulse

41
Battery power (B+)
IG OFF
DC
Max. 1.0V
IG ON
Battery voltage (B+)
42
-
 
 
 
43
-
 
 
 
44
Sensor ground
Idle
DC
-0.3 - 0.5V
45
-
 
 
 
46
Sensor ground
Idle
DC
-0.3 - 0.5V
47
Sensor ground
Idle
DC
-0.3 - 0.5V
48
Sensor ground
Idle
DC
-0.3 - 0.5V
49
-
 
 
 
50
Sensor ground
Idle
DC
-0.3 - 0.5V
52
-
 
 
 
51
-



53
-
 
 
 
54
Engine speed signal output
Engine running
Frequency
High : Battery voltage (B+)
Low : -0.3 - 1.0V
Frequency: 21Hz (Idle), 100Hz (3,000rpm)
55
-
 
 

56
Injector (Cylinder #4) [High] control output
Engine running
PWM

57
Injector (Cylinder #4) [Low] control output
Engine running
Pulse

58
Heated Oxygen Sensor [Bank 1/Sensor 2] signal input
Idle
DC
Rich : 0.6 - 1.0V
Lean : Max. 0.4V
59
-



60
CAN [Low]
Recessive
Pulse
2.0 - 3.0V
Dominant
2.75 - 4.5V
61
Starter signal input
S/W OFF
DC
-0.3 - 0.5V
S/W ON
Battery voltage (B+)
62
-
 
 
 
63
-
 
 
 
64
Accelerator Position Sensor (APS) 2 signal input
C.T
Analog
Max. 1.0V
W.O.T
1.5 - 3.0V
65
Accelerator Position Sensor (APS) 1 signal input
C.T
Analog
Max. 1.0V
W.O.T
Min. 4.0V
66
-
 
 
 
67
-
 
 
 
68
-
 
 
 
69
-
 
 
 
70
-
 
 
 
71
Cooling fan relay [Low] control output
Relay OFF
DC
Battery voltage (B+)
Relay ON
-0.3 - 1.2V
72
-



73
Injector (Cylinder #1) [High] control output
Engine
running
PWM

74
Injector (Cylinder #1) [Low] control output
Engine
running
Pulse

75
Battery power (B+)
IG OFF
DC
Max. 1.0V
IG ON
Battery voltage (B+)
76
-



77
CAN [High]
Recessive
Pulse
2.0 - 3.0V
Dominant
2.75 - 4.5V
78
Vehicle signal input
 
 
 
79
Sensor power (+5V)
IG OFF
DC
Max. 0.5V
IG ON
4.75 - 5.25V
80
-
 
 
 
81
Sensor power (+5V)
IG OFF
DC
Max. 0.5V
IG ON
4.75 - 5.25V
82
Sensor power (+5V)
IG OFF
DC
Max. 0.5V
IG ON
4.75 - 5.25V
83
-
 
 
 
84
Fuel Level Sender
 
 
 
85
-
 
 
 
86
CVVT Oil Control Valve (OCV)
[Bank 1/Intake] control output
Idle
Pulse
High : Battery voltage (B+)
Low : -0.3 - 1.0V
Frequency: 300Hz
87
-
 
 
 
88
Heated Oxygen Sensor (HO2S)
[Bank 1/Sensor 1] Heater control output
Engine
running
Pulse
High : Battery voltage (B+)
Low : -0.3 - 1.0V
Frequency: 8 - 10Hz
Duty: 0 - 100%
89
Heated Oxygen Sensor (HO2S)
[Bank 1/Sensor 2] Heater control output
Engine
running
Pulse
High : Battery voltage (B+)
Low : -0.3 - 1.0V
Frequency: 8 - 10Hz
Duty: 0 - 100%
90
Fuel Pressure Regulator Valve [High] control output
Engine
running
PWM

91
Fuel Pressure Regulator Valve [Low] control output
Engine
running
Pulse


Repair procedures
Removal
1.

Switch "OFF" the ignition and disconnect the negative (-) battery terminal.

2.

Remove the engine side cover (A).

3.

Disconnect the ECM Connector (A).

4.

Remove the ECM bracket assembly after loosening the mounting bolt (A) and nuts (B).

ECM mounting bolt/nut:

9.8 - 11.8 N·m (1.0 - 1.2 kgf·m,7.2 - 8.7 lb·ft)

5.

Remove the ECM(B) after loosening the mounting nuts (A).

ECM bracket mounting bolt/nut:

9.8 - 11.8 N·m (1.0 - 1.2 kgf·m,7.2 - 8.7 lb·ft)

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 KDS.

(Refer to "Body Electrical System - "Immobilizer System - Repair procedures")

2)

After finishing "ECM Neutral Mode", perform "Key Teaching" procedure using KDS.

(Refer to "Body Electrical System - "Immobilizer System - Repair procedures")

[If installing a new ECM]

Perform "Key Teaching" procedure using KDS.

(Refer to "Body Electrical System - "Immobilizer System - Repair procedures")

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 KDS.

(Refer to "Body Electrical System - "Smart key System - Repair procedures")

2)

After finishing "ECM Neutral Mode", turn IGN ON then OFF using the smart key or start button. The ECM will automatically learn information on the smart key.

(Refer to "Body Electrical System - "Smart key System - Repair procedures")

[If installing a new ECM]

Turn IGN ON then OFF using the smart key or start button. The ECM will automatically learn information on the smart key.

(Refer to "Body Electrical System - "Smart key System - Repair procedures")

ETC module learning procedure

Perform ETC module learning after replacing the ETC module.

(Refer to Electronic Throttle Control System - "Adjustment")

TCM learning procedure

Perform TCM learning after replacing the PCM.

(Refer to Automatic Transaxle Control System - "Adjustment")

VIN programming procedure

VIN (Vehicle Identification Number) is a number with the vehicle's 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.

  

Check carefully before writing the VIN as it cannot be changed once programmed.

1.

Select "VIN Writing" function in "Vehicle S/W Management".

2.

Select "Write VIN" in "ID Register" menu.

3.

Enter the VIN.

  

Check carefully before writing the VIN as it cannot be changed once programmed.

Engine Control System
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ETC (Electronic Throttle Control) System
Specifications Specification [Throttle Position Sensor (TPS)] Throttle Angle(°) Output Voltage(V) [Ref=5V] TPS1 TPS2 ...

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