Engine (Diagnostics)
ENGINE CONTROL MODULE (ECM) I/O SIGNAL
5. Engine Control Module (ECM) I/O Signal
S058526
A: ELECTRICAL SPECIFICATION
S058526A08
for_01_20-57.jpg
tent
Con­nector No.
Termi­nal No.
Signal (V)
Note
Con
Ignition SWON (Engine OFF)
Engine ON (Idling)
Crankshaft position sensor
Signal (+)
B135
2
0
-7 -+7
Sensor output waveform
Signal (-)
B135
9
0
0
-
Shield
B135
10
0
0
-
Camshaft position sensor
Signal (+)
B135
1
0
-7 -+7
Sensor output waveform
Signal (-)
B135
8
0
0
-
Shield
B135
10
0
0
-
Throttle position sensor
Signal
B136
17
Fully closed: 0.2 - 1.0 Fully opened: 4.2 - 4.7
-
Power sup­ply
B136
15
5
5
-
GND (sen­sor)
B136
16
0
0
-
Rear oxy­gen sensor
Signal
B136
18
0
0 - 0.9
-
Shield
B136
24
0
0
-
GND (sen­sor)
B136
16
0
0
-
Front oxy­gen (A/F) sensor heater
Signal 1
B134
22
0- 1.0
0- 1.0
-
Signal 2
B134
23
0- 1.0
0- 1.0
-
Rear oxygen sensor heater signal
B134
21
0- 1.0
0- 1.0
-
Engine coolant tempera­ture sensor
Signal
B136
14
1.0- 1.4
1.0- 1.4
After warm-up the engine.
GND (sen­sor)
B136
16
0
0
After warm-up the engine.
Vehicle speed signal
B135
24
0 or 5
0 or 5
"5" and "0" are repeatedly dis­played when vehicle is driven.
Starter switch
B135
28
0
0
Cranking: 8 - 14
EN(SOHC)-24
ENGINE CONTROL MODULE (ECM) I/O SIGNAL
Engine (Diagnostics)
tent
Con­nector No.
Termi­nal No.
Signal (V)
Note
Con
Ignition SWON (Engine OFF)
Engine ON (Idling)
A/C switch
B135
27
ON: 10- 13 OFF: 0
ON: 13 - 14 OFF: 0
-
Ignition switch
B135
7
10- 13
13- 14
-
Neutral position switch
MT
B135
26
ON: 12¬Ī0.5 OFF: 0
On MT vehicle; Switch is ON when gear is in neutral posi­tion.
AT
B135
26
ON: 0 OFF: 12¬Ī0.5
ON AT vehicle; Switch is ON when shift is in "N" or "P" posi­tion.
Test mode connector
B135
20
5
5
When connected: 0
Knock sen­sor
Signal
B136
4
2.8
2.8
-
Shield
B136
25
0
0
-
Back-up power supply
B136
9
10- 13
13- 14
Ignition switch "OFF": 10-13
Control unit
power sup-
B136
1
10- 13
13- 14
-
ply
B136
2
10- 13
13- 14
-
Sensor power supply
B136
15
5
5
-
Line end check 1
B135
14
0
0
-
Ignition control
#1, #2
B134
25
0
1 -3.4
Waveform
#3, #4
B134
26
0
1 -3.4
Waveform
Fuel injec­tor
#1
B134
4
10- 13
1 -14
Waveform
#2
B134
13
10- 13
1 -14
Waveform
#3
B134
14
10- 13
1 -14
Waveform
#4
B134
15
10- 13
1 -14
Waveform
Idle air control solenoid valve
Signal 1
B134
5
-
1 -13
Waveform
Signal 2
B134
6
-
1 -13
Waveform
Signal 3
B134
19
-
1 -13
Waveform
Signal 4
B134
20
-
1 -13
Waveform
Power sup­ply
B136
2
10- 13
13- 14
-
Fuel pump relay control
B134
29
ON: 0.5, or less OFF: 10- 13
0.5, or less
-
A/C relay control
B134
17
ON: 0.5, or less OFF: 10- 13
ON: 0.5, or less OFF: 13- 14
-
Radiator fan relay 1 control
B134
3
ON: 0.5, or less OFF: 10- 13
ON: 0.5, or less OFF: 13- 14
-
Radiator fan relay 2 control
B134
12
ON: 0.5, or less OFF: 10- 13
ON: 0.5, or less OFF: 13- 14
With A/C vehicles only
Malfunction indicator lamp
B134
11
-
-
Light "ON": 1, or less Light "OFF": 10-14
Engine speed output
B134
30
-
0 - 13, or more
Waveform
Torque control 1 signal
B135
16
5
5
-
Torque control 2 signal
B135
17
5
5
-
Torque control cut sig­nal
B134
31
8
8
-
Purge control solenoid valve
B134
2
ON: 1, or less OFF: 10- 13
ON: 1, or less OFF: 13- 14
-
Atmo­spheric pressure sensor
Signal
B136
29
3.9 - 4.1
2.0 - 2.3
-
Power sup­ply
B136
15
5
5
GND (sen­sor)
B136
16
0
0
Fuel level sensor
B136
27
0.12 - 4.75
0.12 - 4.75
-
EN(SOHC)-25
Engine (Diagnostics)
ENGINE CONTROL MODULE (ECM) I/O SIGNAL
Content
Con­nector No.
Termi­nal No.
Signal (V)
Note
Ignition SWON (Engine OFF)
Engine ON (Idling)
AT diagnosis input sig­nal
B135
4
Less than 1 <-> More than 4
Less than 1 <-> More than 4
Waveform
Small light switch
B136
3
ON: 0 OFF: 10- 13
ON: 0 OFF: 13- 14
-
Blower fan switch
B136
30
ON: 0 OFF: 10- 13
ON: 0 OFF: 13- 14
-
Rear defogger switch
B135
21
ON: 0 OFF: 10- 13
ON: 0 OFF: 13- 14
-
Front oxygen (A/F) sen­sor signal 1
B136
19
2.8 - 3.2
2.8 - 3.2
-
Front oxygen (A/F) sen­sor signal 2
B136
6
2.4 - 2.7
2.4 - 2.7
-
Front oxygen (A/F) sen­sor signal 3
B136
7
0.2 - 4.9
0.2 - 4.9
-
Front oxygen (A/F) sen­sor signal 4
B136
20
0.2 - 4.9
0.2 - 4.9
-
Pressure sensor
B136
5
2.4 - 4.8
0.4- 1.8
-
Intake air temperature sensor
B136
13
2.3 - 2.5
1.4- 1.6
-
SSM/GST communica­tion line
B135
3
Less than 1 <-> More than 4
Less than 1 <-> More than 4
-
GND (sensors)
B136
16
0
0
-
GND (injectors)
B134
7
0
0
-
GND (ignition system)
B134
27
0
0
-
GND (power supply)
B134
8
0
0
-
GND (control systems)
B136
21
0
0
-
B136
22
0
0
-
GND (oxygen sensor heater 1)
B134
35
0
0
-
GND (oxygen sensor heater 2)
B134
34
0
0
-
EN(SOHC)-26