Engine (Diagnostics)
ENGINE CONTROL MODULE (ECM) I/O SIGNAL
5. Engine Control Module (ECM) I/O Signal
S088526
A: ELECTRICAL SPECIFICATION
S088526A08
for_01_24-62.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
11
0
0
—
Shield
B135
21
0
0
—
Camshaft position sensor
Signal (+)
B135
1
0
-7 —+7
Sensor output waveform
Signal (-)
B135
10
0
0
—
Shield
B135
21
0
0
—
Throttle position sensor
Signal
B135
7
Fully closed: 0.2 — 1.0 Fully opened: 4.2 — 4.7
—
Power sup­ply
B135
9
5
5
—
GND (sen­sor)
B135
19
0
0
—
Rear oxy­gen sensor
Signal
B135
17
0
0 — 0.9
—
Shield
B135
26
0
0
—
GND (sen­sor)
B135
19
0
0
—
Front oxy­gen (A/F) sensor heater
Signal 1
B137
4
0— 1.0
0— 1.0
—
Signal 2
B137
5
0— 1.0
0— 1.0
—
Rear oxygen sensor heater signal
B136
13
0— 1.0
0— 1.0
—
Engine coolant tempera­ture sensor
Signal
B135
18
1.0— 1.4
1.0— 1.4
After warm-up the engine.
GND (sen­sor)
B135
19
0
0
After warm-up the engine.
Vehicle speed signal
B134
1
0 or 5
0 or 5
"5" and "0" are repeatedly dis­played when vehicle is driven.
EN(DOHC TURBO)-26
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)
Mass air flow sensor
Signal
B84
13
—
0.3 — 4.5
—
Shield
B84
8
0
0
—
GND
B84
7
0
0
—
Intake air temperature sensor signal
B135
27
—
—
—
Exhaust gas tem­perature sensor
Signal
B135
16
—
—
—
GND (sensor)
B135
19
0
0
—
Tumble generator valve posi­tion sensor RH
Signal
B84
23
Fully closed: 0.2 — 1.0 Fully opened: 4.2 — 4.7
—
Power sup­ply
B135
9
5
5
—
GND (sensor)
B135
19
0
0
—
Tumble generator valve posi­tion sensor LH
Signal
B84
13
Fully closed: 0.2— 1.0 Fully opened: 4.2 — 4.7
—
Power sup­ply
B135
9
5
5
—
GND (sensor)
B135
19
0
0
—
Tumble generator valve RH (open)
B84
4
0 or 5
0 or 5
—
Tumble generator valve RH (close)
B84
5
0 or 5
0 or 5
—
Tumble generator valve LH (open)
B84
11
0 or 5
0 or 5
—
Tumble generator valve LH (close)
B84
10
0 or 5
0 or 5
—
Wastegate control sole­noid valve
B137
24
10— 13
13— 14
—
Starter switch
B134
16
0
0
Cranking: 8 — 14
A/C switch
B134
6
ON: 10— 13 OFF: 0
ON: 13 — 14 OFF: 0
—
Ignition switch
B134
14
10— 13
13— 14
—
Neutral position switch
MT
B135
8
ON: 12±0.5 OFF: 0
Switch is ON when gear is in neutral position.
AT
B135
8
ON: 0 OFF: 12±0.5
Switch is ON when shift is in "N" or "P" position.
Test mode connector
B134
5
5
5
When connected: 0
Knock sen­sor
Signal
B135
4
2.8
2.8
—
Shield
B135
22
0
0
—
Back-up power supply
B137
10
10— 13
13— 14
Ignition switch "OFF": 10—13
Control unit
power sup-
B137
2
10— 13
13— 14
—
ply
B137
3
10— 13
13— 14
—
Sensor power supply
B135
9
5
5
—
Line end check 1
B134
10
0
0
—
Ignition control
Si
B136
24
0
13— 14
Waveform
#2
B136
23
0
13— 14
Waveform
#3
B136
22
0
13— 14
Waveform
#4
B136
21
0
13— 14
Waveform
EN(DOHC TURBO)-27
Engine (Diagnostics)
ENGINE CONTROL MODULE (ECM) I/O SIGNAL
tent
Con­nector No.
Termi­nal No.
Signal (V)
Note
Con
Ignition SWON (Engine OFF)
Engine ON (Idling)
Fuel injec­tor
#1
B137
1
10— 13
1 — 14
Waveform
#2
B136
6
10— 13
1 — 14
Waveform
#3
B136
5
10— 13
1 — 14
Waveform
#4
B136
4
10— 13
1 — 14
Waveform
Idle air control solenoid valve
Signal
B136
10
0or 13— 14
0or 13 —14
Waveform
A/C relay control
B137
27
ON: 0.5, or less OFF: 10— 13
ON: 0.5, or less OFF: 13— 14
—
Radiator fan relay 1 control
B137
17
ON: 0.5, or less OFF: 10— 13
ON: 0.5, or less OFF: 13— 14
—
Radiator fan relay 2 control
B137
28
ON: 0.5, or less OFF: 10— 13
ON: 0.5, or less OFF: 13— 14
With A/C vehicles only
Malfunction indicator lamp
B137
15
—
—
Light "ON": 1, or less Light "OFF": 10—14
Engine speed output
B136
9
—
0 — 13, or more
Waveform
Purge control solenoid valve
B137
16
ON: 1, or less OFF: 10— 13
ON: 1, or less OFF: 13— 14
—
Pressure sensor
Signal
B135
8
1.7 — 2.4
1.1 — 1.6
—
Power sup­ply
B135
9
5
5
GND (sen­sor)
B135
19
0
0
Fuel level sensor
B135
25
0.12 — 4.75
0.12 — 4.75
—
Small light switch
B134
17
ON: 0 OFF: 10— 13
ON: 0 OFF: 13— 14
—
Blower fan switch
B134
9
ON: 0 OFF: 10— 13
ON: 0 OFF: 13— 14
—
Rear defogger switch
B134
3
ON: 0 OFF: 10— 13
ON: 0 OFF: 13— 14
—
Power steering oil pres­sure switch
B135
24
10— 13
ON: 0 OFF: 13— 14
—
Front oxygen (A/F) sen­sor signal (+)
B137
19
2.8 — 3.2
2.8 — 3.2
—
Front oxygen (A/F) sen­sor signal (-)
B137
29
2.4 — 2.7
2.4 — 2.7
—
Front oxygen (A/F) sen­sor shield
B136
7
0
0
—
SSM/GST communica­tion line
B134
21
Less than 1 <—> More than 4
Less than 1 <—> More than 4
—
GND (sensors)
B135
19
0
0
—
GND (injectors)
B136
8
0
0
—
GND (ignition system)
B136
18
0
0
—
GND (power supply)
B136
17
0
0
—
B134
22
0
0
—
GND (control systems)
B134
7
0
0
—
B134
15
0
0
—
GND (oxygen sensor heater 1)
B137
9
0
0
—
GND (oxygen sensor heater 2)
B137
8
0
0
—
EN(DOHC TURBO)-28