ECM Terminal Function (M/T) |
Pin No. |
Description |
Connected to |
1 |
Injector (Cylinder #3) [High] control output |
Injector (Cylinder #3) |
2 |
Injector (Cylinder #4) [High] control output |
Injector (Cylinder #4) |
3 |
Injector (Cylinder #2) [Low] control output |
Injector (Cylinder #2) |
4 |
- |
|
5 |
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] heater control
output |
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] |
6 |
- |
|
7 |
Supply power (+5V) |
Cruise control switch |
8 |
- |
|
9 |
- |
|
10 |
- |
|
11 |
- |
|
12 |
Immobilizer indication lamp control output |
Cluster |
13 |
- |
|
14 |
Cooling fan relay [High] control output |
Cooling fan relay [High] |
15 |
CVVT Oil Control Valve (OCV) [Bank 1/Exhaust] control output |
CVVT Oil Control Valve (OCV) [Bank 1/Exhaust] |
16 |
Injector (Cylinder #2) [High] control output |
Injector (Cylinder #2) |
17 |
Injector (Cylinder #1) [High] control output |
Injector (Cylinder #1) |
18 |
Injector (Cylinder #3) [Low] control output |
Injector (Cylinder #3) |
19 |
- |
|
20 |
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor2] heater control
output |
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] |
21 |
- |
|
22 |
- |
|
23 |
Engine Coolant Temperature Sensor (ECTS) signal input |
Engine Coolant Temperature Sensor (ECTS) |
24 |
Sensor ground |
Engine Coolant Temperature Sensor (ECTS) |
25 |
- |
|
26 |
Fuel Tank Pressure Sensor (FTPS) signal input |
Fuel Tank Pressure Sensor (FTPS) |
27 |
Fuel pump relay control output (Without Immobilizer) |
Fuel pump relay |
Canister Close Valve (CCV) control output (With Immobilizer) |
Canister Close Valve (CCV) |
|
28 |
- |
|
29 |
A/C compressor relay control output |
A/C compressor relay |
30 |
- |
|
31 |
Ignition coil (Cylinder #3) control output |
Ignition coil (Cylinder #3) |
32 |
Ignition coil (Cylinder #1) control output |
Ignition coil (Cylinder #1) |
33 |
Injector (Cylinder #1) [Low] control output |
Injector (Cylinder #1) |
34 |
Fuel Pressure Control Valve (FPCV) [High] control output |
Fuel Pressure Control Valve (FPCV) |
35 |
ETC motor [-] control output |
ETC motor |
36 |
- |
|
37 |
Knock Sensor (KS) signal input |
Knock Sensor (KS) |
38 |
Sensor ground |
Knock Sensor (KS) |
39 |
Blower switch Max. siganl input |
Heater control module |
40 |
Brake Light switch signal input |
Brake switch |
41 |
Wheel Speed Sensor [B] signal input [without ABS/ESC] |
Wheel Speed Sensor (WSS) |
42 |
Wheel Speed Sensor [A] signal input [without ABS/ESC] |
Wheel Speed Sensor (WSS) |
43 |
- |
|
44 |
- |
|
45 |
CVVT Oil Control Valve (OCV) [Bank 1/Intake] control output |
CVVT Oil Control Valve (OCV) [Bank 1/Intake] |
46 |
Ignition coil (Cylinder #4) control output |
Ignition coil (Cylinder #4) |
47 |
Ignition coil (Cylinder #2) control output |
Ignition coil (Cylinder #2) |
48 |
Injector (Cylinder #4) [Low] control output |
Injector (Cylinder #4) |
49 |
Fuel Pressure Control Valve (FPCV) [Low] control output |
Fuel Pressure Control Valve (FPCV) |
50 |
ETC motor [+] control output |
ETC motor |
51 |
- |
|
52 |
- |
|
53 |
Brake Test switch signal input |
Brake switch |
54 |
- |
|
55 |
Clutch switch signal input |
Clutch switch |
56 |
Electric load signal input [Defrost] |
Alternator |
57 |
Alternator COM signal output |
Alternator |
58 |
- |
|
59 |
Cooling fan relay [Low] control output |
Cooling fan relay |
60 |
Variable Intake Solenoid (VIS) valve control output |
Variable Intake Solenoid (VIS) valve |
Pin No. |
Description |
Connected to |
1 |
ECM ground |
Chassis ground |
2 |
ECM ground |
Chassis ground |
3 |
ECM ground |
Chassis ground |
4 |
Battery power (B+) |
Main relay |
5 |
Battery power (B+) |
Battery |
6 |
Battery power (B+) |
Battery |
7 |
Battery power (B+) |
Main relay |
8 |
Sensor ground |
Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 2] |
9 |
Accelerator Position Sensor (APS) 1 signal input |
Accelerator Position Sensor (APS) 1 |
10 |
Sensor ground |
Accelerator Position Sensor (APS) 2 |
11 |
- |
|
12 |
Sensor ground |
Fuel Tank Pressure Sensor (FTPS) |
13 |
- |
|
14 |
Throttle Position Sensor (TPS) 1 signal input |
Throttle Position Sensor (TPS) 1 |
15 |
- |
|
16 |
- |
|
17 |
Fuel Level signal input |
Fuel Level Sender (FLS) |
18 |
Sensor power (+5V) |
Accelerator Position Sensor (APS) 2 |
19 |
- |
|
20 |
Sensor power (+5V) |
Rail Pressure Sensor (RPS) |
A/C Pressure Transducer (APT) |
||
21 |
- |
|
22 |
Wiper switch signal input |
Wiper switch |
23 |
- |
|
24 |
Alternator PWM signal output |
Alternator |
25 |
- |
|
26 |
- |
|
27 |
- |
|
28 |
- |
|
29 |
Ignition switch signal input |
|
30 |
Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 2] signal
input |
Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 2] |
31 |
Accelerator Position Sensor (APS) 2 signal input |
Accelerator Position Sensor (APS) 2 |
32 |
Sensor ground |
Accelerator Position Sensor (APS) 1 |
33 |
- |
|
34 |
- |
|
35 |
Sensor ground |
Throttle Position Sensor (TPS) |
36 |
Throttle Position Sensor (TPS) 2 signal input |
Throttle Position Sensor (TPS) 2 |
37 |
- |
|
38 |
- |
|
39 |
Sensor power (+5V) |
Throttle Position Sensor (TPS) 1,2 |
40 |
Sensor power (+5V) |
Accelerator Position Sensor (APS) 1 |
41 |
Sensor power (+5V) |
Manifold Absolute Pressure Sensor (MAPS) |
Fuel Tank Pressure Sensor (FTPS) |
||
42 |
Sensor power (+5V) |
Camshaft Position Sensor (CMPS) [Bank 1 / Intake] |
Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust] |
||
43 |
A/C switch input |
A/C control module |
44 |
A/C pressure switch |
A/C control module |
45 |
A/C Pressure Transducer (APT) signal input |
A/C Pressure Transducer (APT) |
46 |
Vehicle speed signal input |
Vehicle Speed Sensor |
47 |
- |
|
48 |
- |
|
49 |
- |
|
50 |
Malfunction Indicator Lamp (MIL) control output |
Malfunction Indicator Lamp (MIL) |
51 |
- |
|
52 |
VS-/IP- (Common Ground for VS, IP) |
Heated Oxygen Sensor [Bank 1/Sensor 1] |
53 |
Rc/Rp (Pump Cell Voltage) |
Heated Oxygen Sensor [Bank 1/Sensor 1] |
54 |
- |
|
55 |
- |
|
56 |
Ground |
Cruise Control Switch |
57 |
- |
|
58 |
Rail Pressure Sensor (RPS) signal input |
Rail Pressure Sensor (RPS) |
59 |
Cruise Control Switch signal input |
Cruise Control Switch |
60 |
Start signal input |
PDM module |
61 |
LIN communication signal input |
Battery sensor |
62 |
- |
|
63 |
CAN [Low] |
Other control module, Data Link Connector (DLC), Multi-Purpose
Check Connector |
64 |
Sensor ground |
Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust] |
65 |
Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust] signal input |
Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust] |
66 |
- |
|
67 |
Crankshaft Position Sensor (CKPS) [B] signal input |
Crankshaft Position Sensor (CKPS) |
68 |
- |
|
69 |
- |
|
70 |
- |
|
71 |
- |
|
Removal
1.
Remove the under cover.
2.
Remove the mounting nut and disconnect the horn connector, then
remove the horn (A).
...
Compressor Removal
1.
If the compressor is marginally operable, run the engine at idle
speed, and let the air conditioning work for a few minutes, then shut
the engine off.
...
Signal Waveform
...