EEC-IV Wiring Information
|
Pin No |
Wire Colour |
Purpose |
Voltage |
1 |
|
Keep Alive Power |
Battery +12V |
2 |
|
Not used |
|
3 |
|
Vehicle Speed Sensor |
10V Square wave when driving |
4 |
|
Smartlock Immobilisation Signal |
0V-12V Bus Signal |
5 |
|
Ignition Power |
12V with Ignition On |
6 |
|
Not Used |
|
7 |
|
Engine Coolant Temp |
20*C-3.1V, 40*C-2.2V, 100*C-0.5V |
8 |
|
Not Used |
|
9 |
|
Not Used |
|
10 |
|
Airconditioning Clutch On |
12V Aircon On, 0V Aircon Off |
11 |
|
Trans Lock Up solenoid (S7) |
12V Lockup |
12 |
|
Economy Indicator Lamp |
0V Power Lamp On |
13 |
|
Not Used |
|
14 |
|
Transmission Solenoid (S6) |
12V Ignition On |
15 |
|
Not Used |
|
16 |
|
Ground |
0V |
17 |
|
Self Test Output (STO) |
PWM signal 0V-12V |
18 |
|
Not Used |
|
19 |
|
Not Used |
|
20 |
|
Case Ground |
0V |
21 |
|
Idle Speed Control |
+8V to +11V Engine Running |
22 |
|
Fuel Pump Control |
0V-1V Engine Running |
23 |
|
Not Used |
|
24 |
|
Not Used |
|
25 |
|
Intake Air Temperature Sensor |
0*C 3.9V, 20*C 3,1V, 40*C 2.2V |
26 |
|
Sensor Reference Voltage |
+5Volt output |
27 |
|
Auto Trans Power/Econ Switch |
Economy 12V, Power 0V |
28 |
|
Power Steering Pressure Switch |
0V No Load, 12V Steering Load |
29 |
|
HEGO (Oxygen Sensor) Input |
0.1V - 0.8V with Engine Running |
30 |
|
Transmission Position |
[p]3.8V-4.2V, [R]3.3V-3.7V, [N]2.8V-3.2V, [D]2.3V-2.7V, [3]1.8V-2.2V, [2]1.3V-1.7V, [1]0.8V-1.2V Manual Transmission, Neutral 0V-0.1V, In gear 5Volts |
31 |
|
Canister Purge |
8V-10V with Engine Running @2200RPM for 20Sec |
32 |
|
Recirculation Solenoid |
12V Outside Air, Recirc 1.0V |
33 |
|
Electric Fan 2 Output |
Relay 2 & 3 Off 12V, Relay 2 & 3 On 0V |
34 |
|
Data Output Link |
PWM Data for trip computer |
35 |
|
Automatic Transmission Solenoid (S3) |
0V-12V |
36 |
|
SPOUT (Spark Output) Ignition |
7V average with Engine Running |
37 |
|
Ignition Power |
12V with Ignition On |
38 |
|
Auto Trans Variable Pressure Solenoid (S5) |
10V - 14V with Engine Running |
39 |
|
Not Used |
|
40 |
|
Ground |
0Volts |
41 |
|
Not Used |
|
42 |
|
Transmission Oil Temp |
20*C-3.5V, Normal Op Temp 1.0-3.6V |
43 |
|
A/C Evaporator Air Temp |
20*C 1.5V-2.0V |
44 |
|
Not Used |
|
45 |
|
MAP Manifold Absolute Pressure sensor |
Engine Running 100Hz - 105Hz |
46 |
|
Signal Ground |
0Volts |
47 |
|
Throttle Position Sensor |
0.7V closed, 4.5V WOT (Wide Open) |
48 |
|
Self Test Input |
0Volts for Self Test, 5V Normal operation |
49 |
|
HEGO Ground |
0Volts |
50 |
|
Not Used |
|
51 |
|
Auto Trans Gear Select Solenoid (S1) |
0Volts off, 12V On |
52 |
|
Auto Trans Gear Select Solenoid (S1) |
0Volts off, 12V On |
53 |
|
Not Used |
|
54 |
|
A/C Relay |
0Volts A/C On, 12Volts A/C Off |
55 |
|
Automatic Transmission Solenoid (S4) |
0Volts Off, 12V On |
56 |
|
PIP Profile Ignition Pick Up |
0V - 12V on Ignition PIP |
57 |
|
Ignition Power |
0Volts Off, 12V Ignition On |
58 |
|
Fuel Injection Ignition Bank 1,3,5 |
PWM On Fuel Injection |
59 |
|
Fuel Injection Ignition Bank 2,4,6 |
0Volts Off, 12V On |
60 |
|
Ground |
0Volts |