Pin
|
Component/function
|
In/Out
|
Test conditions
|
Across
|
Test reading
|
See
|
1
|
Main relay, 87
|
In
|
|
B+ to 1
|
<0.5 V
|
|
2
|
Oxygen sensor 2, pre-heating
|
Out
|
Idling Coolant temperature above 50°C
|
2-25
|
approx. 0.3 V
|
|
3
|
Not connected
|
|
|
|
|
|
4
|
Relay. A/C compressor
|
Out
|
Idle
A/C on
|
4-25
|
<0.5 V
|
|
5
|
Cruise B
|
In
|
Position ON/OFF
|
5-25
|
0 V
B+
|
|
6
|
Combustion cyl. 3+4
|
In
|
Idle
|
6-25
|
15-90 Hz
(LP LO HIp)
|
|
7
|
Trigger 1
|
Out
|
Idle
|
7-25
|
7 Hz
14 ms (-)
(LP HI LOp)
|
|
8
|
Trigger 4
|
Out
|
Idle
|
8-25
|
7 Hz
14 ms (-)
(LP HI LOp)
|
|
9
|
Pedal position sensor 2
|
In
|
Pedal released
Pedal fully depressed
|
Use diagnostic tool
|
0.355 - 1.010 V
3.945-4.600 V
|
|
10
|
Throttle position sensor 2
|
In
|
Throttle closed
Throttle fully open
|
10-70
|
3.910- 4.935 V
0.025-1.070 V
|
|
11
|
Manifold absolute pressure sensor
|
In
|
|
11-22
|
2.1 V at 100 kPa
|
|
12
|
Not connected
|
|
|
|
|
|
13
|
Charge air control valve
|
Out
|
|
13-25
|
32 Hz
2 % (-)
0.5 ms (-)
(LP HI LOp)
|
|
14
|
Not connected
|
|
|
|
|
|
15
|
Intake air temperature
|
In
|
|
15-22
|
Approx. 2.4 V at 20°C
|
|
16
|
Not connected
|
|
|
|
|
|
17
|
Crankshaft position sensor
|
In
|
Idle
Starter motor cranking
|
17-18
|
5-15 V~
approx. 800 Hz
LP HI LO
>2.0V~
|
|
18
|
Crankshaft position sensor
|
In
|
Idle
Starter motor cranking
|
17-18
|
5-10 V~
approx. 800 Hz
LP HI LO
>2.0V~
|
|
19
|
P-bus -
|
In/Out
|
|
19-25
|
2-3 V
(LP PHI LO)
|
|
20
|
Not connected
|
|
|
|
|
|
21
|
Not connected
|
|
|
|
|
|
22
|
Sensor ground
|
Out
|
|
22-25
|
< 0.1 V
|
|
23
|
+30
|
In
|
|
B+ to 23
|
< 0.5
|
|
24
|
Throttle motor -
|
Out
|
|
48-24
|
600 Hz
LP HI LO
|
|
25
|
Power ground
|
In
|
|
25- B-
|
< 0.1 V
|
|
26
|
Main relay
|
Out
|
10 s after ignition off
|
26-25
|
<0.5 V
B+
|
|
27
|
EVAP canister purge valve
|
Out
|
Idling, warm engine and valve active
|
27-25
|
16 Hz
(LP HI LOp)
|
|
28
|
Not connected
|
|
|
|
|
|
29
|
Pedal switch, brake/clutch
|
In
|
Automatic position D
Brake or clutch pedal depressed
|
29-25
|
B+
0 V
|
|
30
|
Cruise C
|
In
|
Position ON/OFF
|
30-25
|
0 V
B+
|
|
31
|
Not connected
|
|
|
|
|
|
32
|
Not connected
|
|
|
|
|
|
33
|
Throttle position sensor 1
|
In
|
Throttle closed
Throttle fully open
|
33-70
|
0.065-1.090 V
3.930-4.775 V
|
|
34
|
Oxygen sensor 1
|
In
|
Idling, warm engine, closed loop active
|
34-58
|
0-1 V
|
|
35
|
Charge air absolute pressure sensor
|
In
|
|
35-70
|
2.1 V (100 kPa)
|
|
36
|
Relay, limp-home solenoid
|
Out
|
|
36-25
|
B+
|
|
37
|
EVAP shut-off valve (certain markets only)
|
Out
|
Activate ON
|
37-25
|
B+
<0.5 V
|
|
38
|
Knock signal
|
In
|
|
38-25
|
2.5 V
|
|
39
|
Coolant temperature sensor
|
In
|
|
39-22
|
1.0 V (90°C)
|
|
40
|
Not connected
|
|
|
|
|
|
41
|
Not connected
|
|
|
|
|
|
42
|
Not connected
|
|
|
|
|
|
43
|
+15
|
In
|
Ignition OFF
|
43-25
|
B+
<0.5 V
|
|
44
|
Injector 2
|
Out
|
Idle
|
44-25
|
7 Hz
2.5-4.5 ms (-)
(LP HI LOp)
|
|
45
|
Injector 1
|
Out
|
Idle
|
45-25
|
7 Hz
2.5-4.5 ms (-)
(LP HI LOp)
|
|
46
|
5 V
|
Out
|
|
46-70
|
5 V
|
|
47
|
Power ground
|
In
|
|
47-B-
|
< 0.1 V
|
|
48
|
Throttle motor +
|
Out
|
|
48-24
|
600 Hz
LP HI LO
|
|
49
|
Oxygen sensor 1, pre-heating
|
Out
|
Idle
|
49-25
|
approx. 0.3 V
|
|
50
|
Fuel pump relay
|
Out
|
Starter motor cranking
|
50-25
|
B+
<0.5 V
|
|
51
|
Control valve, bypass
|
Out
|
Rev up engine and release accelerator pedal
Acceleration under load
|
51-25
|
B+
<0.5 V
|
|
52
|
Cruise A
|
In
|
Position ON/OFF
|
52-25
|
0 V
B+
|
|
53
|
Combustion cyl. 1+2
|
In
|
Idle
|
53-25
|
15-90 Hz
(LP LO HIp)
|
|
54
|
Trigger 2
|
Out
|
Idle
|
54-25
|
7 Hz
14 ms (-)
(LP HI LOp)
|
|
55
|
Trigger 3
|
Out
|
Idle
|
55-25
|
7 Hz
14 ms (-)
(LP HI LOp)
|
|
56
|
Pedal position sensor 1
|
In
|
Pedal released
Pedal fully depressed
|
56-70
|
3.990- 4.645 V
0.400-1.055 V
|
|
57
|
Oxygen sensor 2
|
In
|
Idling, warm engine, closed loop active
|
57-58
|
0-1 V
|
|
58
|
Reference ground, oxygen sensor
|
In
|
|
58-25
|
< 0.1 V
|
|
59
|
EVAP tank pressure valve (certain markets only)
|
In
|
Filler cap released and fuel level below sensor
|
59-22
|
2.5 V
|
|
60
|
Not connected
|
|
|
|
|
|
61
|
Not connected
|
|
|
|
|
|
62
|
Not connected
|
|
|
62-B-
|
< 0.1 V
|
|
63
|
Brake lights (not cars with ESP)
|
In
|
Brake pedal depressed
|
63-25
|
0 V
B+
|
|
64
|
Vehicle speed (not cars with ESP)
|
In
|
Rotate front left wheel 1/2 rps
|
64-25
|
15 Hz
50 %
(LP HIp LOp)
|
|
65
|
Mass air flow sensor
|
In
|
Idling,
Engine warm,
A/C off,
electric consumers turned off
|
65-25
|
Approx. 2.1 kHz
|
|
66
|
P-bus +
|
In/Out
|
|
66-25
|
2-3 V
(LP PHI LO)
|
|
67
|
Injector 3
|
Out
|
Idle
|
67-25
|
7 Hz
2.5-4.5 ms (-)
(LP HI LOp)
|
|
68
|
Injector 4
|
Out
|
Idle
|
68-25
|
7 Hz
2.5-4.5 ms (-)
(LP HI LOp)
|
|
69
|
5 V
|
Out
|
|
69-22
|
5 V
|
|
70
|
Sensor ground
|
Out
|
|
70-25
|
< 0.1 V
|
|