|
|
Test scope |
Test connection
|
Test condition |
Nominal value |
Possible cause/remedy |
1.0 |
P 0 5 6 0 |
Engine control module
(ME-SFI) (N3/10)
Voltage supply
Circuit 30 U |
3
(3A) |
N3/10
|
12
(4b)
|
Ignition: ON
|
11 - 14 V
|
1.1
1.2
|
1.1 |
|
Ground wire,
Output ground |
N3/10
3
(3A)
7
(7A)
112
(8f)
119
(15f)
|
|
X11/4
2
X11/4
2
X11/4
2
X11/4
2
|
Ignition: ON |
11 - 14 V |
Wiring,
Models 202, 208, 210:
Output ground (W16/6), right component compartment.
Model 163:
Ground (W16), component compartment.
1.2
|
1.2 |
|
Voltage supply
Circuit 30 |
X11/4
1 |
N3/10
|
12
(4b)
|
Ignition: ON |
11 - 14 V |
Wiring,
Passenger-side fuse and relay module (K40/4).
or
Fuse and relay box (F1).
|
2.0 |
P 0 5 6 0
|
Engine control module
(ME-SFI) (N3/10)
Voltage supply
Circuit 87 U
|
8
(8A) |
N3/10
|
2
(2A)
|
Ignition: ON |
11 - 14 V |
2.1 - 2.2 |
2.1 |
|
Electronics ground |
8
(8A) |
N3/10
|
X11/4
2 |
Ignition: ON |
11 - 14 V |
Wiring,
Models 202, 208, 210
Output ground (W16/6), right component compartment.
Model 163:
Ground (W16), component compartment.
|
2.2 |
|
Voltage supply
Circuit 87 |
X11/4
1 |
N3/10
|
12
(2A)
|
Ignition: ON
Model 163:
Connect socket 4 to 16-pole test connector
Ignition: OFF |
11 - 14 V
< 1 V
|
Wiring,
Passenger-side fuse and relay module (K40/4).
or
Fuse and relay box (F1).
|
3.0 |
|
Starter relay
Models 202, 208, 210:
(K40/4k2) in passenger-side fuse and relay module box (K40/4)
Model 163:
(F1k8) in fuse and relay box
Activation |
35
(3d) |
N3/10
|
2
(2A)
|
ECT temperature
> 20 ° C
Vehicle with AT
Ignition/starter switch (S2/1): position 3
(start position): crank engine briefly |
11 - 14 V
or if engine does not start in approx. 5 seconds.
|
3.1 ,
Engine control module (N3/10) |
3.1 |
|
Starter signal circuit 50 |
8
(8A) |
N3/10
|
32
(40C)
|
Engine: Start |
11 - 14 V
while starting. |
Wiring,
Ignition/starter switch (S2/1) |
4.0 |
P 0 1 0 0 |
Hot film MAF
sensor (B2/5)
Hot film signal
|
104
|
N3/10
|
103
(47E) |
Ignition: ON
Engine: at Idle
Engine coolant
temperature >70°C
|
0.9 - 1.1 V
1.3 - 1.7 V
Increasing rpm, increasing voltage. |
4.1 - 4.3 ,
Wiring,
Air intake system leak,
B2/5
|
4.1 |
|
Hot film MAF sensor (B2/5)
Voltage supply 5 V |
N3/10
104
(48E) |
|
B2/5
4
|
Disconnect MAF sensor (B2/5) connector and measure directly on socket 4 (brown/yellow).
Ignition: ON
|
4.7 - 5.2 V |
Wiring,
N3/10 |
4.2 |
|
Ground wire for hot film MAF sensor (B2/5) |
B2/5
3
|
|
N3/10
102
(46E) |
Disconnect MAF sensor (B2/5) connector and measure directly on socket 3 (brown).
Ignition: ON
|
4.7 - 5.2 V |
Wiring. |
4.3 |
|
Hot film MAF sensor (B2/5)
Voltage supply 12 V |
N3/10
104
(48E) |
|
B2/5
2
(2)
|
Disconnect MAF sensor (B2/5) connector and connect plus of voltmeter to socket 2 (red/blue).
Ignition: ON
|
11 - 14 V |
Wiring,
Passenger-side fuse and relay module (K40/4).
or
Fuse and relay box (F1f11).
|
5.0 |
P 0 1 1 0 |
IAT sensor in hot film MAF sensor (B2/5)
Voltage |
104
(48E) |
N3/10
|
101
(45E) |
Ignition: ON |
°C |
V |
5.1
N3/10 |
10 |
3.1 |
20 |
2.7 |
30 |
2.2 |
40 |
1.8 |
50 |
1.4 |
60 |
1.1 |
± 5% |
5.1 |
|
IAT sensor
Resistance |
104
(48E) |
N3/10
|
101
(45E) |
Ignition: OFF
Disconnect connector E
on engine control
module (N3/10). |
°C |
|
Wiring,
B2/5 |
10 |
3600 |
20 |
2420 |
30 |
1660 |
40 |
1170 |
50 |
850 |
60 |
600 |
± 5% |
6.0 |
P 0 1 0 5 |
Only
Pressure sensor (B28)
Sensor signal
|
80
(24e) |
N3/10
|
79
(23E) |
Connect vacuum tester to pressure sensor (B28) using Y-fitting
(see Figure 1).
Ignition: ON
Engine: at Idle
|
> 3.5 V
< 2 V and vacuum climbs to > 500 mbar.
|
Vacuum line,
Wiring,
B28,
N3/10 |
|
|
Pressure sensor (B28)
Voltage supply
|
80
(24e) |
N3/10
|
78
(22E)
|
Ignition: ON
|
4.7 - 5.3 V |
|
7.0 |
|
FP relay module
Models 202/208/210: (K27)
Model 163:
(F1k3) in fuse and relay
box
Activation
Current draw (K27) or (F1k3) |
21
(29c)
8
(8A) |
|
2
(2A)
21
(29c)
|
Ignition: ON
The activation of the FP occurs only once after ignition "ON". For the next activation, the engine must have run briefly.
Engine: Start
Ignition: ON |
11 - 14 V for
approx.
1 sec.
11 - 14 V
during cranking
and while
engine runs.
0.1 - 0.3 A |
Fuses,
Wiring,
K27 or F1k3,
N3/10 |
8.0 |
P 0 1 1 5 |
ECT sensor (B11/4)
Voltage |
84
(28e) |
N3/10
|
85
(29e) |
Ignition: ON |
°C
|
V |
8.1 ,
N3/10 |
20 |
3.4 |
30 |
2.9 |
40 |
2.4 |
50 |
1.9 |
60 |
1.5 |
70 |
1.2 |
80 |
0.9 |
90 |
0.7 |
100 |
0.5 |
±5 % |
8.1 |
|
Resistance (B11/4) |
84
(28e) |
N3/10
|
85
(29e) |
Ignition: OFF
Disconnect connector E
on engine control
module (N3/10). |
°C
|
|
Wiring,
8.2 |
20 |
3090 |
30 |
2000 |
40 |
1330 |
50 |
900 |
60 |
630 |
70 |
440 |
80 |
320 |
90 |
230 |
100 |
170 |
±5 % |
8.2 |
|
ECT sensor (B11/4)
Resistance |
1 |
B11/4
|
2 |
Disconnect connector on ECT sensor (B11/4). |
°C
|
|
B11/4
|
20 |
3090 |
30 |
2000 |
40 |
1330 |
50 |
900 |
60 |
630 |
70 |
440 |
80 |
320 |
90 |
230 |
100 |
170 |
±5 % |
9.0 |
|
Engine control module (N3/10)
TN-signal output |
8
(8A)
8
(8A) |
|
30
(38c)
30
(38c)
|
Test with oscilloscope.
Engine: Start or
Engine: at Idle
Test with multimeter only if oscilloscope is not available. |
Signal: see
Figure 2.
7.5 - 9.0 V |
Wiring,
N3/10 |
10.0 |
P 0 1 5 0
P 0 1 5 3
P 0 1 6 0 |
Left O2S 1
(before TWC) (G3/3)
O2S signal |
26
(34c) |
N3/10
|
25
(33c) |
If ECT > 80 ° C, run engine at idle for at least two minutes.
|
fluctuates from - 0.2 V to + 1.0
V, by more than 0.3 V
|
12.0 ,
Wiring,
G3/3 |
11.0 |
P 0 1 3 0
P 0 1 3 3
P 0 1 4 0 |
Right O2S 1
(before TWC) (G3/4)
O2S signal |
23
(31c) |
N3/10
|
24
(32c)
|
If ECT > 80 ° C, run engine at idle for at least two minutes. |
fluctuates from - 0.2 V to + 1.0
V, by more than 0.3 V |
13.0 ,
Wiring,
G3/4 |
12.0 |
P 0 1 5 5
|
Left O2S 1
(before TWC) (G3/3)
O2S heater
Activation |
1
(1a) |
N3/10
|
2
(2A) |
If ECT > 80° C, run engine at idle for at least 2 minutes.
|
11 - 14 V
|
Fuses,
Wiring,
G3/3,
N3/10 |
|
|
O2S 1 (G3/3)
Current draw |
3
(3A) |
N3/10
|
1
(1a)
|
Disconnect connector A on engine control
module N3/10
Ignition: ON
|
1.0 - 4.5 A |
|
13.0 |
P 0 1 3 5
|
Right O2S 1
(after TWC) (G3/4)
O2S heater
Activation |
5
(5a) |
N3/10
|
2
(2A) |
If ECT > 80° C, run engine at idle for at least 2 minutes.
|
11 - 14 V
|
Fuses,
Wiring,
G3/4,
N3/10 |
|
|
O2S 2 (G3/4)
Current draw |
3
(3A) |
N3/10
|
5
(5a)
|
Disconnect connector A on engine control
module N3/10
Ignition: ON
|
1.0 - 4.5 A |
|
14.0 |
P 0 1 5 6
P 0 1 6 0
|
Only
Left O2S 2
(after TWC) (G3/5)
O2S signal |
42
(10d) |
N3/10
|
41
(9d) |
If ECT > 80° C, run engine at 2000-3000 rpm for approx. 2 minutes.
|
The mV range of 450 - 500 mV must be exceeded or not attained within 1 minute.
|
16.0 ,
Wiring,
G3/5,
N3/10 |
|
|
|
3
(3A)
3
(3A) |
|
66
(10e)
20
(28c) |
Engine: at Idle
Bridge sockets on socket box. |
Air pump runs.
Voltage changes within 60 seconds to
< 40 mV
|
|
15.0 |
P 0 1 3 6
|
Only
Right O2S 2
(after TWC) (G3/6)
O2S signal |
39
(7d) |
N3/10
|
40
(8d) |
If ECT > 80° C, run engine at 2000-3000 rpm for approx. 2 minutes.
|
The mV range of 450 - 500 mV must be exceeded or not attained within 1 minute. |
17.0 ,
Wiring,
G3/6,
N3/10 |
|
|
|
3
(3A)
3
(3A) |
|
60
(10e)
20
(28c) |
Engine: at Idle
Bridge sockets on socket box. |
Air pump runs.
Voltage changes within 60 seconds to
< 40 mV
|
|
16.0 |
P 0 1 6 1
|
Only
Left O2S 2
(after TWC) (G3/5)
O2S heater
Activation |
10
(2b) |
N3/10
|
2
(2A) |
Engine: at Idle
If ECT > 80° C, run engine at idle for at least 2 minutes.
|
11 - 14 V
or voltage fluctuates between 11 - 14 V. |
Fuses,
Wiring,
G3/5,
N3/10 |
|
|
O2S 2 (G3/5)
Current draw |
3
(3A) |
N3/10
|
10
(2b)
|
Disconnect connector B on engine control module N3/10
Ignition: ON
|
1.0 - 4.5 A |
|
17.0 |
P 0 1 4 1
|
Only
Right O2S 2
(after TWC) (G3/6)
O2S heater
Activation |
9
(1b) |
N3/10
|
2
(2A) |
Engine: at Idle
If ECT > 80° C, run engine at idle for at least 2 minutes.
|
11 - 14 V
or voltage fluctuates between 11 - 14 V. |
Fuses,
Wiring,
G3/6,
N3/10 |
|
|
O2S 2 (G3/6)
Current draw |
3
(3A) |
N3/10
|
9
(1b)
|
Disconnect connector B on engine control module
Ignition: ON
|
1.0 - 4.5 A |
|
18.0 |
P 0 2 0 1 |
Injector (Y62y1)
Activation and injection time |
81
(25e) |
N3/10
|
2
(2A) |
ECT approx. 20° C
at start:
ECT approx. 80° C
at idle:
accelerate briefly: |
Injection time:
approx. 8 ms
approx. 3 - 5 ms
approx. 14 ms
(signal: see Figures 3 and 4)
|
Fuses,
Wiring,
Y62y1,
N3/10,
Further possibilities:
ECT sensor (B11/4),
IAT sensor in hot film MAF sensor (B2/5),
O2S 1 (G3/3 or G3/4). |
|
|
Resistance (Y62y1) |
81
(25e) |
N3/10
|
2
(2A)
|
Ignition: OFF
|
14 - 18
|
|
19.0 |
P 0 2 0 2 |
Injector (Y62y2)
Activation and injection time |
57
(1e) |
N3/10
|
2
(2A) |
ECT approx. 20° C
at start:
ECT approx. 80° C
at idle:
accelerate briefly: |
Injection time:
approx. 8 ms
approx. 3 - 5 ms
approx. 14 ms
(signal: see Figures 3 and 4)
|
Fuses,
Wiring,
Y62y2,
N3/10,
Further possibilities:
ECT sensor (B11/4),
IAT sensor in hot film MAF sensor (B2/5),
O2S 1 (G3/3 or G3/4).
|
|
|
Resistance (Y62y2) |
57
(1e) |
N3/10
|
2
(2A)
|
Ignition: OFF
|
14 - 18
|
|
20.0 |
P 0 2 0 3 |
Injector (Y62y3)
Activation and injection time |
69
(13e) |
N3/10
|
2
(2A) |
ECT approx. 20° C
at start:
ECT approx. 80° C
at idle:
accelerate briefly: |
Injection time:
approx. 8 ms
approx. 3 - 5 ms
approx. 14 ms
(signal: see Figures 3 and 4)
|
Fuses,
Wiring,
Y62y3,
N3/10
Further possibilities:
ECT sensor (B11/4),
IAT sensor in hot film MAF sensor (B2/5),
O2S 1 (G3/3 or G3/4).
|
|
|
Resistance (Y62y3) |
69
(13e) |
N3/10
|
2
(2A)
|
Ignition: OFF
|
14 - 18
|
|
21.0 |
P 0 2 0 4 |
Injector (Y62y4)
Activation and injection time |
82
(26e) |
N3/10
|
2
(2A) |
ECT approx. 20° C
at start:
ECT approx. 80° C
at idle:
accelerate briefly: |
Injection time:
approx. 8 ms
approx. 3 - 5 ms
approx. 14 ms
(signal: see Figures 3 and 4)
|
Fuses,
Wiring,
Y62y4,
N3/10
Further possibilities:
ECT sensor (B11/4),
IAT sensor in hot film MAF sensor (B2/5),
O2S 1 (G3/3 or G3/4).
|
|
|
Resistance (Y62y4) |
82
(26e) |
N3/10
|
2
(2A)
|
Ignition: OFF
|
14 - 18
|
|
22.0 |
P 0 2 0 5 |
Injector (Y62y5)
Activation and injection time |
58
(2e) |
N3/10
|
2
(2A) |
ECT approx. 20° C
at start:
ECT approx. 80° C
at idle:
accelerate briefly: |
Injection time:
approx. 8 ms
approx. 3 - 5 ms
approx. 14 ms
(signal see Figures 3 and 4)
|
Fuses,
Wiring,
Y62y5,
N3/10
Further possibilities:
ECT sensor (B11/4),
IAT sensor in hot film MAF sensor (B2/5),
O2S 1 (G3/3 or G3/4).
|
|
|
Resistance (Y62y5) |
58
(26e) |
N3/10
|
2
(2A)
|
Ignition: OFF
|
14 - 18
|
|
23.0 |
P 0 2 0 6 |
Injector (Y62y6)
Activation and injection time |
70
(14e) |
N3/10
|
2
(2A) |
ECT approx. 20° C
at start:
ECT approx. 80° C
at idle:
accelerate briefly: |
Injection time:
approx. 8 ms
approx. 3 - 5 ms
approx. 14 ms
(signal: see Figures 3 and 4)
|
Fuses,
Wiring,
Y62y6,
N3/10
Further possibilities:
ECT sensor (B11/4),
IAT sensor in hot film MAF sensor (B2/5),
O2S 1 (G3/3 or G3/4).
|
|
|
Resistance (Y62y6) |
70
(14e) |
N3/10
|
2
(2A)
|
Ignition: OFF
|
14 - 18
|
|
24.0 |
P 1 4 5 3 |
Only
AIR relay module
Models 202/208/210: (K17),
in Passenger-side fuse and relay module
box (K40/4)
Model 163: in fuse and relay box (F1k28)
Activation
|
20
(28c)
|
N3/10
|
2
(2A)
|
Disconnect ECT sensor (B11/4) connector. Simulate 2.5 k resistance at sockets 1 and 2 with resistance substitution unit.
Engine: at Idle
|
11 - 14 V
for approx. two minutes and AIR pump runs. |
Fuses,
Wiring,
K40/4 or F1k28,
N3/10 |
|
|
Current draw (K40/4) or (F1k28) |
3
(3A) |
N3/10
|
20
(28c)
|
Ignition: ON |
0.1 - 0.3 A |
|
25.0 |
P 1 4 2 0 |
Only
AIR pump switchover
valve (Y32)
Activation |
66
(10e) |
N3/10
|
2
(2A)
|
Disconnect ECT sensor (B11/4) connector. Simulate 2.5 k resistance at sockets 1 and 2 with resistance substitution unit.
Engine: at Idle
|
11 - 14 V
for approx. two minutes and AIR pump runs. |
Fuses,
Wiring,
Y32,
N3/10 |
|
|
Current draw (Y32) |
3
(3A) |
N3/10
|
66
(10e)
|
Ignition: ON |
0.3 - 0.5 A |
|
26.0 |
P 0 4 1 0 |
Only
AIR system
(logic chain) |
23
(31c)
3
(3A)
3
(3A) |
|
24
(32c)
66
(10e)
20
(28c)
|
Note:
The O2S 1 signal before TWC is measured.
If ETC > 80°C run engine at idle for at least 2 minutes.
Bridge sockets on socket box |
The O2S voltage oscillates in the area of -0.2 V and +1.0 V
AIR pump runs.
Voltage changes to < 100 mV within 20 seconds |
Y32,
AIR combi valve,
AIR pump no output.
|
27.0 |
P 0 4 0 0
P 1 4 0 0 |
EGR valve vacuum
transducer (Y31/1)
Activation and vacuum
control
Current draw (Y31/1) |
61
(5e)
3
(3A) |
|
2
(2A)
61
(5e)
|
Note regarding test:
This test is not possible
on Models 163 and 210
4MATIC
Note to test
connection:
Connect vacuum tester
to EGR valve vacuum
transducer, after
removing the MAF
sensor with air box.
Engine: at idle
ETC > 60°C
Vehicle at approx.
3000/rpm while on
dynamometer
Ignition: ON
|
< 1 V and
< 10 mbar
vacuum.
1 - 7 V and
80 - 220 mbar
vacuum.
0.3 - 0.5 A |
Fuses,
Wiring,
N3/10,
Y31/1
|
28.0 |
P 0 8 0 2
P 1 2 2 5 |
Resonance intake manifold switchover valve (Y22/6)
Activation |
68
(12e) |
N3/10
|
2
(2A) |
Engine: Start
Engine: at idle
Engine: accelerate briefly to > approx. 3900 rpm
|
< 1 V
9 - 14 V and
vacuum applied
to valve. |
Fuses,
Wiring,
Y22/6,
N3/10 |
|
|
Current draw (Y22/6) |
3
(3A) |
N3/10
|
68
(12e)
|
Ignition: ON |
0.3 - 0.5 A |
|
29.0 |
P 0 4 4 1
P 0 4 4 3
|
Purge control
valve (Y58/1)
Activation |
13
(21c) |
N3/10
|
2
(2A) |
Engine: at Idle
and at operating temperature. |
After approx.
2 minutes, purge
control valve
(Y58/1) must
noticeably
cycle, Signal:
see Figure 5. |
30.0 ,
Fuses,
Wiring,
Y58/1,
N3/10 |
|
|
Current draw (Y58/1) |
3
(3A) |
N3/10
|
13
(21c)
|
Ignition: ON |
0.3 - 0.5 A |
|
30.0 |
P 0 4 4 0
P 0 4 4 1
P 0 4 4 6
|
Purge control
valve (Y58/1)
Vacuum control |
|
|
|
Connect vacuum tester to purge control valve (Y58/1) between purge line to charcoal canister.
Engine at operating temperature and at idle.
|
After approx. 2
minute,
> 50 mbar and
needle
oscillates,
Y58/1 must
cycle. |
Vacuum lines,
Y58/1 |
31.0 |
P 0 4 4 0
P 0 4 4 2
P 0 4 4 6
P 0 4 5 5 |
Only
Purge system
Leaks
Activated charcoal canister shut-off valve (Y58/4) Activated
|
3
(3A) |
N3/10
|
34
(2d)
|
Disconnect purge line (A) to charcoal canister on purge control valve (Y58/1). Connect vacuum tester to purge line.
Ignition: ON
Apply approx. 25 mbar of vacuum.
|
After approx. 1 minute,
< 5 mbar vacuum loss.
|
Fuel tank cap,
Purge line to charcoal canister,
Purge line from charcoal canister to Y58/4,
Charcoal canister,
Y58/1,
Y58/4,
B4/3 |
32.0 |
P 0 4 4 6 |
Only
Activated charcoal canister shut-off valve (Y58/4)
Current draw
|
3
(3A) |
N3/10
|
34
(2d)
|
Ignition: ON |
0.5 - 0.9 A |
Fuses,
Wiring,
Y58/4 |
33.0 |
P 0 4 4 6
P 0 4 5 0
P 0 4 5 5 |
Only
Fuel tank pressure
sensor (B4/3)
Sender signal
Activated charcoal canister shut-off valve (Y58/4) is activated
|
36
(4d)
3
(3A) |
|
37
(5d)
34
(2d)
|
Disconnect purge line
(A) to charcoal canister
on purge control valve
(Y58/1). Connect
vacuum tester to purge
line.
Ignition: ON
Apply approx. 25 mbar of
vacuum.
|
> 2.9 V
< 2.3 V
|
33.1 ,
Wiring,
Vacuum line,
Charcoal canister clogged,
B4/3 |
33.1 |
|
Only
Fuel tank pressure
sensor (B4/3)
Voltage supply |
36
(4d) |
N3/10
|
38
(6d)
|
Ignition: ON |
4.7 - 5.3 V |
N3/10 |
34.0 |
P 0 6 0 0
P 0 8 1 1
P 1 5 7 0
P 1 6 0 3
P 1 7 4 7
|
CAN data bus
|
43
(11d) |
N3/10
|
44
(12d)
|
Ignition: OFF
|
55 - 65 |
34.1 - 34.2
Data line. |
34.1 |
|
CAN element in electronic ignition lock control module (N73) or
DAS radio frequency/infrared control module (N54/1) or
Instrument cluster (A1)
Resistance
|
43
(11d) |
N3/10
|
44
(12d) |
Ignition: OFF
Disconnect connector D from engine control module N3/10.
|
115 - 125 |
Wiring,
Model 202, 208, 210:
N73,
Model 163:
A1 |
34.2 |
|
CAN element in engine control module (N3/10)
Resistance |
43
(11d) |
N3/10
|
44
(12d) |
Ignition: OFF
Disconnect connector D from test cable and reconnect connector D to N3/10
|
115 - 125 |
N3/10 |
35.0 |
P 1 1 7 7
P 1 1 7 8
P 1 1 7 9
P 1 1 8 0
P 1 1 8 5 |
Oil sensor (level/ temperature/quality) (B40) |
72
(16e)
72
(16e) |
|
73
(17e)
73
(17e) |
Test connection note
regarding oscillascope:
Range: 2V
Duration: 50ms
Test with multimeter only
if oscilloscope is not
available.
Ignition: ON |
Signal: see
Figure 6
0.3 - 3 V,
voltage jumps
|
35.1 ,
oil level,
oil quality,
wiring,
B40 |
35.1 |
|
Voltage supply (B40) |
72
(16e) |
N3/10
|
71
(15E)
|
Ignition: ON
|
4.7 - 5.3 V |
N3/10 |
36.0 |
P 0 8 0 1
P 1 1 8 1
|
With engine/climate control electric cooling fan only
Engine/climate control electric cooling fan control module (N76)
Activation |
3
(3A)
|
N3/10
|
6
(6A) |
Engine: at idle
ECT< 70° C
Ignition: ON
A/C: ON
ECT > 85° C |
1 - 1.9 V and
cooling fan is
stationary.
2 - 4 V and
cooling fan
runs.
between 2.5 - 12.5 V and cooling fan speed is based on activation.
|
Wiring,
N76,
N3/10 |
37.0 |
|
Diagnosis line
Activation |
3
(3A) |
N3/10
|
31
(39C)
|
Ignition: ON
|
11 - 14 V |
Wiring,
N3/10 |
38.0 |
P 1 6 8 1 |
Vehicles as of 06/98
Crashsignal |
8
(8A) |
N3/10
|
48
(16d)
|
Ignition: ON
|
< 1 V |
Wiring,
Readout DTC memory for SRS |