 |
 |
Test scope |
Test connection
|
Test condition |
Nominal value |
Possible cause/Remedy |
| 1.0 |
   |
ASR/SPS or ETS/SPS control module (N47-1 or N47-2)
Circuit 87
Voltage supply
|
74 
(1.33)
77
(1.36) |
|
 68
(1.27)
68
(1.27) |
Ignition: ON |
11 - 14 V |
1.1,
1.2
|
| 1.1 |
|
Voltage supply from base module (N16/1) |
|
|
N47-1
N47-2
68
(1.27) |
Ignition: ON |
11 - 14 V |
Fuse (F1) on N16/1,
DM, Chassis & Drivetrain, Vol. 1, sections 1.1 or 1.2 >23,
Wiring.
|
| 1.2 |
|
Ground wire |
Model 129
W27
Model 140
W15
Model 129
W27
Model 140
W15
|
|
N47-1
N47-2
74
(1.33)
77
(1.36)
|
Ignition: OFF
Control module (N47-1 or N47-2) disconnected. Disconnect ground wire. |
< 1  |
Model 129
Wiring,
Ground (module box bracket) (W27).
Model 140
Wiring,
Ground (electronics output ground - right footwell) (W15).
|
2.0
ETS only |
 |
ETS/SPS control
module (N47-2)
Circuit 30
Voltage supply |
74
(1.33) |
N47-2
 |
47
(1.6)
|
Ignition: OFF |
11 - 14 V |
Wiring.
|
| 3.0 |
|
ABS MIL (A1e17) |
74
(1.33) |
N47-1 N47-2
|
76
(1.35)
|
Ignition: ON
Engine: at Idle
|
< 2 V
A1e17: ON
10 - 14 V
A1e17: OFF
|
A1e17.
Read DTC memory  12,
Wiring,
N47-1 or N47-2.
|
| 4.0 |
|
ASR MIL or ETS MIL (A1e22 or A1e35) |
74
(1.36) |
N47-1 N47-2
|
79
(1.38)
|
Ignition: ON
Engine: at Idle
|
< 2 V
A1e22 or A1e35: ON
10 - 14 V
A1e22 or A1e35: OFF
|
A1e22 or A1e35.
Read DTC memory 12,
Wiring,
N47-1 or N47-2. |
| 5.0 |
|
ASR or ETS warning lamp (A1e21 or A1e36) |
74
(1.33) |
N47-1 N47-2
|
57
(1.16)
|
Ignition: ON
Engine: at Idle
|
< 2 V
A1e21 or A1e36: ON
10 - 14 V
A1e21 or A1e36: OFF
|
Wiring,
A1e21 or A1e36.
Wiring. |
| 6.0 |
|
Diagnosis output |
74
(1.33) |
N47-1 N47-2
|
53
(1.12)
|
Ignition: ON |
10 - 14 V |
Wiring,
N47-1 or N47-2. |
| 7.0 |
|
Circuit 61
Voltage supply |
|
|
|
Ignition: ON
Engine: at Idle
|
 
 |
Wiring,
Generator (G2). |
| 8.0 |
 |
ASR/ETS/ESP hydraulic unit, solenoid valve
relay (A7/3k1)
Voltage supply |
74
(1.33) |
N47-1 N47-2
|
7
(2.7)
|
Ignition: ON |
11 - 14 V |
12,
Wiring,
8.1 |
| |
|
Control |
27
(2.27) |
N47-1 N47-2
|
7
(2.7)
|
|
|
|
| 8.1 |
|
Coil resistance |
27
(1.27) |
N47-1 N47-2
 |
7
(2.7)
|
Ignition: OFF
Control module (N47-1 or N47-2) disconnected.
|
40 - 80 |
Wiring,
A7/3k1,
8.2 |
| 8.2 |
|
Working contact |
74
(1.33) |
N47-1 N47-2
|
18
(2.18)
|
Ignition: ON |
11 - 14 V |
Wiring,
A7/3k1. |
| 9.0 |
 |
ASR/ETS/ESP hydraulic unit, high-pressure/return pump relay (A7/3k2)
Voltage supply
|
74
(1.33) |
N47-1 N47-2
|
7
(2.7)
|
Ignition: ON |
11 - 14 V |
Wiring,
9.1 |
| 9.1 |
|
Coil resistance |
28
(2.28) |
N47-1 N47-2
|
7
(2.7)
|
Ignition: OFF
Control module (N47-1 or N47-2) disconnected.
|
40 - 80 |
Wiring,
A7/3k2. |
| 10.0 |
|
Parking brake switch (S12) |
|
|
|
Engine: at Idle
Apply parking brake.
Release parkng brake.
|
Parking brake indicator lamp (A1e7): ON
A1e7: OFF |
Wiring,
S12,
A1e7. |
| 11.0 |
 |
Stop lamp switch (S9/1)
N.O. contact
N.C. contact |
|
|
|
Ignition: ON
Brakes not applied.
Brakes applied.
Brakes not applied.
Brakes applied.
|
|
Wiring,
S9/1.
|
| 12.0 |
  |
Models 129.076, 140.04/05/07
Master brake cylinder switchover valve (Y61)
Internal resistance
|
1  |
Y61
|
 2 |
Ignition: OFF
Pull connector off of Y61. |
7 - 8 |
Y61. |
| 13.0 |
|
Left front axle VSS
sensor (L6/1) |
|
|
|
Raise front of vehicle.
Ignition: ON
Rotate left front tire by hand (> 1 rev./sec.).
|
>   
(   ) |
13.1,
13.2
|
| 13.1 |
|
Internal resistance |
10
(2.10) |
N47-1 N47-2
|
30
(2.30)
|
Ignition: OFF
Control module (N47-1 or N47-2) disconnected.
|
0.8 - 2.3 k |
Wiring,
L6/1.
|
| 13.2 |
|
Insulation resistance |
74
(1.33) |
N47-1 N47-2
|
10
(2.10) |
Ignition: OFF
Control module (N47-1 or N47-2) disconnected.
|
> 20 k |
Wiring,
L6/1.
|
| 14.0 |
|
Left front axle VSS
sensor (L6/1) output |
74
(1.33) |
N47-1 N47-2
 |
64
(1.23) |
Raise front of vehicle.
Ignition: ON
Rotate left front tire by hand (> 1 rev./sec.).
|
> 3 V ~ |
Wiring,
14.1,
N47-1 or N47-2.
|
| 14.1 |
|
Load with control modules connected
|
74
(1.33) |
N47-1 N47-2
|
64
(1.23) |
Ignition: OFF
Control module (N47-1 or N47-2) disconnected.
|
> 5 k |
Wiring,
Connected control modules (N4/1, N4/2, N22, etc.),
13.0
|
| 15.0 |
|
Right front axle VSS
sensor (L6/2) |
|
|
|
Raise front of vehicle.
Ignition: ON
Rotate right front tire by hand (> 1 rev./sec.).
|
>
( ) |
15.1,
15.2
|
| 15.1 |
|
Internal resistance |
13
(2.13) |
N47-1 N47-2
|
34
(2.34) |
Ignition: OFF
Control module (N47-1 or N47-2) disconnected.
|
0.8 - 2.3 k |
Wiring,
L6/2.
|
| 15.2 |
|
Insulation resistance |
74
(1.33) |
N47-1 N47-2
|
13
(2.13)
|
Ignition: OFF
Control module (N47-1 or N47-2) disconnected.
|
> 20 k |
Wiring,
L6/2.
|
| 16.0 |
|
Right front axle VSS
sensor (L6/2) output |
ASR
74
(1.33)
ETS
74
(1.33) |
|
44
(1.3)
65
(1.24)
|
Raise front of vehicle.
Ignition: ON
Rotate right front tire by hand (> 1 rev./sec.).
|
> 3 V ~ |
Wiring,
16.1,
N47-1 or N47-2.
|
| 16.1 |
|
Load with control modules connected
|
ASR
74
(1.33)
ETS
74
(1.33) |
|
44
(1.3)
65
(1.24)
|
Ignition: OFF
control module (N47-1 or N47-2) disconnected.
|
> 5 k |
Wiring,
Connected control modules (N16/1, N51, etc.),
15.0
|
| 17.0 |
|
Left rear axle VSS
sensor (L6/3) |
|
|
|
Raise rear of vehicle.
Ignition: ON
Rotate left rear tire by hand (> 1 rev./sec.).
|
>
( ) |
17.1,
17.2
|
| 17.1 |
|
Internal resistance |
73
(1.32) |
N47-1 N47-2
|
72
(1.31)
|
Ignition: OFF
Control module (N47-1 or N47-2) disconnected.
|
0.6 - 1.8 k |
Wiring,
L6/3.
|
| 17.2 |
|
Insulation resistance |
74
(1.33) |
N47-1 N47-2
|
73
(1.32)
|
Ignition: OFF
Control module (N47-1 or N47-2) disconnected.
|
> 20 k |
Wiring.
|
| 18.0 |
|
Left rear axle VSS
sensor (L6/3) output |
ASR
74
(1.33)
ETS
74
(1.33) |
|
66
(1.25)
58
(1.17) |
Raise rear of vehicle.
Ignition: ON
Rotate left rear tire by hand (> 1 rev./sec.).
|
> 3 V ~ |
Wiring,
18.1,
N47-1 or N47-2.
|
| 18.1 |
|
Load with control modules connected
|
ASR
74
(1.33)
ETS
74
(1.33) |
|
66
(1.25)
58
(1.17)
|
Ignition: OFF
Control module (N47-1 or N47-2) disconnected.
|
> 5 k |
Wiring,
Connected control modules (N3/4, N4/1, etc.),
17.0
|
| 19.0 |
|
Right rear axle VSS
sensor (L6/4) |
|
|
|
Raise rear of vehicle.
Ignition: ON
Rotate right rear tire by hand (> 1 rev./sec.).
|
>
( ) |
19.1,
19.2
|
| 19.1 |
|
Internal resistance |
71
(1.30) |
N47-1 N47-2
|
70
(1.29)
|
Ignition: OFF
Control module (N47-1 or N47-2) disconnected.
|
0.6 - 1.8 k |
Wiring,
L6/4.
|
| 19.2 |
|
Insulation resistance |
74
(1.33) |
N47-1 N47-2
|
71
(1.30) |
Ignition: OFF
Control module (N47-1 or N47-2) disconnected.
|
> 20 k |
Wiring,
L6/4.
|
| 20.0 |
|
Right rear axle VSS
sensor (L6/4) output |
74
(1.33) |
N47-1 N47-2
|
67
(1.26)
|
Raise rear of vehicle.
Ignition: ON
Rotate right rear tire by hand (> 1 rev./sec.).
|
> 3 V ~ |
20.1,
N47-1 or N47-2.
|
| 20.1 |
|
Load with control modules connected
|
74
(1.33) |
N47-1 N47-2
|
67
(1.26)
|
Ignition: OFF
Control module (N47-1 or N47-2) disconnected.
|
> 5 k |
Wiring,
Connected control modules (N3/4, N4/1, etc.),
19.0
|
| 21.0 |
|
ASR/ETS/ESP hydraulic unit, left front axle solenoid valve (hold) (A7/3y6)
Internal resistance
|
1 |
A7/3
|
12 |
Ignition: OFF
Disconnect electrical connector on A7/3.
|
5.4 - 12.6 |
Wiring,
A7/3.
|
| 22.0 |
|
ASR/ETS/ESP hydraulic unit, left front axle solenoid valve (release) (A7/3y7)
Internal resistance
|
1 |
A7/3
|
13 |
Ignition: OFF
Disconnect electrical connector on A7/3.
|
2.8 - 6.6 |
Wiring,
A7/3.
|
| 23.0 |
|
ASR/ETS/ESP hydraulic unit, right front axle solenoid valve
(hold) (A7/3y8)
Internal resistance
|
1 |
A7/3
|
3 |
Ignition: OFF
Disconnect electrical connector on A7/3.
|
5.4 - 12.6 |
Wiring,
A7/3.
|
| 24.0 |
|
ASR/ETS/ESP hydraulic unit, right front axle solenoid valve
(release) (A7/3y9)
Internal resistance
|
1 |
A7/3
|
14 |
Ignition: OFF
Disconnect electrical connector on A7/3.
|
2.8 - 6.6 |
Wiring,
A7/3.
|
| 25.0 |
|
ASR/ETS/ESP hydraulic unit, left rear axle solenoid valve (hold) (A7/3y10)
Internal resistance
|
1 |
A7/3
|
19 |
Ignition: OFF
Disconnect electrical connector on A7/3.
|
5.4 - 12.6 |
Wiring,
A7/3.
|
| 26.0 |
|
ASR/ETS/ESP hydraulic unit, left rear axle solenoid valve (release) (A7/3y11)
Internal resistance
|
1 |
A7/3
|
18 |
Ignition: OFF
Disconnect electrical connector on A7/3.
|
2.8 - 6.6 |
Wiring,
A7/3.
|
| 27.0 |
|
ASR/ETS/ESP hydraulic unit, right rear axle solenoid valve
(hold) (A7/3y12)
Internal resistance
|
1 |
A7/3
|
20 |
Ignition: OFF
Disconnect electrical connector on A7/3.
|
5.4 - 12.6 |
Wiring,
A7/3.
|
| 28.0 |
|
ASR/ETS/ESP hydraulic unit, right rear axle solenoid valve
(release) (A7/3y13)
Internal resistance
|
1 |
A7/3
|
17 |
Ignition: OFF
Disconnect electrical connector on A7/3.
|
2.8 - 6.6 |
Wiring,
A7/3.
|
| 29.0 |
|
ASR/ETS/ESP hydraulic unit, inlet solenoid
valve (A7/3y15)
Internal resistance
|
1 |
A7/3
|
16 |
Ignition: OFF
Disconnect electrical connector on A7/3.
|
5.4 - 12.6 |
Wiring,
A7/3.
|
| 30.0 |
|
ASR/ETS/ESP hydraulic unit, switchover/solenoid
valve (A7/3y5)
Internal resistance
|
1 |
A7/3
|
21 |
Ignition: OFF
Disconnect electrical connector on A7/3.
|
5.4 - 12.6 |
Wiring,
A7/3.
|
| 31.0 |
|
Model 140
SPS P-valve (Y10)
Voltage supply |
|
|
|
Engine: at Idle
Press    key
Press key
|
>
steering is light
<
steering is heavy |
31.1,
N47-1 or N47-2.
|
| 31.1 |
|
Coil resistance |
21
(2.21) |
N47-1 N47-2
|
22
(2.22)
|
Ignition: OFF
Control module (N47-1 or N47-2) disconnected.
|
3 - 8 |
Wiring,
Y10.
|
| 32.0 |
|
Models 129.076, 140.04/05/07
ABS lateral accelration sensor (B24/2)
Static sensor signal (off)
Dynamic sensor signal (on) |
|
|
|
Vigorously rock vehicle from side to side. |
± 
>
Value changes with movement of vehicle
|
Wiring,
B24/2,
32.1
|
| 32.1 |
|
Voltage suppply to sensor input |
65
(1.24) |
N47-1
|
50
(1.9)
|
Ignition: ON
Disconnect connector on B24/2. |
4.75-5.25 V
|
Wiring,
N47-1.
|
33.0
ASR only |
|
ASR OFF switch (S76/5) |
|
|
|
Press and hold switch S76/5: ON
Release switch
Press and hold switch S76/5: OFF
|
- 
 -
< |
Wiring,
S76/5,
N47-1. |
| 34.0 |
|
VSS sensor output status
Signal: Vehicle stationary |
74
(1.33) |
N47-1
|
42
(1.1)
|
Engine: at Idle |
> 3 V ~ |
34.1
|
35.0
ASR only |
|
CAN bus |
L |
N47-1
|
H |
Ignition: OFF
Disconnect contact module 2 or N47-1.
Test directly at both wide connectors using an ohmmeter.
|
55 - 65 |
Data bus,
35.1,
35.2
|
| 35.1 |
|
Engine 104, 119
CAN element in LH-SFI or engine control module (N3/1 or N3/4)
Resistance |
L |
N3/1
N3/4
|
H |
Disconnect control module (N3/1 or N3/4) and test directly on control module using an ohmmeter.
|
115 - 125
|
N3/1 or N3/4,
DM, Engines, Vol. 2, sections 3.1 or 1.1 >23.
|
| 35.2 |
|
CAN element in DI control module (N1/3, N1/4 or N1/5)
Resistance
Engine 104/119 LH-SFI
Engine 120
|
3
3 |
N1/3
N1/4
N1/5
|
4
4
|
Disconnect connector B on control module (N1/3, N1/4 or N1/5) and test directly on control module using an ohmmeter. |
115 - 125 |
Engine 104/119 LH-SFI
N1/3,
DM, Engines, Vol. 2, section 5.2 >23.
Engine 120
N1/4 or N1/5,
DM, Engines, Vol. 2, section 5.3 >23.
|
36.0
ETS only |
|
ETS signal |
74
(1.33) |
N47-2
|
50
(1.9) |
Ignition: ON
Engine: at Idle
|
< 1 V
ETS MIL (A1e35): ON
10 - 14 V
A1e35: OFF
|
Wiring,
N47-2.
|
Printable version
