Test step
|
DTC |
Test scope
|
Test connection
|
Test condition
|
Nominal value
|
Possible cause/Remedy
|
1.0 |
|
ASD control module (N30/2)
Voltage supply
Circuit 87 E
|
8
|
N30/2
|
14
|
Ignition: ON |
11 - 14 V |
1.1
|
1.1 |
|
Voltage supply from
overvoltage protection relay
module (K1/2)
|
|
N30/2
|
14
|
Ignition: ON |
11 - 14 V |
Fuse in K1/2,
Wiring,
K1/2,
1.2
|
1.2 |
|
Ground wire
|
|
|
N30/2
7
 8
9 |
Ignition: OFF
|
< 1  |
Wiring,
Model 124, 201
Ground (W10),
Model 129
Ground (W16).
|
2.0 |
|
Circuit 61 voltage |
8 
|
N30/2
|
13
|
Ignition: ON
Engine: at Idle
|
< 2 V
11 - 14 V
|
Wiring,
Generator (G2).
|
3.0 |
|
Diagnosis output |
X11/4
5  |
N30/2
|
 2 |
Engine: OFF
|
< 1
|
Wiring,
Data link connector (X11/4).
|
4.0 |
|
ASD warning lamp (A1e25) |
|
N30/2
|
|
Ignition: ON |
A1e25: ON
|
Wiring,
Fuse,
A1e25,
Bulb.
|
5.0 |
|
ASD MIL (A1e24)
|
|
N30/2
|
|
Ignition: ON
Bridge sockets 8 and 2.
Engine: at Idle
|
A1e24: ON
A1e24: OFF
|
Wiring,
Fuse,
A1e24.
Wiring.
|
6.0 |
 |
Stop lamp switch (S9/1)
N.O. contact |
8 
|
N30/2
|
11
|
Ignition: OFF
Brake pedal not depressed.
Depress brake pedal.
|
< 1 V
11 - 14 V |
Fuse in F1,
Wiring,
S9/1.
|
7.0 |
 |
Stop lamp switch (S9/1)
N.C. contact |
8 
|
N30/2
|
10
|
Ignition: ON
Brake pedal not depressed.
Depress brake pedal.
|
11 - 14 V
< 1 V
|
Wiring,
S9/1,
8.0
|
8.0 |
 |
ASD valve (Y38)
Function |
|
N30/2
|
|
Ignition: ON
Depress brake pedal. |
ASD valve
switches on.
ASD valve switches off.
|
8.1,
Wiring.
|
8.1 |
|
Coil resistance
|
1  |
Y38x1 Y38x1
|
 2 |
Ignition: OFF
Brake pedal not depressed.
|
5 - 7  |
Wiring,
Y38.
|
9.0 |
|
Left front VSS
|
|
|
|
Raise front of vehicle.
Ignition: ON
Rotate left front wheel (approx. 1 rev./sec.).
|
> 3 V~
|
Wiring,
9.1. |
9.1 |
|
ABS control module (N30)
left front VSS output |
N30
20  |
|
N30  17 |
Raise front of vehicle.
Ignition: ON
Rotate left front wheel (approx. 1 rev./sec.).
|
> 3 V~
|
9.2. |
9.2 |
|
Left front VSS sensor (L6/1) |
N30
6  |
|
N30
 4 |
Raise front of vehicle.
Ignition: ON
Rotate left front wheel (approx. 1 rev./sec.).
|
> 0.1 V~ |
Wiring,
9.3. |
9.3 |
|
Internal resistance |
N30
20  |
|
N30  6 |
Ignition: OFF
Disconnect ABS control module (N30).
|
> 20 k |
Wiring,
9.4. |
9.4 |
|
Internal resistance |
N30
6  |
|
N30  4 |
Ignition: OFF
Disconnect ABS control module (N30).
|
0.8 - 2.3 k |
Wiring,
L6/1. |
10.0 |
|
Right front VSS
|
|
|
|
Raise front of vehicle.
Ignition: ON
Rotate right front wheel (approx. 1 rev./sec.).
|
> 3 V~
|
Wiring,
10.1. |
10.1 |
|
ABS control module (N30)
right front VSS output |
N30
20  |
|
N30  11 |
Raise front of vehicle.
Ignition: ON
Rotate right front wheel (approx. 1 rev./sec.).
|
> 3 V~
|
10.2. |
10.2 |
|
Right front VSS sensor (L6/2) |
N30
23  |
|
N30  21 |
Raise front of vehicle.
Ignition: ON
Rotate right front wheel (approx. 1 rev./sec.).
|
> 0.1 V~ |
10.3. |
10.3 |
|
Internal resistance |
N30 20  |
|
N30  23 |
Ignition: OFF
Disconnect ABS control module (N30).
|
> 20 k |
Wiring,
10.4. |
10.4 |
|
Internal resistance |
N30
23  |
|
N30  21 |
Ignition: OFF
Disconnect ABS control module (N30).
|
0.8 - 2.3 k |
Wiring,
L6/2. |
11.0 |
|
Rear axle VSS
|
|
|
|
Raise front of vehicle.
Ignition: ON
Rotate either rear wheel (approx. 1 rev./sec.).
|
> 3 V~
|
Wiring,
11.1. |
11.1 |
|
ABS control module (N30)
rear axle VSS output |
N30
20  |
|
N30  30 |
Raise front of vehicle.
Ignition: ON
Rotate either rear wheel (approx. 1 rev./sec.).
|
> 3 V~
|
11.2. |
11.2 |
|
Rear axle VSS sensor (L6) |
N30
7  |
|
N30
 9 |
Raise front of vehicle.
Ignition: ON
Rotate either rear wheel (approx. 1 rev./sec.).
|
> 0.1 V~ |
11.3. |
11.3 |
|
Internal resistance |
N30
20  |
|
N30  7 |
Ignition: OFF
Disconnect ABS control module (N30).
|
> 20 k |
Wiring,
11.4. |
11.4 |
|
Internal resistance |
N30
7  |
|
N30  9 |
Ignition: OFF
Disconnect ABS control module (N30).
|
0.6 - 1.6 k |
Wiring,
L6. |