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 (K1/1 or K1/2)
|
|
N30/2
|
14
|
Ignition: ON |
11 - 14 V |
Fuse in K1/2,
Wiring,
K1/2,
1.2
|
| 1.2 |
|
Ground wire
|
W10
W16
W16/4
|
Models 124, 201
Models 129, 202
|
|
Ignition: OFF
|
< 1  |
Wiring,
Models 124, 201
Ground (battery) (W10).
Model 129
Ground (component compartment)
(W16).
Model 202
Ground (component compartment, right) (W16/4).
|
| 2.0 |
|
Circuit 61 voltage |
8
|
N30/2
|
13
|
Ignition: ON
Engine: Start
|
< 1.5 V
11 - 14 V
|
Wiring,
Generator (G2).
|
| 3.0 |
|
Diagnosis output |
5
26 |
|
6
6 |
Engine: OFF
|
< 1
|
Wiring,
Data link connector (X11/4).
|
| 4.0 |
|
ASD warning lamp (A1e25) |
|
N30/2
|
|
Ignition: ON |
A1e25: ON
|
Wiring,
A1e25,
DM, Body & Accessories, Vol. 1, section 1.4, >23.
|
| 5.0 |
|
ASD MIL (A1e24)
|
|
|
|
Ignition: ON
Bridge sockets 8 and 2.
Ignition: ON
Bridge sockets 8 and 2.
|
A1e24: ON
A1e24: lamp goes out after 30 seconds.
A1e24: ON
|
Wiring,
A1e24.
Wiring.
Wiring,
A1e24,
DM, Body & Accessories, Vol. 1, section 1.4, >23.
|
| 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 overvoltage protection relay module (K1/2),
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 solenoid 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
|
2 |
Ignition: OFF
Brake pedal not depressed.
|
5 - 7 . |
Wiring,
Y38.
|
| 9.0 |
 |
Right front axle VSS
sensor (L6/2)
|
8
|
N30/2
|
3
|
Raise front of vehicle.
Ignition: ON
Rotate right front wheel (approx. 1 rev./sec.).
|
> 3 V~
|
Wiring,
DM, Chassis & Drivetrain, Vol. 2, section 6.1-6.3 >23. |
| 10.0 |
|
Left front axle VSS
sensor (L6/1) |
8
|
N30/2
|
5
|
Raise front of vehicle.
Ignition: ON
Rotate left front wheel (approx. 1 rev./sec.).
|
> 3 V~
|
Wiring,
DM, Chassis & Drivetrain, Vol. 2, section 6.1-6.3 >23.
|
| 11.0 |
|
Rear axle VSS sensor (L6) |
8
|
N30/2
|
1
|
Raise rear of vehicle.
Selector lever in: N
Ignition: ON
Rotate a rear wheel
(approx. 1 rev./sec.).
|
> 3 V~ |
Wiring,
DM, Chassis & Drivetrain, Vol. 2, section 6.1-6.3 >23.
|
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