Test step
|
DTC |
Test scope
|
Test connection
|
Test condition
|
Nominal value
|
Possible cause/Remedy
|
1.0 |
|
ABS/ASR control
module (N30/1)
Voltage supply
Circuit 87
|
3
16
|
|
1 1
|
Ignition: ON |
11 - 14 V |
1.1
|
1.1 |
|
Voltage supply from overvoltage protection relay module (K1)
|
W16/4
|
|
N30/1
1 |
Ignition: ON |
11 - 14 V |
Fuse at K1,
Wiring,
K1,
1.2
|
1.2 |
|
Ground wire
|
W16/4 W16/4
|
|
|
Ignition: OFF
|
< 1 |
Wiring,
Ground, right component compartment (W16/4).
|
2.0 |
|
ABS MIL (A1e17)
|
3
|
N30/1
|
24
|
Ignition: ON
Engine: at Idle
|
< 2 V
A1e17: ON
10 - 14 V
A1e17: OFF
|
A1e17,
2.1
12,
Wiring,
N30/1. |
2.1 |
|
Diode in ABS/ASR hydraulic unit, solenoid valve
relay (A7/3k1)
|
|
-- |
|
Ignition: OFF
Disconnect N30/1.
Ignition: ON
Engine: at Idle
|
A1e17: ON
A1e17: ON
|
Wiring,
A7/3k1.
|
3.0 |
|
ASR MIL (A1e22) |
3
|
N30/1
|
12
|
Ignition: ON
Engine: at Idle
|
< 2 V
A1e22: ON
10 - 14 V
A1e22: OFF
|
A1e22,
3.1
12,
Wiring,
N30/1.
|
3.1 |
|
Diode in solenoid valve
relay (A7/3k1) |
|
-- |
|
Ignition: OFF
Disconnect N30/1.
Ignition: ON
Engine: at Idle
|
A1e22: ON
A1e22: ON
|
Wiring,
A7/3k1.
|
4.0 |
|
ASR warning lamp (A1e21)
|
10
|
N30/2
|
1
|
Ignition: ON
Engine: at Idle
|
10 - 14 V
A1e21: ON
< 2 V
A1e21: OFF
|
Wiring,
A1e21.
Wiring.
|
5.0 |
|
Diagnosis output
|
3
|
N30/1
|
30
|
Ignition: ON
|
10 - 14 V
|
Wiring,
N30/1.
|
6.0 |
|
Circuit 61 voltage
|
3
|
N30/1
|
38
|
Ignition: ON
Engine: at Idle
|
< 1 V
11 - 14 V
|
Wiring,
Generator (G2). |
7.0 |
|
ABS/ASR hydraulic unit, solenoid valve relay (A7/3k1)
Voltage supply
Monitor
|
8
3
|
|
20
5
|
Ignition: ON
|
11 - 14 V
11 - 14 V
|
12,
7.1,
Wiring.
7.2,
Wiring.
|
7.1 |
|
Coil resistance |
8
|
N30/1
|
20
|
Ignition: OFF
Disconnect N30/1.
|
40 - 80
|
Wiring,
A7/3k1.
|
7.2 |
|
Working contact
|
W14 |
|
N30/1
17 |
Ignition: OFF
Disconnect N30/1.
|
< 15 |
Wiring,
A7/3k1. |
8.0 |
|
ABS/ASR hydraulic unit, cycling module/high pressure return pump relay (A7/3n1)
Voltage supply
|
3
|
N30/1
|
20
|
Ignition: ON
Disconnect N30/1. |
11 - 14 V
|
Wiring,
A7/3n1. |
9.0 |
|
Stop lamp switch (S9/1)
N.O. contact
N.C. contact |
3
3
|
|
29
26
|
Ignition: ON
Brake pedal not depressed.
Depress brake pedal.
Brake pedal not depressed.
Depress brake pedal.
|
< 1 V
11 - 14 V
11 - 14 V
< 1 V
|
Wiring,
F1/1-12,
K1,
S9/1.
|
10.0
|
|
Parking brake switch (S12)
|
3 |
N30/1
|
28
|
Ignition: ON
Set parking brake.
Engine: at Idle
Release parking brake
|
A1e7: ON
< 1 V
A1e7: OFF
11 - 14 V
|
Wiring,
A1e7. |
11.0 |
|
ASR brake fluid level
switch (S11/2) |
3 |
N30/1
|
27 |
Ignition: ON
Brake fluid reservoir:
Full
Empty |
< 3 V
11 - 14 V
|
Wiring,
S11/2.
|
12.0 |
|
ASR snow chain switch (S76)
|
3 |
N30/1
|
6 |
Engine: at Idle
Press and hold switch S76 in ON position
Press and hold switch S76 in OFF position
|
< 1 V
S76 indicator: ON
11 - 14 V
S76 indicator: OFF
|
Wiring,
S76,
N30/1.
|
13.0 |
|
Left front axle VSS
sensor (L6/1)
|
48 |
N30/1
|
49 |
Raise front of vehicle.
Ignition: ON
Rotate left front wheel.
|
> 0.1 V ~
|
13.1 |
13.1 |
|
Internal resistance |
48 |
N30/1
|
49
|
Ignition: OFF
Disconnect N30/1. |
0.8 - 3.7 k |
Wiring,
L6/1,
13.2 |
13.2 |
|
Insulation resistance |
3
|
N30/1
|
49
|
Ignition: OFF
Disconnect N30/1. |
> 20 k |
Wiring.
|
14.0 |
|
Left front axle VSS sensor (L6/1) output |
3
|
N30/1
|
18
|
Raise front of vehicle.
Ignition: ON
Rotate left front wheel. |
> 3 V ~
|
Wiring,
14.1,
N30/1. |
14.1 |
|
Load with control modules connected. |
3
|
N30/1
|
18
|
Ignition: OFF
Disconnect N30/1.
|
> 5 k
|
Wiring,
Control modules (A1, N4/1, N22) connected.
13.0 |
15.0 |
|
Right front axle VSS
sensor (L6/2)
|
46
|
N30/1
|
47
|
Raise front of vehicle.
Ignition: ON
Rotate right front wheel.
|
> 0.1 V ~
|
15.1,
15.2. |
15.1 |
|
Internal resistance |
46
|
N30/1
|
47
|
Ignition: OFF
Disconnect N30/1. |
0.8 - 3.7 k |
Wiring,
L6/2. |
15.2 |
|
Insulation resistance |
3
|
N30/1
|
47
|
Ignition: OFF
Disconnect N30/1. |
> 20 k |
Wiring.
|
16.0 |
|
Not for U.S.A vehicles |
|
|
|
|
|
|
17.0 |
|
Left rear axle VSS
sensor (L6/3)
|
44
|
N30/1
|
45
|
Raise rear of vehicle.
Ignition: ON
Rotate left rear wheel.
|
> 0.1 V ~
|
17.1,
17.2. |
17.1 |
|
Internal resistance |
44
|
N30/1
|
45
|
Ignition: OFF
Disconnect N30/1. |
0.6 - 3.2 k |
Wiring,
L6/3. |
17.2 |
|
Insulation resistance |
3
|
N30/1
|
45
|
Ignition: OFF
Disconnect N30/1. |
> 20 k |
Wiring.
|
18.0 |
|
Left rear axle VSS
sensor (L6/3) output |
3
|
N30/1
|
2
|
Raise rear of vehicle.
Ignition: ON
Rotate left rear wheel. |
> 3 V ~
|
Wiring,
18.1,
N30/1. |
18.1 |
|
Load with control modules connected |
3
|
N30/1
|
2
|
Ignition: OFF
Disconnect N30/1.
|
> 5 k
|
Wiring,
Control modules (N3/4, N4/1) connected.
17.0. |
19.0 |
|
Right rear axle VSS
sensor (L6/4)
|
42
|
N30/1
|
43
|
Raise rear of vehicle.
Ignition: ON
Rotate right rear wheel.
|
> 0.1 V ~
|
19.1,
19.2. |
19.1 |
|
Internal resistance |
42
|
N30/1
|
43
|
Ignition: OFF
Disconnect N30/1. |
0.6 - 3.2 k |
Wiring,
L6/4. |
19.2 |
|
Insulation resistance |
3
|
N30/1
|
43
|
Ignition: OFF
Disconnect N30/1. |
> 20 k |
Wiring.
|
20.0 |
|
Not for U.S.A vehicles |
|
|
|
|
|
|
21.0 |
|
ABS/ASR hydraulic unit, left front axle solenoid
valve (A7/3y6) (hold)
Internal resistance
|
3
|
N30/1
|
17
|
Ignition: OFF
Disconnect N30/1.
|
5.4 - 12.6
|
Wiring,
ABS/ASR hydraulic unit (A7/3).
|
22.0 |
|
ABS/ASR hydraulic unit, left front axle solenoid
valve (A7/3y7) (release)
Internal resistance
|
3
|
N30/1
|
54
|
Ignition: OFF
Disconnect N30/1. |
2.8 - 6.6
|
Wiring,
A7/3.
|
23.0 |
|
ABS/ASR hydraulic unit, right front axle solenoid
valve (A7/3y8) (hold)
Internal resistance
|
3
|
N30/1
|
22
|
Ignition: OFF
Disconnect N30/1. |
5.4 - 12.6 |
Wiring,
A7/3. |
24.0 |
|
ABS/ASR hydraulic unit, right front axle solenoid
valve (A7/3y9) (release)
Internal resistance
|
3
|
N30/1
|
41
|
Ignition: OFF
Disconnect N30/1. |
2.8 - 6.6
|
Wiring,
A7/3.
|
25.0 |
|
ABS/ASR hydraulic unit, left rear axle solenoid
valve (A7/3y10) (hold)
Internal resistance
|
3
|
N30/1
|
4
|
Ignition: OFF
Disconnect N30/1.
|
5.4 - 12.6
|
Wiring,
A7/3.
|
26.0 |
|
ABS/ASR hydraulic unit, left rear axle solenoid
valve (A7/3y11) (release)
Internal resistance
|
3
|
N30/1
|
40
|
Ignition: OFF
Disconnect N30/1. |
2.8 - 6.6
|
Wiring,
A7/3.
|
27.0 |
|
ABS/ASR hydraulic unit, right rear axle solenoid
valve (A7/3y12) (hold)
Internal resistance
|
3
|
N30/1
|
36
|
Ignition: OFF
Disconnect N30/1. |
5.4 - 12.6 |
Wiring,
A7/3. |
28.0 |
|
ABS/ASR hydraulic unit, right rear axle solenoid
valve (A7/3y13) (release)
Internal resistance
|
3
|
N30/1
|
37
|
Ignition: OFF
Disconnect N30/1. |
2.8 - 6.6
|
Wiring,
A7/3.
|
29.0 |
|
ABS/ASR hydraulic unit, switchover/solenoid
valve (A7/3y5)
Internal resistance
|
3
|
N30/1
|
23
|
Ignition: OFF
Disconnect N30/1.
|
5.4 - 12.6
|
Wiring,
A7/3.
|
30.0 |
|
ABS/ASR hydraulic unit, return solenoid
valve (A7/3y14)
Internal resistance
|
3
|
N30/1
|
34
|
Ignition: OFF
Disconnect N30/1. |
5.4 - 12.6
|
Wiring,
A7/3.
|
31.0 |
|
ASR charging pump relay
module (K20)
Coil resistance |
9
|
N30/1
|
1
|
Ignition: OFF
Disconnect N30/1. |
40 - 80 |
Wiring,
K20. |
32.0 |
|
CAN data bus |
53 |
N30/1
|
51 |
Ignition: OFF
Disconnect connector from N30/1. Test with ohmmeter directly on connector. |
55 - 65 .
|
Data line,
32.1
|
32.1 |
|
CAN element in engine control module (N3/4)
Resistance
|
L |
N3/4
|
H |
Disconnect connector 1 from N3/4. Test directly on control module.
|
115 - 125 .
|
N3/4,
32.2
|
32.2 |
|
CAN element in EA/CC/ISC control module (N4/1)
Resistance |
20 |
N4/1
|
21 |
Disconnect connector 1 from N4/1. Test directly on control module. |
115 - 125 .
|
N4/1.
|