 |
 |
Test scope
|
Test connection |
Test condition |
Nominal value |
Possible cause/Remedy |
| 1.0 |
|
ADS control module (N51)
Voltage supply
Circuit 87L |
23  |
N51
|
 1 |
Ignition: ON |
11 - 14 V |
Wiring,
1.1. |
| 1.1 |
|
Voltage supply from overvoltage protection relay module (K1/2) |
W16
|
|
N51
1 |
Ignition: ON |
11 - 14 V |
Wiring,
K1/2,
1.2. |
| 1.2 |
|
Ground wire |
W16
|
|
N51
23 |
Ignition: OFF |
< 1  |
Wiring,
Ground (component
compartment) (W16). |
| 2.0 |
|
Circuit 61 voltage |
23 |
N51
|
2 |
Ignition: ON
Engine: at Idle
|
< 1 V
11 - 14 V |
Wiring,
Generator (G2). |
| 3.0 |
|
Diagnosis ouput |
23 |
N51
|
4
|
Ignition: ON |
10 - 14 V |
Wiring,
ADS control module (N51). |
| 4.0 |
  |
Left front axle VSS
(from ABS or ABS/ASR control module)
|
23
|
N51
|
5 |
Raise front of vehicle.
Ignition: ON
Turn left front wheel by hand |
> 0.1 V ~ |
DM, Chassis & Drivetrain Vol. 2 section 5.1 >23, or DM, Chassis & Drivetrain Vol. 2 section 6.1 >23,
Wiring,
ADS control module (N51). |
| 5.0 |
 |
Oil level switch (S44)
Activation |
23
|
N51
|
6
|
Oil level between "MAX" and "MIN"
Ignition: ON
|
11 - 14 V |
Determine cause of leak, refill if necessary.
5.1,
ADS control module (N51).
|
| 5.1 |
|
Wiring |
23
|
N51
|
6
|
Disconnect S44.
Bridge sockets 1 and 2 on connector. |
< 1 V |
Wiring,
5.2.
|
| 5.2 |
|
Internal resistance |
23
|
N51
|
6
|
Ignition: ON
Disconnect N51. |
> 20 k |
Wiring,
S44. |
| 6.0 |
|
ADS MIL (A1e27) |
23
|
N51
|
7
|
Ignition: ON
Engine: at Idle |
< 1 V
A1e27: ON
11 - 14 V
A1e27: OFF
|
6.1,
Wiring,
ADS control module (N51).
 12,
Wiring,
N51.
|
| 6.1 |
|
Wiring |
23
|
N51
|
7
|
Ignition: OFF
Disconnect control module (N51).
Ignition: ON
|
11 - 14 V |
Wiring,
A1e27. |
| 7.0 |
 |
Wheel acceleration
sensor (B24/1)
Voltage supply |
24
|
N51
|
8
|
Ignition: ON
|
4.75 - 5.25 V |
Wiring,
ADS control module (N51).
|
| |
|
Static sensor signal (off) |
24
|
N51
|
25
|
|
2.35 - 2.65 V |
Wiring,
B24/1.
|
| |
|
Dynamic sensor signal (on) |
24
|
N51
|
25
|
Vigorously move right front section of vehicle up and down by hand |
> 1 mV ~
Note:
The value changes with the movement of the vehicle. Nominal value can only be attained with digital multimeter set to mV ~.
|
B24/1. |
| 8.0 |
|
Body acceleration
sensor (B24)
Voltage supply |
27
|
N51
|
9
|
Ignition: ON
|
4.75 - 5.25 V |
Wiring,
ADS control module (N51). |
| |
|
Static sensor signal (off) |
27
|
N51
|
26
|
|
2.35 - 2.65 V |
Wiring,
B24. |
| |
|
Dynamic sensor signal (on) |
27
|
N51
|
26
|
Vigorously move left front section of vehicle up and down by hand |
> 5 mV ~
Note:
The value changes with the movement of the vehicle. Nominal value can only be attained with digital multimeter set to mV ~.
|
B24. |
| 9.0 |
 |
Steering angle sensor (N49)
Signal |
23
|
N51
|
21
|
Ignition: ON
|
> 3 V ~ |
Wiring,
ADS control module (N51),
9.1. |
| 9.1 |
|
Steering angle sensor |
23
|
N51
|
21
|
Ignition: OFF
Disconnect control
module (N51).
Ignition: ON
|
> 3 V ~ |
Wiring,
N49,
9.2. |
| 9.2 |
|
Voltage supply
Circuit 30a |
2
|
N49x1
|
4
|
Ignition: OFF
Disconnect
connector (N49x1).
|
11 - 14 V |
Wiring,
9.3. |
| 9.3 |
|
Voltage supply
Circuit 87L |
2 |
N49x1
|
3 |
Ignition: ON
|
11 - 14 V |
Wiring,
Overvoltage protection relay
module (K1/2).
|
| 10.0 |
1) |
Steering angle sensor (N49)
Initialization |
|
|
|
Engine: at Idle
Turn steering wheel from right to left stop.
|
A1e27 goes out. |
9.0 |
| 11.0 |
|
Comfort/sport switch (S45/1) |
2
|
N51
|
30
|
Ignition: ON
Switch S45/1 in:
Comfort setting
Sport setting
|
4.75 - 5.25 V
< 1 V
Indicator lamp in switch: ON
|
Wiring,
S45/1,
ADS control module (N51),
11.1. |
| 11.1 |
|
Internal resistance |
22
|
N51
|
30
|
Ignition: OFF
Disconnect control
module (N51).
Switch S45/1 in:
Comfort setting
Sport setting
|
> 20 k
< 1
|
Wiring,
S45/1. |
| 12.0 |
|
Not for U.S.A. Vehicles |
|
|
|
|
|
|
| 13.0 |
|
Not for U.S.A. Vehicles |
|
|
|
|
|
|
| 14.0 |
|
Not for U.S.A. Vehicles |
|
|
|
|
|
|
| 15.0 |
 |
Left/right rear axle damper valve assembly, rear axle solenoid valve 2 (Y53y2, Y54y2)
|
32
|
N51
|
12
|
Ignition: OFF
Disconnect control
module (N51). |
5 - 8 |
Wiring,
15.1. |
| 15.1 |
|
Rear axle solenoid valve 2 (Y54y2) |
32
|
N51
|
12
|
Disconnect control
module (N51).
Disconnect connector (Y54x1).
|
10 - 16 |
Wiring,
Right rear axle damper valve assembly (Y54),
15.2. |
| 15.2 |
|
Rear axle solenoid valve 2 (Y53y2) |
32
|
N51
|
12
|
Disconnect control
module (N51).
Disconnect
connector (Y53x1).
|
10 - 16 |
Wiring,
Left rear axle damper valve assembly (Y53). |
| 16.0 |
 |
Left/right rear axle damper valve assembly, rear axle solenoid valve 1 (Y53y1, Y54y1)
|
32
|
N51
|
14
|
Ignition: OFF
Disconnect control
module (N51). |
5 - 8 |
Wiring,
16.1. |
| 16.1 |
|
Rear axle solenoid valve 1 (Y54y1) |
32
|
N51
|
14
|
Disconnect control
module (N51).
Disconnect
connector (Y54x1).
|
10 - 16 |
Wiring,
Right rear axle damper valve assembly (Y54),
16.2. |
| 16.2 |
|
Rear axle solenoid valve 1 (Y53y1) |
32
|
N51
|
14
|
Disconnect control
module (N51).
Disconnect
connector (Y53x1)
(Figure 7).
|
10 - 16 |
Wiring,
Left rear axle damper valve assembly (Y53). |
| 17.0 |
 |
Right front axle damper valve assembly, front axle solenoid valve 2 (Y52y2) |
34
|
N51
|
16
|
Ignition: OFF
Disconnect control
module (N51). |
10 - 16 |
Wiring,
Y52. |
| 18.0 |
|
Left front axle damper valve assembly, front axle solenoid valve 2 (Y51y2) |
34
|
N51
|
17
|
Ignition: OFF
Disconnect control
module (N51). |
10 - 16 |
Wiring,
Y51. |
| 19.0 |
 |
Right front axle damper valve assembly, front axle solenoid valve 1 (Y52y1) |
34
|
N51
|
18
|
Ignition: OFF
Disconnect control
module (N51). |
10 - 16 |
Wiring,
Y52. |
| 20.0 |
|
Left front axle damper valve assembly, front axle solenoid valve 1 (Y51y1) |
35
|
N51
|
19
|
Ignition: OFF
Disconnect control
module (N51). |
10 - 16
|
Wiring,
Y51. |
| 21.0 |
|
Level adjustment check
valve (Y37)
Activation |
1  |
Y37
|
 2 |
Unplug connecter from Y37
Ignition: ON |
11 - 14 V |
21.1
Wiring,
K1/2, (Figure 5). |
| 21.1 |
|
Level adjustment check
valve (Y37)
Internal resistance |
1 |
Y37
|
2 |
Ignition: OFF |
10 - 25 |
Wiring,
Y37. |
Printable version
