 |
 |
Test scope |
Test connection
|
Test condition |
Nominal value |
Possible cause/Remedy |
| 1.0 |
|
Central Locking:
Interior switch (S21s10) not activated
HHT Actual Values
|
|
|
|
Switch (CL) (s21s10) not pressed. |
  |
If values are ok:
1.1
If values are not ok:
Heated rear window
switch (S21s9),
Switch (CL) (S21s10),
Wiring:
  - short circuit to ground (GND).
|
| 1.1 |
|
Central Locking:
Interior switch (S21s10) activated
HHT Actual Values
|
|
|
|
Switch (CL) (s21s10) pressed. |
 |
If values are not ok:
1.2 |
| 1.2 |
|
Heated rear window
switch (S21s9) activated
HHT Actual Values
|
|
|
|
Heated rear window
switch (S21s9) pressed. |
|
If values are OK:
Switch (CL) (S21s10),
Wiring,
If values are not OK:
Wiring:
- short circuit to ground (GND),
 ,
N10
|
| 2.0 |
|
Left front door rotary tumbler microswitch
(Right front door rotary tumbler microswitch)
Closed
HHT Actual Values
|
|
|
|
Door closed. |
     |
If values are ok:
2.1
If values are not ok:
2.2
|
| 2.1 |
|
Left front door rotary tumbler microswitch
(Right front door rotary tumbler microswitch)
Open
HHT Actual Values
|
|
|
|
Open door. |
 |
If values are ok:
No fault.
If values are not ok:
2.3
|
| 2.2 |
|
Left front door rotary tumbler microswitch
(Right front door rotary tumbler microswitch)
Left front door separation point connector disconnected
HHT Actual Values
|
|
|
|
Open door.
Disconnect left/right front door separation connector (X35/1, X35/2). |
|
If values are ok:
Left front door rotary tumbler microswitch (S87/7),
Right front door rotary tumbler microswitch (S87/6),
Wiring:
- short circuit to ground (GND).
If values are not ok:
Wiring:
- short circuit to ground (GND),
All-Activity-Module (AAM) (N10).
|
| 2.3 |
|
Left front door rotary tumbler microswitch
(Right front door rotary tumbler microswitch)
Bridged switch
HHT Actual Values |
2 
(A) |
X35/1
(X35/2)
|
 1
(A) |
See connector layout (X35/1, X35/2) at end of
 23 |
|
If values are ok:
S87/7, S87/6
Wiring:
- short circuit to ground (GND).
If values are not ok:
Wiring:
- short circuit to ground (GND),
All-Activity-Module (AAM) (N10).
|
| 3.0 |
|
Rear doors:
Rotary tumbler micro switches
Closed
HHT Actual Values
|
|
|
|
Both rear doors closed. |
|
If values are ok:
3.1
If values are not ok:
3.5
|
| 3.1 |
|
Rear doors:
Left rear door rotary tumbler microswitch
Open
HHT Actual Values |
|
|
|
Open left rear door. |
|
If values are ok:
3.2
If values are not ok:
3.3 |
| 3.2 |
|
Rear doors:
Right rear door rotary tumbler microswitch
Open
HHT Actual Values |
|
|
|
Close left rear door.
Open right rear door. |
|
If values are ok:
No fault.
If values are not ok:
3.4 |
| 3.3 |
|
Left rear door rotary tumbler microswitch
Bridged switch
HHT Actual Values |
2
(A) |
X35/3
|
1
(A) |
Disconnect X35/3 connector. |
|
If values are ok:
S87/2,
Wiring:
-//- open circuit.
If values are not ok:
Wiring:
-//- open circuit.
|
| 3.4 |
|
Right rear door rotary tumbler microswitch
Bridged switch
HHT Actual Values |
2
(A)
|
X35/4
|
1
(A)
|
Disconnect X35/4 connector. |
|
If values are ok:
S87/3
Wiring:
-//- open circuit.
If values are not ok:
Wiring:
-//- open circuit.
|
| 3.5 |
|
Left rear door rotary microswitch
Disconnected
HHT Actual Values |
|
|
|
Close both rear doors.
Disconnect X35/3 |
|
If values are ok:
S87/2,
Wiring:
- short circuit to ground (GND).
If values are not ok:
3.6
|
| 3.6 |
|
Right rear door rotary microswitch
Disconnected
HHT Actual Values |
|
|
|
Close both rear doors.
Disconnect X35/4 connector. |
|
If values are ok:
S87/3,
Wiring:
- short circuit to ground (GND).
If values are not ok:
Wiring:
- short circuit to ground (GND),
All-Activity-Module (AAM) (N10).
|
| 4.0 |
|
CL signal verification at driver door:
Door open
(left front passenger side door, left rear door, right rear door |
|
|
|
Door is open and unlocked |
|
If values are ok:
4.1,
If values are not ok:
4.2 |
| 4.1 |
|
CL signal verification at driver door:
Door closed
(left front passenger side door, left rear door, right rear door |
2
(A)
|
X35/4
|
1
(A)
|
Close doors and lock. |
|
If values are ok:
No fault,
Wiring:
-//- open circuit.
If values are not ok:
4.3
|
| 4.2 |
|
CL signal verification:
Switches disconnected
HHT Actual Values |
|
|
|
Open doors,
Disconnect:
X35/1,
X35/2,
X35/3,
X35/4 |
|
If values are ok:
Microswitch (CL) (M14/5s1),
Microswitch (CL) (M14/6s1),
Microswitch (CL) (M14/8s1),
CL microswitch (M14/9s1),
Wiring:
- short circuit to ground (GND),
If values are not ok:
Wiring:
- short circuit to ground (GND),
All-Activity-Module (AAM) (N10).
|
| 4.3 |
|
actual values,
CL signal verification:
Switches bridged |
1
(A) |
X35/1
X35/2
X35/3
X35/4
|
3
(A) |
Open doors,
Disconnect separation point connectors,
See end of 23 for connector layout. |
|
If values are ok:
Microswitch (CL) (M14/5s1),
Microswitch (CL) (M14/6s1),
Microswitch (CL) (M14/8s1),
CL microswitch (M14/9s1),
Wiring:
- short circuit to ground (GND),
If values are not ok:
Wiring:
- short circuit to ground (GND),
All-Activity-Module (AAM) (N10).
|
| 5.0 |
|
CL actuating motors:
RF door CL actuating
motor (M14/5),
LF door CL actuating
motor (M14/6),
LR door CL actuating
motor (M14/8)
RR door CL actuating
motor (M14/9)
Resistance |
4 
(A) |
X35/2
X35/1
X35/3
X35/4
 |
 5
(A)
|
Open doors,
Disconnect:
X35/1,
X35/2,
X35/3,
X35/4 |
4 - 30 
|
>20 k:
5.1
If:
<1 :
Engine,
Wiring:
short circuit |
| 5.1 |
|
CL actuating motors:
Activation |
 +
|
|
M14/5
M14/6
M14/8
M14/9
D
E |
Remove door panels, disconnect connector at actuating motor, engage rotary tumbler.
Use safety cable 124 589 37 63 00 for battery connection.
After performing measurement, pull on door handle to open rotary tumbler
|
Motor locks. |
Motor |
| 6.0 |
|
CL:
Lock all locks (doors etc.)
HHT Activation |
|
|
|
All doors are closed and unlocked. |
All doors and fuel filler flap are locked. |
If individual doors are not locked:
6.1
If none of the doors is locked:
1.2
|
| 6.1 |
|
CL:
Unlock all locks
(doors etc.)
HHT Activation |
|
|
|
All doors are closed and locked.
|
All doors and fuel filler flap are unlocked. |
If left front door and fuel filler flap are not unlocked:
6.3
If right front door and rear doors are not unlocked:
6.4
Tailgate is not unlocked:
6.5
None of the doors in unlocked:
Wiring,
N10
|
| 6.2 |
|
Central locking, all doors lock relay (f1k20)
Function
|
|
|
|
Swap central locking, all doors lock relay (F1k20) with central locking, tailgate unlock relay (F1k15).
Perform test step 6.0 again. |
All doors and fuel filler flap are locked. |
If test is ok:
F1k20
Otherwise check:
Wiring.
|
| 6.3 |
|
Central locking, LF door and fuel filler flap unlock relay (F1k24)
Function |
|
|
|
Swap central locking, LF door and fuel filler flap unlock relay (F1k24) with central locking, tailgate unlock relay (F1k15).
Close and lock left front door.
Use HHT to open left front door.
|
Left front door is unlocked. |
If values are ok:
F1k24
If values are not ok:
Wiring.
|
| 6.4 |
|
Central locking, RF door and rear doors unlock relay (F1k23) |
|
|
|
Swap central locking, RF door and rear doors unlock relay (F1k23) with central locking, tailgate unlock relay (F1k15). Perform test step 6.1 again.
|
All doors and fuel filler flap are unlocked. |
If left front door and fuel filler flap are not unlocked:
Wiring,
N10
Tailgate is not unlocked:
F1k23
|
| 6.5 |
|
Central locking, tailgate unlock relay (F1k15)
Function |
|
|
|
Swap central locking, tailgate unlock relay (F1k15) with central locking, RF door and rear doors unlock relay (F1k23),
close tailgate and lock.
Using HHT open tailgate
|
Tailgate is unlocked. |
If values are ok:
F1k15
If values are not ok:
Wiring.
|
| 7.0 |
|
Tailgate rotary tumbler microswitch
Closed
HHT Actual Values |
|
|
|
Tailgate closed.
|
|
If values are ok:
7.1
If values are not ok:
7.2
|
| 7.1 |
|
Tailgate rotary tumbler microswitch
Open
HHT Actual Values |
|
|
|
Tailgate open.
|
|
If values are ok:
No fault
If values are not ok:
7.3
|
| 7.2 |
|
Tailgate rotary tumbler microswitch
Disconnected
HHT Actual Values |
|
|
|
Disconnect X18/1,
tailgate open.
|
|
If values are ok:
S88/1,
Wiring:
- short circuit to ground (GND).
If values are not ok:
N10
Wiring:
- short circuit to ground (GND).
|
| 7.3 |
|
Tailgate rotary tumbler microswitch
Switch bridged
HHT Actual Values |
2
(A) |
X18/1
|
1
(A) |
|
|
If values are ok:
S88/1
Wiring:
-//- open circuit.
If values are not ok:
N10
Wiring:
-//- open circuit.
|
| 8.0 |
|
CL signal verification:
Tailgate is open
HHT Actual Values |
|
|
|
Tailgate open and unlocked.
|
|
If values are ok:
8.1
If values are not ok:
8.2
|
| 8.1 |
|
CL signal verification:
Tailgate is closed
HHT Actual Values |
|
|
|
Tailgate closed and locked
|
|
If values are ok:
No fault
If values are not ok:
8.3
|
| 8.2 |
|
CL signal verification: Tailgate switch disconnected
HHT Actual Values |
|
|
|
Open tailgate,
disconnect X18/1 |
|
If values are ok:
Microswitch (CL) (M14/7s1)
Wiring:
- short circuit to ground (GND).
If values are not ok:
N10
Wiring:
- short circuit to ground (GND).
|
| 8.3 |
|
CL signal verification:
Tailgate switch bridged
HHT Actual Values |
|
X18/1
|
9 |
Tailgate open.
Switch disconnected. |
     |
If values are ok:
Microswitch (CL) (M14/7s1)
Wiring:
-//- open circuit.
If values are not ok:
N10
Wiring:
-//- open circuit.
|
| 9.0 |
|
Tailgate CL actuating motor
Resistance |
7 |
X18/1
|
8 |
Open tailgate,
Disconnect X18/1 |
4 - 30
|
>20 k:
9.1
If:
<1 :
M14/7
Wiring:
short circuit. |
| 9.1 |
|
Tailgate CL actuating
motor (M14/7)
Activation |
+
|
|
M14/7
A
B |
Disconnect connector at actuating motor.
Use safety cable 124 589 37 63 00 for battery connection
|
Motor runs. |
If values are ok:
Wiring:
-//- open circuit.
If values are not ok:
M14/7 |
| 10.0 |
|
Filler flap CL actuating motor (M14/10)
Activation |
+
|
M14/10
|
A
B |
Disconnect connector at actuating motor.
Use safety cable 124 589 37 63 00 for battery connection
|
Motor runs. |
M14/10
|
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