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Volume 3

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LOCATION:    11.4 Retractable Hardtop (RH)   >  13 Diagnosis - Recalling Actual Values with HHT


Diagnosis - Diagnostic Trouble Code (DTC) Memory

The following tests or activations are possible with the Hand-Held Tester


Prerequisite for recalling the actual values

1. Fuses O. K.
2. Battery voltage > 11 V.
3. Connect HHT according to connection diagram, see section 0.


The gong in the instrument cluster can be actuated via the HHT.

Test scope Test connection Test condition Nominal value Possible cause/ Remedy
1.0 Terminal 15R Ignition switch position 1
ON
OFF


23 3.0
2.0 Terminal 15 Ignition switch position 2
ON
OFF


23 4.0
3.0 Low voltage >10V
< 10V

23 1.0 - 5.0
4.0 High voltage > 15.5V
< 15.5V

23 1.0 - 5.0
5.0 Left front power window switch (front center console) (S21/1) Ignition: ON
Switch S21/1:
Press open (backward)
Press open (past first detent)

Not activated
Press close (forward)






23 20.0
6.0 One touch function, left front and right front power windows Press retractable hardtop switch (S84) twice within 0.5 seconds:
Press open (backward)
Not activated
Press close (forward)





23 17.0, 21.0, 25.0
7.0 Left front power window motor (M10/3) activation via combination control module (N10-3) Switch S21/1:
Press open (backward)
Not actuated
Press close (forward)



23 21.0
8.0 Right front power window switch (S21/2) Switch S21/2:
Press open (backward)
Press open (past first detent)
Not actuated
Press close (forward)




23 24.0
9.0 Right front power window motor (M10/4) activation via combination control module (N10-3) Switch S21/2:
Press open (backward)
Not actuated
Press close (forward)



23 25.0
1.0 Terminal 15R Ignition switch position 1
ON
OFF


23 3.0
2.0 Terminal 15 Ignition switch position 2
ON
OFF


23 4.0
3.0 Low voltage < 10V
> 10V

23 1.0 - 5.0
4.0 High voltage > 15.5V
< 15.5V

23 1.0 - 5.0
5.0 Left front wheel speed signal (VSS) from traction systems control module (N47) Vehicle stationary
Vehicle moving > 3 mph
(5 km/h)
0 mph

3 mph
(>5 km/h)
23 35.0
6.0 Left front wheel speed status signal (VSS) from traction systems control module (N47) Vehicle stationary
Vehiclemoving > 3 mph
(5 km/h)
0 mph

> 3 mph
(5 km/h)
23 34.0
7.0 Retractable hardtop hydraulic unit (A7/5) temperature < 203 °F (95 °C)
> 203 °F (95 °C)

23 8.0
8.0 Retractable hardtop switch (S84) Switch S84:
Press open (backward)
Not actuated
Press close (forward)



23 16.0, 17.0
9.0 Indicator lamp retractable hardtop switch (S84) Hardtop/soft top switch:
Depressed
Not activated


23 16.0
10.0 Left rear power window motor (M10/5) activation Ignition: ON
Retractable hardtop closed, retractable hardtop switch (S84):
Press open (backward)
Not actuated
Press close (forward)






23 27.0
11.0 Right rear power window motor (M10/6) activation Ignition: ON
Retractable hardtop closed, retractable hardtop switch (S84):
Press open (backward)
Not actuated
Press close (forward)






23 29.0
12.0 Hydraulic unit relay (A7/5k1) activation Ignition: ON
Retract. hardtop closed.
Retract. hard top switch (S84):
Press open (backward)
Press close (forward)





23 7.0
13.0 Retractable hardtop solenoid valve (A7/5y1) activation Ignition: ON
Retract. hardtop closed.
Retract. hardtop switch (S84):
Press open (backward)
Press close (forward)





23 31.0
14.0 Trunk lid solenoid valve (A7/5y2) activation Ignition: ON
Retract. hardtop closed.
Retract. hardtop switch (S84):
Press open (backward)
Press close (forward)





23 32.0
15.0 Retractable luggage cover engaged limit switch (S69/10) Luggage cover:
Extended (engaged)
Not extended (open)


23 14.0
16.0 Trunk lock/trunk illumination rotary latch selector switch (S69/12) Trunk lid:
Open
Closed


23 15.0
17.0 Retractable hardtop closed limit switch (left/right rotary latch, S69/2, S69/3) Press retractable hardtop switch (S84) to open (backwards):
Retract. hardtop opens
Press retract. hardtop switch (S84) to close (forwards):
Retract. hardtop closes







23 9.0
18.0 Retractable hardtop closed limit switch (right pin) (S69/1) Press retractable hardtop switch (S84) to open (backwards)
Retract. hardtop opens
Press retract. hardtop switch (S84) to close (forwards)
Retract. hardtop closes







23 14.0
19.0 Trunk lid closed/locked left or right limit switch (S69/7 or S69/8) Press switch (S84) to open (backwards)
Trunk lid opens
Press retract. hardtop switch (S84) to close (forwards)
Trunk lid closes and locks






23 13.0
20.0 Trunk lid open limit switch (S69/9) Press switch (S84) to open (backwards)
Trunk lid opens
Press retract. hardtop switch (S84) to close (forwards)
Trunk lid closes






23 12.0
21.0 Retractable hardtop open/stored limit switch (S69/11) Press switch (S84) to open (backwards)
Retractable hardtop open/stored
Press retract. hardtop switch (S84) to close (forwards)
Retract hardtop closes







23 11.0