 |
|
Test scope |
Test connection |
Test condition |
Nominal value |
Possible cause/Remedy |
| 1.0 |
|
Voltage supply
Circuit 30 |
4 
11
7
|
|
|
|
11 - 14 V
11 - 14 V
11 - 14 V |
Wiring. |
| 2.0 |
|
Voltage supply
Circuit 15, 31 (low voltage)
Up to 9/95
|
4 |
N52
X1 
 |
 2
|
Ignition: ON |
11 - 14 V |
Wiring,
2.1 |
| 2.1 |
|
Voltage supply
Circuit 31
As of 9/95
|
47 |
N52
X2 
|
+
|
|
11 - 14 V |
Wiring. |
| 3.0 |
|
Control signal to RST/RB hydraulic
unit (A7/5) |
 |
|
N52
X2
54 |
Ignition: ON
Move power soft top switch (S84) toward Open or Close. |
0 - 1 V
11 - 14 V
Hydraulic unit runs.
|
18.0,
N52.
3.1,
3.2,
3.3,
Wiring. |
| 3.1 |
|
Activation of RST/RB hydraulic unit
relay (A7/5k1) |
5 |
A7/5x1
|
6
|
Ignition: OFF
Unplug connector A7/5x1.
Ignition: ON
Move power soft top switch (S84) toward Open or Close. |
0 - 1 V
11 - 14 V
|
Power soft top switch (S84),
Wiring,
Power soft top control
module (N52). |
| 3.2 |
|
RST/RB hydraulic unit
motor (A7/5m1)
Voltage supply
|
1 |
A7/5x1
|
4
|
Unplug connector A7/5x1. |
11 - 14 V |
Wiring. |
| 3.3 |
|
RST/RB hydraulic unit
motor (A7/5m1) |
1  |
A7/5x1
 |
 4
|
Unplug connector A7/5x1. Remove relay
A7/5k1. Bridge sockets 1 and 3 of relay connector A7/5k1.
|
0.1 - 1.5  |
A7/5m1 (SMS, Job No. 77-350).
|
| 4.0 |
|
Right soft top cover "locked"
switch (A25s2)
Voltage supply |
|
|
N52
X2
7 |
Power soft top control
module in diagnostic
mode, see  22.
Soft top compartment
cover:
locked
unlocked |
0 - 1 V
11 - 14 V
|
4.1,
N52. |
| 4.1 |
|
A25s2
Resistance |
|
|
N52
X2
7 |
Ignition: OFF
Disconnect test cable from N52.
Soft top compartment
cover:
locked
unlocked |
0 - 5
>20 k
|
A25s2 (SMS, Job No. 77-440),
Wiring. |
| 5.0 |
|
Left soft top fabric bow "locked"
switch (A22s2)
Voltage supply |
|
|
N52
X2
28 |
Power soft top control
module in diagnostic
mode, see 22.
Fabric bow:
locked
unlocked |
0 - 1 V
11 - 14 V
|
5.1,
N52. |
| 5.1 |
|
A22s2
Resistance |
|
|
N52
X2
28 |
Ignition: OFF
Disconnect test cable from
N52.
Fabric bow:
locked
unlocked |
0 - 5
>20 k
|
A22s2 (SMS, Job No. 77-445),
Wiring. |
| 6.0 |
|
Right soft top bow "locked" switch
(A23s2)
Voltage supply |
|
|
N52
X2
45 |
Power soft top control
module in diagnostic
mode, see 22.
Fabric bow:
locked
unlocked |
0 - 1 V
11 - 14 V
|
6.1,
N52. |
| 6.1 |
|
A23s2
Resistance |
|
|
N52
X2
45 |
Ignition: OFF
Disconnect test cable from N52.
Fabric bow:
locked
unlocked |
0 - 5
>20 k
|
A23s2 (SMS, Job No. 77-445),
Wiring. |
| 7.0 |
|
Left soft top bow "closed"
switch (A22s1)
Voltage supply |
|
|
N52
X2
8 |
Power soft top control
module in diagnostic
mode, see 22.
Fabric bow:
closed
raised |
0 - 1 V
11 - 14 V
|
7.1,
N52. |
| 7.1 |
|
A22s1
Resistance |
|
|
N52
X2
8 |
Ignition: OFF
Disconnect test cable from N52.
Fabric bow:
closed
raised |
0 - 5
>20 k
|
Wiring,
A22s1 (SMS, Job No. 77-445),
A/C pushbutton control
module (N22), |
| 8.0 |
|
Left front soft top "locked"
switch (S84/1)
Voltage supply |
|
N51
|
N52
X2
30 |
Power soft top control
module in diagnostic
mode, see 22.
Soft top:
locked in front
unlocked in front |
0 - 1 V
11 - 14 V
|
8.1,
N52. |
| 8.1 |
|
S84/1
Resistance |
|
|
N52
X2
30 |
Ignition: OFF
Disconnect test cable from N52.
Soft top:
locked in front
unlocked in front |
0 - 5
>20 k
|
S84/1 (SMS, Job No. 77-330),
Wiring. |
| 9.0 |
|
Right front soft top "locked"
switch (S84/2)
Voltage supply |
|
|
N52
X2
11 |
Power soft top control
module in diagnostic
mode, see 22.
Soft top:
locked in front
unlocked in front |
0 - 1 V
11 - 14 V
|
9.1,
N52. |
| 9.1 |
|
S84/2
Resistance |
|
|
N52
X2
11 |
Ignition: OFF
Disconnect test cable from N52.
Soft top:
locked in front
unlocked in front |
0 - 5
>20 k
|
S84/2 (SMS, Job No. 77-330),
Wiring. |
| 10.0 |
|
Soft top compartment "open" switch
(S84/5)
Voltage supply |
|
|
N52
X2
26 |
Power soft top control
module in diagnostic
mode, see 22.
Soft top compartment
cover:
open
closed |
0 - 1 V
11 - 14 V
|
10.1,
N52. |
| 10.1 |
|
S84/5
Resistance |
|
|
N52
X2
26 |
Ignition: OFF
Disconnect test cable from
N52.
Soft top compartment
cover:
open
closed |
0 - 5
>20 k
|
S84/5 (SMS, Job No. 77-405),
Wiring. |
| 11.0 |
|
Soft top fabric bow "raised" switch
(S84/6)
Voltage supply |
|
|
N52
X2
44 |
Power soft top control
module in diagnostic
mode, see 22.
Fabric bow:
raised
lowered, locked |
0 - 1 V
11 - 14 V
|
11.1,
N52. |
| 11.1 |
|
S84/6
Resistance |
|
|
N52
X2
44 |
Ignition: OFF
Disconnect test cable from N52.
Fabric bow:
raised
lowered |
0 - 5
>20 k
|
Wiring,
S84/6 (SMS, Job No. 77-435).
|
| 12.0 |
|
Soft top "open"
switch (soft top in compartment) (S84/3)
Voltage supply |
|
|
N52
X2
46 |
Power soft top control
module in diagnostic
mode, see 22.
Soft top:
in compartment
raised |
0 - 1 V
11 - 14 V
|
12.1,
N52. |
| 12.1 |
|
S84/3
Resistance |
|
|
N52
X2
46 |
Ignition: OFF
Disconnect test cable from N52.
Soft top:
in compartment
raised |
0 - 5
>20 k
|
Wiring,
S84/3 (SMS, Job No. 77-425).
|
| 13.0 |
|
Soft top "closed"
switch (S84/4)
Voltage supply |
|
|
N52
X2
29 |
Power soft top control
module in diagnostic
mode, see 22.
Soft top:
closed
in compartment |
0 - 1 V
10 - 12 V
|
13.1,
N52. |
| 13.1 |
|
S84/4
Resistance |
|
|
N52
X2
29 |
Ignition: OFF
Disconnect test cable from N52.
Soft top:
closed
in compartment |
Approx. 33
>20 k
|
S84/4,
Wiring. |
| 14.0 |
|
RB "retracted"
switch (S83/1)
Voltage supply |
|
|
N52
X2
4 |
Power soft top control
module in diagnostic
mode, see 22.
Roll bar:
lowered
raised |
0 - 1 V
11 - 14 V
|
14.1,
N52. |
| 14.1 |
|
S83/1
Resistance |
|
|
N52
X2
4 |
Ignition: OFF
Disconnect test cable from N52.
Roll bar:
lowered
raised |
0 - 5
>20 k
|
Wiring,
S83/1 (SMS, Job No. 77-400). |
| 15.0 |
|
Left front window "down" limit
switch (S21/9) 1)
Voltage supply |
|
|
N52
X2
23 |
Ignition: ON
Left front window:
down
up |
0 - 1 V
11 - 14 V
|
15.1,
N52. |
| 15.1 |
|
S21/9
Resistance |
|
|
N52
X2
23 |
Ignition: OFF
Disconnect test cable from N52.
Left front window:
down
up |
0 - 5
>20 k
|
Wiring,
S21/9. |
| 16.0 |
|
Right front door "window down"
limit
switch (S21/8) 1)
Voltage supply |
|
|
N52
X2
40 |
Ignition: ON
Right front window:
down
up |
0 - 1 V
11 - 14 V
|
16.1,
N52. |
| 16.1 |
|
S21/8
Resistance |
|
|
N52
X2
40 |
Ignition: OFF
Disconnect test cable from N52.
Right front window:
down
up |
0 - 5
>20 k
|
Wiring,
S21/8. |
| 17.0 |
|
RB control module (N53)
Voltage supply
up to 9/95 |
|
|
|
Ignition: ON |
> 2.4 V
> 2.4 V
|
Wiring,
Fault in RB system (DM, Body & Access., Vol. 5, section 19.2),
N53 (SMS, Job No. 91-840). |
| 18.0 |
|
Power soft top
switch (S84)
Voltage supply |
|
|
|
Ignition: ON
Press S84 towards close
Ignition: ON
Press S84 towards open |
11 - 14 V
0 - 1 V
11 - 14 V
0 - 1 V
|
18.1,
N52. |
| 18.1 |
|
S84
Resistance |
|
|
N52
X2
39 |
Disconnect test cable from N52.
S84 in rest position
Press S84 towards close
|
>20 k
0 - 5
|
Wiring,
18.2,
S84. |
| 18.2 |
|
S84
Resistance |
|
|
N52
X2
22 |
S84 in rest position
Press S84 towards open |
>20 k
0 - 5
|
Wiring,
S84. |
| 19.0 |
|
RB switch (manual operation) (S83)
Voltage supply |
|
|
|
Ignition: ON
Press S83 towards raise
Ignition: ON
Press S83 towards lower
|
11 - 14 V
0 - 1 V
11 - 14 V
0 - 1 V |
19.1,
Wiring,
N52. |
| 19.1 |
|
S83
Resistance |
|
|
|
Disconnect test cable from N52.
S83 in rest position
Press S83 towards raise
S83 in rest position
Press S83 towards lower |
>20 k
0 - 5
>20 k
0 - 5
|
Wiring,
S83. |
| 20.0 |
|
Left front power window motor
(M10/3)
Voltage supply
control module
|
7 |
N52
X1
|
5
|
Ignition: OFF |
11 - 14 V |
Wiring. |
| 21.0 |
|
Right front power window motor
(M10/4)
Voltage supply
control module
|
11 |
N52
X1
|
8
|
Ignition: OFF |
11 - 14 V |
Wiring. |
| 22.0 |
|
VSS |
|
|
N52
X2
27 |
Ignition: ON
Rotate left front wheel (approx. 1 rev./sec.)
|
2.5 - 4.0 V |
Wiring,
N30, N30/1, N47/1 or N47/2,
N52. |
| 23.0 |
|
VSS signal status |
|
|
N52
X2
10 |
Drive vehicle:
< 5 mph
> 5 mph
|
3.125 Hz
25.00 Hz |
Wiring,
N30, N30/1, N47/1 or N47/2. |
| 24.0 |
|
Left front power window switch
(S21/1)
Voltage supply |
|
|
|
Ignition: ON |
11 - 14 V
11 - 14 V |
Wiring,
24.1,
N52. |
| 24.1 |
|
S21/1 close,
Lower limit stop control
Resistance |
|
|
N52
X2
21 |
Ignition: OFF
Disconnect test cable from N52.
Push switch (S21/1) back to second detent and then forward.
|
>20 k
0 - 1 |
Wiring,
24.2,
S21/1. |
| 24.2 |
|
S21/1 open,
Resistance |
|
|
N52
X2
20 |
Ignition: OFF
Disconnect test cable from N52.
Push switch (S21/1) back to first and second detent.
|
>20 k
0 - 1 |
Wiring,
S21/1. |
| 25.0 |
|
Right front power window switch
(S21/2)
Voltage supply
|
|
|
|
Ignition: ON |
11 - 14 V |
Wiring,
25.1,
N52. |
| 25.1 |
|
S21/2 close,
Lower limit stop control
Resistance |
|
|
N52
X2
2 |
Ignition: OFF
Disconnect test cable from N52.
Push switch (S21/2) back to second detent and then forward.
|
>20 k
0 - 1 |
Wiring,
25.2,
S21/2. |
| 25.2 |
|
S21/2 open,
Resistance |
|
|
N52
X2
1 |
Ignition: OFF
Disconnect test cable from N52.
Push switch (S21/2) back to first and second detent.
|
>20 k
0 - 1 |
Wiring,
S21/2. |
| 26.0 |
|
Left front power window motor
(M10/3)
Voltage supply to motor |
6
3 |
|
3
6
|
Ignition: ON
Switch (S21/1) in:
rest position
open
close |
0 - 1 V
11 - 14 V
11 - 14 V |
Wiring,
26.1,
N52. |
| 26.1 |
|
M10/3
Resistance |
3
4 |
|
6
6
|
Ignition: OFF
Disconnect test cable from N52. |
0.5 - 2.0
>20 k |
Wiring,
26.2,
M10/3 (SMS, Job No. 82-600). |
| 26.2 |
|
M10/3
Switch circuit 2) |
50 |
N52
X2
|
52
|
Ignition: ON |
11 - 14 V |
Wiring,
26.3,
N52.
|
| 26.3 |
|
M10/3
Switch circuit session 2) |
M10/3x2
2
M10/3x2
3 |
|
|
Ignition: OFF
Disconnect test cable from N52.
Disconnect M10/3x2 from M10/3.
|
< 1
< 1 |
Wiring,
26.4. |
| 26.4 |
|
M10/3
Switch circuit 2)
Short to circuit 31 |
|
|
14
15
|
Ignition: OFF
Disconnect test cable from N52.
Disconnect M10/3x2 from M10/3. |
>20 k
>20 k |
Wiring,
26.5. |
| 26.5 |
|
M10/3
Switch circuit 2)
Short |
15
50
52
50
52 |
|
|
Ignition: OFF
Disconnect test cable from N52.
Disconnect M10/3x2 from M10/3. |
>20 k
>20 k
>20 k
>20 k
>20 k |
Wiring. |
| 27.0 |
|
Right front power window motor
(M10/4)
Voltage supply to motor |
10
9 |
N52
X1
|
9
10
|
Ignition: ON
Switch (S21/2) in:
rest position
open
close |
0 - 1 V
11 - 14 V
11 - 14 V |
Wiring,
27.1,
N52. |
| 27.1 |
|
M10/4
Resistance |
9
4
|
|
10
10
|
Ignition: OFF
Disconnect test cable from N52. |
0.5 - 2.0
>20 k |
Wiring,
27.2,
M10/4 (SMS, Job No. 82-600). |
| 27.2 |
|
M10/4
Switch circuit 2) |
51 |
N52
X2
|
53
|
Ignition: ON |
10 - 14 V |
Wiring,
27.3,
N52.
|
| 27.3 |
|
M10/4
Switch circuit session 2) |
M10/4x2
2
M10/4x2
3 |
|
|
Ignition: OFF
Disconnect test cable from N52.
Disconnect M10/4x2 from M10/4.
|
< 1
< 1 |
Wiring,
27.4.
|
| 27.4 |
|
M10/4
Switch circuit 2)
Short to circuit 31 |
|
|
33
34
|
Ignition: OFF
Disconnect test cable from N52.
Disconnect M10/4x2 from M10/4.
|
>20 k
>20 k |
Wiring,
27.5. |
| 27.5 |
|
M10/4
Switch circuit 2)
Short |
34
51
53
51
53 |
|
|
Ignition: OFF
Disconnect test cable from N52.
Disconnect M10/4x2 from M10/4. |
>20 k
>20 k
>20 k
>20 k
>20 k |
Wiring. |
| 28.0 |
|
Power soft top switch indicator
lamp (S84)
|
- |
|
|
Ignition: ON
|
Indicator lamp in S84 momentarily
illuminates.
|
Wiring,
S84,
N52.
|
| 29.0 |
|
Left power soft top valve block,
soft top compartment cover "open"/soft top compartment cover lock "open"
valve (Y55/1y4)
Voltage supply
|
|
|
N52
X2
37 |
Ignition: OFF
Operate soft top compartment cover by pressing switch (S84):
unlock, open
close, lock
|
11 - 14 V
0 - 1 V |
29.1,
Wiring,
N52. |
| 29.1 |
|
Y55/1y4
Resistance |
|
|
N52
X2
37 |
Disconnect test cable from N52. |
5 - 15 |
Wiring,
Y55/1y4.
Nominal values are okay:
Check Y55/1y4 for mechanical binding.
|
| 30.0 |
|
Right power soft top valve block,
soft top "open"/front lock "open" valve (Y56/1y1)
Voltage supply
|
|
|
N52
X2
19 |
Ignition: ON
Operate soft top by pressing switch (S84):
unlock front
close, lock front
|
11 - 14 V
0 - 1 V |
30.1,
Wiring,
N52. |
| 30.1 |
|
Y56/1y1
Resistance |
|
|
N52
X2
19
|
Disconnect test cable from N52.
|
5 - 15 |
Wiring,
Y56/1y1.
Nominal values are okay:
Check Y56/1y1 for mechanical binding.
|
| 31.0 |
|
Left power soft top valve block,
soft top "closed" /fabric bow lock "closed" valve (Y55/1y1)
Voltage supply |
|
|
N52
X2
36 |
Ignition: ON
Operate soft top by pressing switch (S84):
close
open
Operate rear locks using switch (S84) to:
unlock
lock |
11 - 14 V
0 - 1 V
11 - 14 V
0 - 1 V
|
31.1,
Wiring,
N52. |
| 31.1 |
|
Y55/1y1
Resistance |
|
|
N52
X2
36
|
Disconnect test cable from N52.
|
5 - 15 |
Wiring,
Y55/1y1.
Nominal values are okay:
Check Y55/1y1 for mechanical binding.
|
| 32.0 |
|
Left power soft top valve block,
fabric bow "open" /soft top compartment cover"closed" valve (Y55/1y3)
Voltage supply |
|
|
N52
X2
18 |
Ignition: ON
Operate fabric bow by
pressing switch (S84):
raise
lower
Operate soft top
compartment cover using
switch (S84) to:
close
open |
11 - 14 V
0 - 1 V
11 - 14 V
0 - 1 V
|
32.1,
Wiring,
N52. |
| 32.1 |
|
Y55/1y3
Resistance |
|
|
N52
X2
18
|
Disconnect test cable from N52.
|
5 - 15 |
Wiring,
Y55/1y3.
Nominal values are okay:
Check Y55/1y3 for mechanical binding.
|
| 33.0 |
|
Left power soft top valve block,
fabric bow "closed" valve (Y55/1y2)
Voltage supply
|
|
|
N52
X2
55 |
Ignition: ON
Operate fabric bow by pressing switch (S84):
lower
raise
|
11 - 14 V
0 - 1 V |
33.1,
Wiring,
N52. |
| 33.1 |
|
Y55/1y2
Resistance |
|
|
N52
X2
55
|
Disconnect test cable from N52.
|
5 - 15 |
Wiring,
Y55/1y2.
Nominal values are okay:
Check Y55/1y2 for mechanical binding.
|
| 34.0 |
|
Right power soft top valve block,
RB "lower" valve (Y56/1y2)
Voltage supply |
|
|
N52
X2
54 |
Ignition: ON
Operate soft top switch (S84) or RB switch (S83) |
0 - 1 V
11 - 14 V
|
34.1,
Wiring,
N52. |
| 34.1 |
|
Y56/1y2
Resistance |
|
|
N52
X2
54
|
Disconnect test cable from N52.
|
5 - 15 |
Wiring,
Y56/1y2.
|
| 35.0 |
|
Right power soft top valve block,
RB "raise"
valve (Y56/1y3)
Voltage supply
|
|
|
N52
X2
17 |
Ignition: ON
Operate roll bar by pressing switch (S84) or switch (S83):
raise
lower
|
11 - 14 V
0 - 1 V |
35.1,
Wiring,
N52. |
| 35.1 |
|
Y56/1y3
Resistance |
|
|
N52
X2
17
|
Disconnect test cable from N52.
|
5 - 15 |
Wiring,
Y56/1y3.
Nominal values are okay:
Check Y56/1y3 for mechanical binding.
|
| 36.0 |
|
RST/RB hydraulic unit, overload
protection thermocouple (A7/5b1)
Pump temperature signal |
49 |
N52
X2
|
48
|
Ignition: OFF
Disconnect test cable from N52.
Pump temperature: 25 °C
Pump temperature: 85 °C
Pump temperature: 120 °C |
220 k
25 k
10 k
|
A7/5. |
| 37.0 |
|
Left door actuator (S47),right
door actuator (S48), trunk lid lock actuator (S49)
Up to 9/95 |
6
|
|
|
Disconnect ATA control module (N26).
Lock/unlock vehicle via central locking:
locked
unlocked
|
< 1V
11 - 14 V |
S47,
S48,
S49,
CL/vacuum supply pump (M14/1),
Wiring. |
| 37.1 |
|
Left door actuator (S47),right door
actuator (S48), trunk lid lock actuator (S49)
As of 9/95 |
31
|
|
|
Disconnect ATA control module (N26).
Lock/unlock vehicle via central locking:
locked
unlocked
|
< 1V
11 - 14 V |
S47,
S48,
S49,
CL/vacuum supply pump (M14/1),
Wiring. |
| 38.0 |
|
Left door switch group (S86),
right door ATA/CF microswitch (S87s1),
trunk lid ATA/CF
microswitch (S88s1)
Up to end of Model Year 1995 |
|
|
N52
X2
31 |
Ignition: OFF
Switches (S86, S87s1 and S88s1) in: rest position
S86: locked
S87s1: locked
S88s1: locked |
11 - 14 V
0 - 1 V
0 - 1 V
0 - 1 V
|
38.1,
Wiring,
M14/1,
N52,
N26,
RCL control module (N54). |
| 38.1 |
|
S86, S87s1, S88s1
Up to end of Model Year 1995 |
|
|
N52
X2
31 |
Ignition: OFF
Remove N52 from socket box.
Disconnect connectors from M14/1, N26 and N54.
Switches (S86, S87s1 and S88s1) in: rest position
S86: locked
S87s1: locked
S88s1: locked |
> 20 k
< 10
< 10
< 10
|
Wiring,
S86,
S87s1,
S88s1. |
| 38.2 |
|
Lock switch signal from RCL control
module (N54)
As of start of Model Year 1996 |
+ |
|
N52
X2
6 |
Ignition: OFF
Operate central locking system with infrared remote control or master key
Lock and hold
Unlock and hold |
11 - 14 V
11 - 14 V
|
Wiring,
RCL control module (N54),
Pneumatic supply pump (M14/1),
N52,
ATA control module (N26) |
| 39.0 |
|
Warning buzzer (E15h1) in dome
lamp (E15) |
|
|
|
Drive vehicle with soft top or hard
top closed, fabric bow unlocked. |
Warning buzzer sounds |
Wiring,
E15h1,
N52.
|
| 40.0 |
|
Left front door, rotary tumbler
microswitch (S86s2)
only with short-stroke power window control |
|
N52
X2
|
23
|
Ignition: ON
Left door
open
close |
0 - 1 V
11 - 14 V
|
Wiring,
S86s2,
N52. |
| 41.0 |
|
Right front door switch group,
rotary tumbler microswitch (S87s2)
only with short-stroke power window control |
|
N52
X2
|
40
|
Ignition: ON
Right door
open
close |
0 - 1 V
11 - 14 V
|
Wiring,
S87s2,
N52. |
| 42.0 |
|
RB switch (S83)
Warning lamp
Voltage supply |
24 |
N52
X2
|
+
|
Ignition: ON |
11 - 14 V
Measurable for approx. 1 second
|
Wiring,
N52. |
Printable
version
