 |
 |
Test scope |
Test connection
|
Test condition |
Nominal value |
Possible cause/Remedy |
| 1.0 |
   |
Voltage supply
Circuit 30 |
4 
(1)
4
(1)
|
|
 5
(1)
8
(1) |
Ignition: OFF
Connect test cable and socket box, see  22
|
11 - 14 V |
Wiring (interruption or open circuit),
Battery,
Voltage regulator defective,
Generator defective. |
| 1.1 |
|
Circuit 15
|
4
(1) |
N52
 |
2
(1) |
Ignition: ON |
11 - 14 V |
Wiring (interruption or open circuit),
Interior/taillamp harness
connector (X18/3) disconnected,
Ignition/starter switch defective.
|
| 2.0 |
|
Terminal 61 |
 |
N52
|
35
(2)
|
Start engine,
connect test cable and socket box, see 22 |
11 - 14 V |
Wiring,
Harness connector 30/30ue/61e/87L (X10),
Generator. |
| 3.0 |
   |
Power soft top control module (N52) |
|
|
|
Ignition: ON |
|
N52. |
| 4.0 |
  |
Left front seat belt lock relay module (K18/2) with harness |
N52
25
(2)
W18
(B1)
1  |
|
|
Ignition: OFF
Disconnect left ESA connector block (X55/3). |
< 1 
> 11 V
60 - 90 |
Wiring (interruption or open circuit),
Fuse 3B circuit 30
(F20-3B) defective.
Wiring (interruption or open circuit).
Connector disconnected at K18/2,
Replace seat belt tensioner (see
SMS, Model 129, Job no. 91-502).
|
| 4.1 |
|
Insulation resistance |
W18 |
|
X55/3
(B1)
 1
|
Disconnect left ESA connector block (X55/3, B1). |
>20 k
|
Short circuit after circuit 31 |
| 4.2 |
|
Insulation resistance |
(B1)
1
|
X55/3
 |
(B)
2 |
Disconnect left ESA connector block (X55/3, B1). |
>20 k
|
Short circuit after circuit 15, 30 |
| 4.3 |
|
Wiring |
47
(2)
47
(2) |
|
25
(2)
 |
Socket box connected. |
>20 k
>20 k |
Short circuit after circuit 31
Short circuit after circuit 15, 30 |
| 5.0 |
|
Right front seat belt lock relay module (K18/3) |
N52
16
(2)
W19
(B1)
1 |
|
|
Ignition: OFF
Disconnect connector on power soft top control module (N52).
Disconnect right ESA connector block (X55/4). |
< 1
> 11 V
60-90 |
Wiring (interruption or open circuit),
Fuse 3B circuit 30
(F20-3B) defective.
Wiring (interruption or opencircuit).
Connector disconnected at K18/3,
Replace seat belt tensioner (see
SMS, Model 129, Job no. 91-502).
|
| 5.1 |
|
Insulation resistance |
W19 |
|
X55/4
(B1)
1
|
Disconnect right ESA connector block (X55/4, B1). |
>20 k |
Short circuit after circuit 31 |
| 5.2 |
|
Insulation resistance |
(B1)
1 |
X55/4
|
(B)
2
|
Disconnect right ESA connector block (X55/4, B1). |
>20 k |
Short circuit after circuit 15, 30 |
| 5.3 |
|
Wiring
|
47
(2)
47
|
|
16
(2)
|
Socket box connected |
>20 k
>20 k
|
Short circuit after circuit 31
Short circuit after circuit 15, 30 |
| 6.0 |
|
RB deployment solenoid (Y57/1) with harness
|
1 |
X23
|
2 |
Ignition: OFF
 CAUTION!
Calibrate multimeter prior to measuring ohms
Disconnect RB solenoid valve connector (X23) (2-pole).
|
0.5 - 1.5 |
Connector disconnected at Y57/1,
Right support and actuation actuator defective. |
| 6.1 |
|
Insulation resistance |
W19
W19 |
|
X23
2
X23
1
|
|
>20 k
>20 k |
Short circuit after circuit 31
Short circuit after circuit 31 |
| 6.2 |
|
Insulation resistance |
1
2
|
X23
X23
|
2
2
|
|
>20 k
>20 k |
Short circuit after circuit 15, 30
Short circuit after circuit 15, 30 |
| 7.0 |
  |
RB MIL (A1e29)
|
+ |
N52
 |
13
(2)
|
Ignition: ON |
RB MIL illuminates. |
RB MIL (A1e29) connector,
Interior/taillamp harness connector (X18/3) (1-pole) disconnected,
Harness interrupted or open circuit. |
| 8.0 |
|
Left front seat belt buckle/belt lock
switch (S68/7) with harness |
W18 |
|
N52
9
(2)
|
Ignition: OFF
Disconnect connector at power soft top control module (N52).
Seat belt buckle latched.
Seat belt buckle not latched.
|
< 1
>20 k |
Wiring (interruption or open circuit),
Seat belt buckle defective. |
| 8.1 |
|
|
1 |
X55/3
|
2 |
Disconnect left ESA connector block (X55/3).
Seat belt buckle latched.
Seat belt buckle not latched.
|
< 1
>20 k |
Seat belt buckle defective. |
| 9.0 |
|
Right front seat belt buckle/belt lock
switch (S68/8) with harness |
W19 |
|
N52
41 |
Ignition: OFF
Disconnect connector at power soft top control module (N52).
Seat belt buckle latched.
Seat belt buckle not latched.
|
< 1
>20 k |
Wiring (interrupted or open circuit),
Seat belt buckle defective. |
| 9.1 |
|
|
1 |
X55/3
|
2 |
Disconnect left ESA connector block (X55/3).
Seat belt buckle latched.
Seat belt buckle not latched.
|
< 1
>20 k |
Seat belt buckle defective. |
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