Test step |
Test scope |
Test connection |
Test condition |
Nominal value |
Possible cause/Remedy |
1.0 |
Left front ESA control module (N32/1)
Voltage supply |
|
|
|
Connector (2) unplugged from N32/1. |
11 - 14 V
11 - 14 V
11 - 14 V |
Wiring,
CF relay module (K24). |
2.0 |
Fore/aft switch (S91s1)
Resistance |
4
(1) |
N32/1
|
3
(1)
|
Connector (1) unplugged from N32/1.
Press switch (S91s1):
forward
backward
|
approx. 2.2 k
approx. 43
approx. 16 |
Wiring,
S91 |
3.0 |
Fore/aft motor (M27m1)
Voltage supply
Up to 11/96 |
|
|
|
Connector (1) plugged at N32/1.
Set backrest vertical.
Connector (7) unplugged from N32/1.
Press switch (S91s1):
forward
backward |
< 1 V
11 - 14 V
-11 to -14V
approx. 5 V
approx. 5 V
|
Wiring,
S91,
N32/1 |
[ 3.0] |
Fore/aft motor (M27m1)
Voltage supply
Hall sensor
As of 12/96 |
|
|
|
Connector (1) plugged at N32/1.
Set backrest vertical.
Connector (7) unplugged from N32/1.
Press switch (S91s1):
forward
backward
Open connector (7) and connect to N32/1
|
< 1 V
for 1 second:
11 - 14 V
for 1 second:
-11 to -14 V
11 - 14 V
7.7 - 8.8 V
or
11.3 - 12.7 V
|
Wiring,
S91,
N32/1
N32/1
Wiring,
M27m1 |
4.0 |
Fore/aft motor (M27m1)
|
4
(2)
1
(2)
|
N32/1
|
1
(7)
2
(7)
|
Connectors (7) and (2) unplugged from N32/1.
Danger of being wedged in.
Bridge sockets 4 and 1 with fused jumper wire
124 589 37 63 00
|
Motor (M27m1)
runs.
|
Wiring,
M27m1 |
5.0 |
Front raise/lower
switch (S91s3)
Resistance |
4
(1) |
N32/1
|
2
(1)
|
Connector (1) unplugged from N32/1.
Press switch (S91s3):
raise front
lower front
|
approx. 2.2 k
approx. 43
approx. 16 |
Wiring,
S91 |
6.0 |
Front raise/lower
motor (M27m3)
Voltage supply
Up to 11/96 |
|
|
|
Connector (1) plugged in at N32/1.
Connector (6) unplugged from N32/1.
Press switch (S91s3):
raise front
lower front |
< 1 V
11 - 14 V
-11 to -14 V
approx. 5 V
approx. 5 V |
Wiring,
S91,
N32/1 |
[6.0] |
Front raise/lower
motor (M27m3)
Voltage supply
Hall sensor
As of 12/96 |
|
|
|
Connector (1) plugged in at N32/1.
Connector (6) unplugged from N32/1.
Press switch (S91s3):
raise front
lower front
Open connector (6) and connect to N32/1 |
< 1 V
for 1 second:
11 - 14 V
for 1 second:
-11 to -14 V
11 - 14 V
7.7 - 8.8 V
or
11.3 - 12.7 V
|
Wiring,
S91,
N32/1
N32/1
Wiring,
M27m3 |
7.0 |
Front raise/lower
motor (M27m3)
|
4
(2)
1
(2)
|
N32/1
|
1
(6)
5
(6)
|
Connectors (6) and (2) unplugged from N32/1.
Danger of being wedged in.
Bridge sockets 4 and 1 with fused jumper wire
124 589 37 63 00
|
Motor (M27m3)
runs.
|
Wiring,
M27m3 |
8.0 |
Rear raise/lower
switch (S91s2)
Resistance |
4
(1) |
N32/1
|
3
(1) |
Connector (1) unplugged from N32/1.
Press switch (S91s2):
raise rear
lower rear |
approx. 2.2 k
approx. 160
approx. 75
|
Wiring,
S91 |
9.0 |
Rear raise/lower
motor (M27m2)
Voltage supply
Up to 11/96 |
|
|
|
Connector (1) plugged in N32/1.
Connector (5) unplugged from N32/1.
Press switch (S91s3):
raise rear
lower rear |
< 1 V
11 - 14 V
-11 to -14 V
approx. 5 V
approx. 5 V |
Wiring,
S91,
N32/1 |
[9.0] |
Rear raise/lower
motor (M27m2)
Voltage supply
Hall sensor
As of 12/96 |
|
|
|
Connector (1) plugged in at N32/1.
Connector (5) unplugged from N32/1.
Press switch (S91s3):
raise front
lower front
Open connector (5) and connect to N32/1 |
< 1 V
for 1 second:
11 - 14 V
for 1 second:
-11 to -14 V
11 - 14 V
7.7 - 8.8 V
or
11.3 - 12.7 V |
Wiring,
S91,
N32/1
N32/1
Wiring,
M27m2 |
10.0 |
Rear raise/lower
motor (M27m2)
Resistance |
4
(2)
1
(2)
|
N32/1
|
1
(5)
2
(5)
|
Connector (2) and (5) unplugged from N32/1.
Danger of being wedged in.
Bridge sockets 4 and 1 with fused jumper wire
124 589 37 63 00
|
Motor (M27m2) runs. |
Wiring,
M27m2 |
11.0 |
Backrest fore/aft
switch (S91s5)
Resistance |
4
(1) |
N32/1
|
1
(1) |
Connector (1) unplugged from N32/1.
Press switch (S91s5):
forward
rearward
|
approx. 2.2 k
approx. 42
approx. 16
|
Wiring,
S91
|
12.0 |
Backrest fore/aft
motor (M27m5)
Voltage supply
Up to 11/96 |
|
|
|
Connector (1) plugged in at N32/1.
Connector (8) unplugged from N32/1.
Press switch (S91s5):
forward
rearward |
< 1 V
11 - 14 V
-11 to -14 V
approx. 5 V
approx. 5 V |
Wiring,
S91,
N32/1 |
[12.0] |
Rear raise/lower
motor (M27m5)
Voltage supply
Hall sensor
As of 12/96 |
|
N32/1
N32/1
N32/1
(8) (8)
|
|
Connector (1) plugged in at N32/1.
Connector (8) unplugged from N32/1.
Press switch (S91s5):
raise front
lower front
Open connector (8) and connect to N32/1 |
< 1 V
for 1 second:
11 - 14 V
for 1 second:
-11 to -14 V
11 - 14 V
7.7 - 8.8 V
or
11.3 - 12.7 V |
Wiring,
S91,
N32/1
N32/1
Wiring,
M27m5 |
13.0 |
Rear raise/lower
motor (M27m5)
Resistance |
4
(2)
1
(2)
|
N32/1
|
1
(8)
2
(8)
|
Connector (2) and (8) unplugged from N32/1.
Danger of being wedged in.
Bridge sockets 4 and 1 with fused jumper wire
124 589 37 63 00
|
Motor (M27m5) runs. |
Wiring,
M27m5 |
14.0 |
Head restraint raise/lower
switch (S91s4)
Resistance |
4
(1) |
N32/1
|
2
(1) |
Connector (1) unplugged from N32/1.
Press switch (S91s4):
raise
lower
|
approx. 2.2 k
approx. 160
approx. 75 |
Wiring,
S91 |
15.0 |
Head restraint raise/lower motor (M27m4)
Voltage supply
Up to 11/96 |
|
|
|
Connector (1) plugged in at N32/1.
Connector (9) unplugged from N32/1.
Press switch (S91s4):
raise
lower |
< 1 V
-11 to -14 V
11 - 14 V
approx. 5 V
approx. 5 V |
Wiring,
S91,
N32/1 |
[15.0] |
Head restraint raise/lower motor (M27m4)
Voltage supply
Hall sensor
As of 12/96 |
|
|
|
Connector (1) plugged in at N32/1.
Connector (9) unplugged from N32/1.
Press switch (S91s4):
raise
lower
Open connector (9) and connect to N32/1 |
< 1 V
for 1 second:
-11 to -14 V
for 1 second:
11 - 14 V
11 - 14 V
7.7 - 8.8 V
or
11.3 - 12.7 V
|
Wiring,
S91,
N32/1
N32/1
Wiring,
M27m4 |
16.0 |
Head restraint raise/lower motor (M27m4)
|
4
(2)
1
(2)
|
N32/1
|
1
(9)
4
(9)
|
Connector (9) unplugged from N32/1.
Danger of being wedged in.
Bridge sockets 4 and 1 with fused jumper wire
124 589 37 63 00
|
Motor (M27m4) runs.
|
Wiring,
M27m4 |
17.0 |
Left front power seat switch group (S91), position memory
Resistance |
|
|
|
Connector (1) unplugged from N32/1.
Memory button 1 switch:
Rest position:
Push button:
Memory button 2 switch:
Rest position:
Push button:
Memory button 3 switch:
Rest position:
Push button:
Green memory button switch:
Rest position:
Push button:
|
approx. 2.2 k approx. 167
approx. 2.2 k approx. 330
approx. 2.2 k approx. 330
approx. 2.2 k approx. 330
|
S91 |
18.0 |
Left front power seat
switch group (S91)
Voltage supply |
|
|
|
Connector (1) unplugged from N32/1. |
approx. 5 V
approx. 5 V
approx. 5 V |
N32/1 |
19.0 |
Left seat proximity control module (N32/5)
Voltage supply |
4
1
(4) |
N32/1
|
2
2
(4) |
Connector (4) unplugged from N32/1. |
11 - 14 V
11 - 14 V |
N32/1 |
20.0 |
Left seat proximity control module (N32/5)
Voltage supply |
|
N32/1
|
4
(4) |
Move backrest backward until it rests against soft top compartment wall.
Unplug connector (4) from N32/1.
Open connector and remove the wiring.
Plug the connector in again at N32/1.
|
> 4 V |
Wiring,
N32/5 |
21.0 |
Left front power seat
switch group
illumination (S91e1)
Voltage supply |
6 |
S91
|
3 |
S91 removed.
Connector (1) unplugged from S91.
Parking lamps turned on. |
11 - 14 V |
Wiring. |
22.0 |
Left backrest lock
switch (S52/1) (left seat)
Right backrest lock
switch (S52/2) (left seat)
Resistance |
5
5
|
N32/7
N32/7
|
8
10
|
Left backrest lock safety package (N32/7) unplugged.
Backrest latched.
Backrest unlatched.
Backrest latched.
Backrest unlatched. |
< 1
> 20 k
< 1
> 20 k |
Wiring,
S52/1,
S52/2 |
23.0 |
Left front power seat
switch group (S91)
Resistance |
|
|
|
Connector (1) disconnected from N32/1. |
approx. 2.2 k
approx. 2.2 k
approx. 2.2 k |
Wiring,
S91 |
24.0 |
Left backrest lock safety package (N32/7)
Voltage supply |
1 |
N32/7
|
5 |
N32/7 disconnected.
Ignition: ON
Note:
If N32/7 is unplugged, the acoustical warning from the right backrest lock safety package (N32/8) sounds for approx. 20 seconds.
|
11 - 14 V |
24.1 |
24.1 |
Wiring between the left and right backrest lock safety package |
N32/7
7 |
|
N32/8
5 |
Left and right backrest lock safety packages unplugged. |
< 1 |
Wiring. |
25.0 |
Left backrest lock safety package (N32/7)
Signal output for automatic latch |
|
N32/1
|
3
(4) |
Connector (4) unplugged from N32/1.
Backrest unlatched.
Both doors closed.
Ignition: ON |
> 4 V
|
Wiring,
N32/7 |
26.0 |
Seat belt/backrest lock reminder lamp (A1e9) |
|
|
|
Ignition: ON
Start engine.
Right backrest unlatched.
Both doors closed. |
Reminder lamp must illuminate. |
If the nominal value is obtained:
Wiring,
N32/7
If the nominal value is not obtained:
Wiring,
A1e9
|
27.0 |
Warning signal from left backrest lock safety
package (N32/7) and from right backrest lock safety
package (N32/8) |
|
|
|
N32/8 unplugged.
Connector N32/8 removed.
Open connector and remove socket 3.
Plug N32/8 into connector again.
Ignition: ON
Start engine
Left and right backrest latched.
Both doors closed.
|
Reminder lamp goes out. |
If the nominal value is not obtained:
Wiring,
N32/7
If the nominal value is obtained:
N32/8. |