Test step
DTC |
Test scope
|
Test connection
|
Test condition
|
Nominal value
|
Possible cause/Remedy
|
| 1.0 |
Left rear power seat adjustment switch
group (S55/1)
Voltage supply
|
4 
(1) |
S55/1
|
 3
(1) |
Ignition: ON
Connector (1) from switch (S55/1) disconnected. |
11-14 V |
Wiring |
| 2.0 |
Left rear power seat motor group, cushion inclination raise/lower motor (M18/1m2)
Voltage supply
|
2
(2) |
M18/1m2
|
1
(2) |
Ignition: ON
Connector (2) from motor (M18/1m2) disconnected.
Press seat switch (S55/1s3):
cushion up
cushion down |
11-14 V
-11 to -14 V
|
Wiring,
Left rear power seat adjustment switch group (S55/1).
|
| 3.0 |
Left rear power seat motor group, cushion inclination raise/lower motor (M18/1m2)
Resistance
|
1 
(2) |
M18/1m2
|
 2
(2) |
Connector (2) from motor (M18/1m1) disconnected. |
0.5-15  |
Left rear power seat motor group, cushion inclination raise/lower
motor (M18/1m2) |
| 4.0 |
Left rear power seat motor group, backrest fore/aft
motor (M18/1m1)
Voltage supply
|
1
(1) |
M18/1m1
|
2
(1) |
Ignition: ON
Connector (1) from motor (M18/1m1) disconnected.
Press seat switch (S55/1s1):
forward
backward |
11-14 V
-11 to -14 V
|
Wiring,
Left rear power seat adjustment switch group (S55/1),
Left rear power seat motor group, seat cushion adjustment limit
switch (M18/1s2). |
| |
Left rear power seat motor group, seat cushion fore/aft motor (M18/1m4)
Voltage supply
At a specific backrest inclination, the seat cushion fore/aft motor (m4) is activated by the limit switches (s1 and s2)
|
1
(4) |
M18/1m4
|
2
(4) |
Connect connector (1) to motor (M18/1m1)
Connector (4) from motor (M18/1m4)
Press seat switch (S55/1s1) rearward until limit switches (M18/1s1 and s2) turn motor (m4) off
|
11-14 V |
|
| 5.0 |
Left rear power seat motor group, backrest fore/aft
motor (M18/1m1)
Resistance
|
1
(1) |
M18/1m1
|
2
(1) |
Connector (1) from motor (M18/1m1) disconnected. |
0.5-15 |
Left rear power seat motor group, backrest fore/aft motor (M18/1m1) |
| 6.0 |
Left rear power seat motor group, seat cushion fore/aft motor (M18/1m4)
Resistance
|
1 |
M18/1m4
(4) (4) |
2 |
Connector (4) from motor (M18/1m4) |
0.5-15 |
Left rear power seat motor group, seat cushion fore/aft
motor (M18/1m4) |
| 7.0 |
Left rear power seat adjustment switch group, head restraint raise/lower switch (S55/1s2)
Electrical circuit |
17 |
N32/12
|
16 |
Ignition: ON
Connector from module (N32/12) disconnected.
Press head restraint switch (S55/1s2):
head restraint up
head restraint down
|
11-14 V
-11 to -14 V
|
Wiring,
Left rear power seat adjustment switch group (S55/1). |
| 8.0 |
Rear head restraint control module (N32/12)
Voltage supply
|
12 |
N32/12
|
9 |
Ignition: ON
Connector from module (N32/12) disconnected. |
11-14 V |
Wiring |
| 9.0 |
Left rear power seat motor group, head restraint raise/lower motor (M18/1m3)
Voltage supply |
1
(3) |
M18/1m3
|
(3) 2 |
Ignition: ON
Remove panel behind rear head restraints
Connector (3) from motor (M18/1m3) disconnected.
Press head restraint switch (S55/1s2):
head restraint up
head restraint down
|
11-14 V
-11 to -14 V
|
Wiring,
Rear head restraint control
module (N32/12). |
| 10.0 |
Left rear power seat motor group, head restraint raise/lower motor (M18/1m3)
Resistance
|
1
(3) |
M18/1m3
|
2
(3) |
Connector (3) from motor (M18/1m3) disconnected. |
0.5-15 |
Left rear power seat motor group, head restraint raise/lower
motor (M18/1m3) |
| 11.0 |
Left rear power seat adjustment switch group illumination (S55/1e1)
Voltage supply
|
4
(1) |
S55/1
|
4
(3) |
Connectors (1 and 3) from switch (S55/1) disconnected.
Headlamps: ON
|
11-14 V |
Wiring |
| 12.0 |
Left rear power seat adjustment switch group illumination (S55/1e1)
Resistance
|
4
(1) |
S55/1
|
4
(3) |
Connectors (1 and 3) from switch (S55/1) disconnected.
|
approx. 10 |
Bulb,
Left rear power seat adjustment switch group (S55/1). |
| 13.0 |
Right rear power seat adjustment switch
group (S55/2)
Voltage supply
|
3
(4) |
S55/2
|
4
(4) |
Ignition: ON
Connector (4) from switch (S55/2) disconnected. |
11-14 V |
Wiring |
| 14.0 |
Right rear power seat motor group, cushion inclination raise/lower motor (M18/2m2)
Voltage supply
|
2 |
M18/2m2
(2) (2) |
1 |
Ignition: ON
Connector (2) from motor (M18/2m2) disconnected.
Press seat switch (S55/2s3):
cushion up
cushion down |
11-14 V
-11 to -14 V
|
Wiring,
Right rear power seat adjustment switch group (S55/2).
|
| 15.0 |
Right rear power seat motor group, cushion inclination raise/lower motor (M18/2m2)
Resistance
|
1
(2)
|
M18/2m2
|
2
(2) |
Connector (2) from motor (M17/2m1) disconnected. |
0.5-15 |
Right rear power seat motor group, cushion inclination raise/lower
motor (M18/2m2) |
| 16.0 |
Right rear power seat motor group, backrest fore/aft
motor (M18/2m1)
Voltage supply
|
2
(1) |
M18/2m1
|
1
(1) |
Ignition: ON
Connector (1) from motor (M18/2m1) disconnected.
Press seat switch (S55/2s1):
forward
backward |
11-14 V
-11 to -14 V
|
Wiring,
Right rear power seat adjustment switch group (S55/2),
Right rear power seat motor group, seat cushion adjustment limit
switch (M18/2s2). |
| |
Right rear power seat motor group, seat cushion fore/aft motor (M18/2m4)
Voltage supply
At a specific backrest inclination, the seat cushion fore/aft motor (m4) is activated by the limit switches (s1 and s2)
|
1
(4) |
M18/2m4
|
2
(4) |
Connect connector (1) to motor (M18/2m1)
Connector (4) from motor (M18/2m4)
Press seat switch (S55/2s1) rearward until limit switches (M18/2s1 and s2) turn motor (m4) off
|
11-14 V |
|
| 17.0 |
Right rear power seat motor group, backrest fore/aft
motor (M18/2m1)
Resistance
|
1
(1) |
M18/2m1
|
2
(1) |
Connector (1) from motor (M18/2m1) disconnected. |
0.5-15 |
Right rear seat motor group, backrest fore/aft motor (M18/2m1) |
| 18.0 |
Right rear power seat motor group, seat cushion fore/aft motor (M18/2m4)
Resistance
|
1
(4) |
M18/2m4
|
2
(4) |
Connector (4) from motor (M18/2m4) |
0.5-15 |
Right rear seat motor group, seat cushion fore/aft motor (M18/2m4) |
| 19.0 |
Right rear power seat adjustment switch group, head restraint raise/lower switch (S55/2s2)
Electrical circuit |
19 |
N32/12
|
18 |
Ignition: ON
Connector from module (N32/12) disconnected.
Press head restraint switch (S55/2s2):
head restraint up
head restraint down
|
11-14 V
-11 to -14 V
|
Wiring,
Right rear power seat adjustment switch group (S55/2). |
| 20.0 |
Right rear power seat motor group, head restraint raise/lower motor (M18/2m3)
Voltage supply |
2
(3) |
M18/2m3
|
1
(3) |
Ignition: ON
Remove panel behind rear head restraints
Connector (3) from motor (M18/2m3) disconnected.
Press head restraint switch (S55/2s2):
head restraint up
head restraint down
|
11-14 V
-11 to -14 V
|
Wiring,
Rear head restraint control
module (N32/12). |
| 21.0 |
Right rear power seat motor group, head restraint raise/lower motor (M18/2m3)
Resistance
|
1
(3) |
M18/2m3
|
2
(3) |
Connector (3) from motor (M18/2m3) disconnected. |
0.5-15 |
Right rear power seat motor group, head restraint raise/lower motor (M18/2m3) |
| 22.0 |
Right rear power seat adjustment switch group illumination (S55/2e1)
Voltage supply
|
3
(4) |
S55/2
|
3
(6) |
Connectors (4 and 6) from switch (S55/2) disconnected.
Headlamps: ON
|
11-14 V |
Wiring |
| 23.0 |
Right rear power seat adjustment switch group illumination (S55/2e1)
Resistance
|
3
(4) |
S55/2
|
3
(6) |
Connectors (4 and 6) from switch (S55/2) disconnected.
|
approx. 10 |
Bulb,
Right rear power seat adjustment switch group (S55/2). |
| 24.0 |
Rear head restraint raise/lower switch (S52/5)
Voltage supply
|
3 |
S52/5
|
4 |
Ignition: ON
Connector from switch (S52/5) |
11-14 V |
Wiring,
Rear head restraint raise/lower switch (S52/5). |
| 25.0 |
Rear head restraint raise/lower switch (S52/5)
Left electrical circuit |
16 |
N32/12
|
17 |
Ignition: ON
Connector from module (N32/12) disconnected.
Press switch (S52/5):
head restraint up
head restraint down |
11-14 V
-11 to -14 V
|
Left rear power seat adjustment switch group (S55/1),
Rear head restraint raise/lower switch (S52/5). |
| |
Right electrical circuit |
19 |
N32/12
|
18 |
Press switch (S52/5):
head restraint up
head restraint down |
11-14 V
-11 to -14 V
|
|
 26.0 |
Rear head restraint raise/lower switch (S52/5)
Voltage supply
|
3 |
S52/5
|
5 |
Connector from switch (S52/5) disconnected.
Headlamps: ON |
11-14 V |
Wiring,
Rear head restraint raise/lower switch (S52/5). |
| 27.0 |
Rear head restraint raise/lower switch (S52/5)
Resistance
|
3 |
S52/5
|
5 |
Connector from switch (S52/5) disconnected. |
approx. 10 |
Wiring,
Rear head restraint raise/lower switch (S52/5). |
Printable version
