Test step
DTC |
Test scope
|
Test connection
|
Test condition
|
Nominal value
|
Possible cause/Remedy
|
| 1.0 |
Rear power bench seat adjustment switch
group (S53/1)
Left switch
Voltage supply
|
3 
(3) |
S53/1
|
 4
(2) |
Ignition: ON
Connectors (2 and 3) from switch (S53/1) disconnected. |
11-14 V |
Wiring |
| 2.0 |
Rear power bench seat adjustment switch
group (S54/1)
Right switch
Voltage supply
|
4
(6) |
S54/1
|
3
(5) |
Ignition: ON
Connectors (5 and 6) from switch (S54/1) disconnected. |
11-14 V |
Wiring
|
| 3.0 |
Rear backrest/head restraint motor group, backrest fore/aft motor (M17/1m1)
Voltage supply
|
1
(1) |
M17/1m1
|
2
(1) |
Ignition: ON
Connector (1) from motor (M17/1m1) disconnected.
Press seat switch (S53/1s1):
forward
backward |
11-14 V
-11 to -14 V
|
Wiring,
Rear power bench seat adjustment switch group (S53/1),
Rear power bench seat adjustment switch group (S54/1) not connected. |
| |
|
|
|
|
Press seat switch (S54/1s1):
forward
backward |
11-14 V
-11 to -14 V
|
Rear power bench seat adjustment switch group (S54/1),
Rear power bench seat adjustment switch group (S53/1) not connected.
|
| 4.0 |
Rear backrest/head restraint motor group, backrest fore/aft motor (M17/1m1)
Resistance
|
1 
(1) |
M17/1m1
|
 2
(1) |
Connector (1) from motor (M17/1m1) disconnected. |
0.5-15  |
Rear backrest/head restraint motor group, backrest fore/aft
motor (M17/1m1) |
| 5.0 |
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 |
| 6.0 |
Rear power bench seat adjustment, head restraint raise/lower switch (S53/1s2)
Electrical circuit |
16 |
N32/12
|
17 |
Ignition: ON
Connector from module (N32/12) disconnected.
Press head restraint switch (S53/1s2):
head restraint up
head restraint down
|
11-14 V
-11 to -14 V
|
Wiring,
Rear power bench seat adjustment switch group (S53/1). |
| 7.0 |
Rear backrest/head restraint motor group, left rear head restraint raise/lower motor (M17/1m2)
Voltage supply
|
1
(2) |
M17/1m2
|
2
(2) |
Ignition: ON
Remove covering behind head restraint
Connector (2) from motor (M17/1m2) disconnected.
Press head restraint switch (S53/1s2):
head restraint up
head restraint down
|
constant value for 5-10 seconds
11-14 V
-11 to -14 V
|
Wiring,
Rear power bench seat adjustment switch group (S53/1),
Rear head restraint control
module (N32/12). |
| 8.0 |
Rear backrest/head restraint motor group, left rear head restraint raise/lower
motor (M17/1m2)
Resistance
|
2
(2) |
M17/1m2
|
1
(2) |
Connector (2) from motor (M17/1m2) disconnected. |
0.5-15 |
Rear backrest/head restraint motor group, left rear head restraint raise/lower motor (M17/1m2) |
| 9.0 |
Rear power bench seat adjustment switch group illumination (S53/1e1)
Voltage supply
|
3
(3) |
S53/1
|
2
(3) |
Connector (3) from switch (S53/1) disconnected.
Headlamps: ON
|
11-14 V |
Wiring |
| 10.0 |
Rear power bench seat adjustment switch group illumination (S53/1e1)
Resistance
|
3
(3) |
S53/1
|
2
(3) |
Connector (3) from switch (S53/1) disconnected.
|
approx. 10 |
Bulb,
Rear power bench seat adjustment switch group (S53/1). |
| 11.0 |
Rear power bench seat adjustment, head restraint raise/lower switch (S54/1s2)
Electrical circuit |
19 |
N32/12
|
18 |
Ignition: ON
Connector from module (N32/12) disconnected.
Press head restraint switch (S54/1s2):
head restraint up
head restraint down
|
11-14 V
-11 to -14 V
|
Wiring,
Rear power bench seat adjustment switch group (S54/1). |
| 12.0 |
Rear backrest/head restraint motor group, right rear head restraint raise/lower
motor (M17/1m3)
Voltage supply
|
1
(3) |
M17/1m3
|
2
(3) |
Ignition: ON
Remove covering behind head restraint
Connector (3) from motor (M17/1m2) disconnected.
Press head restraint switch (S53/1s2):
head restraint up
head restraint down
|
constant value for 5-10 seconds
11-14 V
-11 to -14 V
|
Wiring,
Rear power bench seat adjustment switch group (S54/1),
Rear head restraint control
module (N32/12). |
| 13.0 |
Rear backrest/head restraint motor group, right rear head restraint raise/lower
motor (M17/1m3)
Resistance
|
1
(3) |
M17/1m3
|
2
(3) |
Connector (3) from motor (M17/1m3) |
0.5-15 |
Rear backrest/head restraint motor group, right rear head restraint raise/lower motor (M17/1m3) |
| 14.0 |
Rear power bench seat adjustment switch group illumination (S54/1e1)
Voltage supply
|
4
(6) |
S54/1
|
1
(6) |
Connector (6) from switch (S54/1) disconnected.
Headlamps: ON
|
11-14 V |
Wiring |
| 15.0 |
Rear power bench seat adjustment switch group illumination (S54/1e1)
Resistance
|
4
(6) |
S54/1
|
1
(6) |
Connector (6) from switch (S54/1) disconnected.
|
approx. 10 |
Bulb,
Rear power bench seat adjustment switch group (S54/1). |
| 16.0 |
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). |
| 17.0 |
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
|
Rear power bench seat adjustment switch group (S53/1) |
| |
Right lectric alcircuit |
19 |
N32/12
|
' 18 |
Press switch (S52/5):
head restraint up
head restraint down |
11-14 V
-11 to -14 V
|
|
| 18.0 |
Rear backrest/head restraint motor group, left rear head restraint raise/lower
motor (M17/1m2)
Voltage supply
|
1
(2) |
M17/1m2
|
2
(2) |
Ignition: ON
Connector (2) from motor (M17/1m2) disconnected.
Press head restraint
switch (S52/5):
head restraint up
head restraint down
|
constant value for 5-10 seconds
11-14 V
-11 to -14 V |
Wiring,
Rear head restraint raise/lower switch (S52/5),
Rear head restraint control
module (N32/12). |
| 19.0 |
Rear backrest/head restraint motor group, right rear head restraint raise/lower
motor (M17/1m3)
Voltage supply
|
1
(3) |
M17/1m3
|
2
(3) |
Ignition: ON
Connector (3) from motor (M17/1m2) disconnected.
Press head restraint
switch (S52/5):
head restraint up
head restraint down
|
constant value for 5-10 seconds
11-14 V
-11 to -14 V
|
Wiring,
Rear head restraint raise/lower switch (S52/5),
Rear head restraint control
module (N32/12). |
| 20.0 |
Rear head restraint raise/lower switch (S52/5) illumination
Voltage supply
|
3 |
S52/5
|
5 |
Connector from switch (S52/5)
Headlamps: ON |
11-14 V |
Wiring,
Rear head restraint raise/lower switch (S52/5). |
 21.0 |
Rear head restraint raise/lower switch (S52/5) illumination
Resistance
|
3 |
S52/5
|
5 |
Connector from switch (S52/5) |
approx. 10 |
Wiring,
Rear head restraint raise/lower switch (S52/5). |
Printable version
