| Test step |
Test scope |
Test connection |
Test condition |
Nominal value |
Possible cause/Remedy |
| 1.0 |
PSE control
module (A37 or A37/1)
Voltage supply
circuit 30 and circuit 15
|
21 
|
A37
 |
 7
|
|
11 - 14 V |
 1.1,
Circuit 31
|
| |
|
21
|
A37
|
4
|
Ignition: ON
Ignition: OFF
|
11 - 14 V
<1 V
|
1.1,
Circuit 31
|
| 1.1 |
Circuit 30 |
|
A37
|
7
|
|
11 - 14 V
|
Circuit 30
|
| |
Circuit 15 |
|
A37
|
4
|
Ignition: ON
Ignition: OFF
|
11 - 14 V
<1 V
|
Circuit 15
|
| 2.0 |
Interior dome lamp
switching circuit |
21
|
A37
|
12
|
Lock the vehicle.
Unlock the vehicle.
|
<1V
11 - 14 V |
Wiring,
23 PSE/CL 2.0,
3.0, 4.0,
PSE control module (A37 or A37/1).
Wiring,
23 PSE/CL 2.0,
3.0, 4.0,
(A37 or A37/1),
E15 (Dome lamp).
|
3.0
Sedan only |
Left rear door switch (S17/5),
Right rear door switch (S17/6) |
21
|
A37
|
19
|
Remove fuse (F4-11).
Close rear doors.
Alternately open and close left and right rear doors.
Both rear doors closed.
One rear door open. |
11 - 14 V
<1V |
Wiring,
3.1,
3.2,
A37 or A37/1.
Wiring,
3.1,
3.2,
A37 or A37/1.
|
3.1
Sedan only |
Left rear door switch (S17/5) |
21
|
A37
|
19
|
Disconnect A37 or A37/1 from
Disconnect S17/6.
Open left rear door.
Close left rear door.
|
<40 
>20 k |
Wiring,
S17/5.
Wiring,
S17/5. |
3.2
Sedan only |
Right rear door switch (S17/6) |
21
|
A37
|
19
|
Disconnect A37 or A37/1 from
Disconnect S17/5.
Open right rear door.
Close right rear door.
|
<40
>20 k |
Wiring,
S17/6.
Wiring,
S17/6. |
| 4.0 |
Ignition/starter switch (S2/1)
Warning buzzer contact |
17
|
A37
|
7
|
Key removed from
steering lock.
Key in position 1
|
11 - 14 V
<1V
|
Wiring,
S2/1.
Wiring,
S2/1.
|
| 5.0 |
PSE control
module (A37 or A37/1)
Internal connection, warning buzzer contact
|
A37
17 |
|
A37
(3)
 2 |
Remove fuse (F4-11).
Disconnect connector 3 on A37 or A37/1.
|
<1
|
A37 or A37/1.
|
6.0
Sedan only |
PSE control
module (A37 or A37/1)
Internal connection, rear door contact switches |
A37
19 |
|
A37
(2)
2 |
Remove fuse (F4-11).
Disconnect connector 2 on A37 or A37/1.
|
<1
|
A37 or A37/1.
|
| 7.0 |
"REST" function circuit |
21
|
A37
|
11
|
Ignition: OFF
Ignition: OFF
Engine coolant
temperature >50° C.
Disconnect the transparent pneumatic line at the PSE pneumatic control module
junction connector.
Push  on N22.
|
<1V
11 - 14 V
PSE control module turns ON
|
Wiring,
Auxiliary coolant pump control
relay module (REST, engine OFF cooling) (K30),
Automatic A/C control
module (N22).
Wiring,
K30,
N22/1.
|
8.0
Vehicles as of 12/93 only |
Immobilization output |
A37
(2)
1 |
|
A37
7 |
Disconnect connector 2 at A37 or A37/1.
Unlock vehicle at one of three locking points.
Open left front door window.
Lock vehicle at one of three locking points.
Ignition: ON
|
11 - 14 V
<1 V |
Wiring,
23 PSE/CL 2.0,
3.0, 4.0,
A37 or A37/1.
|
| 9.0 |
Diagnostic output |
21
|
A37
|
5
|
Ignition: ON
|
11 - 14 V
|
Wiring,
A37, A37/1.
|
Printable
version
