GPS 3
Allgemeiner Teil / General Section
GRUNDIG Service
1 - 29
Connector
Pin No.
Pin Name
IN/OUT
Measurement Pin
State
Condition
Criterion
Possible trouble when signal line cut or short circuit to body earth
1
MIN
IN
DC
The PHONE is on
HI 4…5V
LO 0…2V
NAVIGATION sound is not muted.
2
MOUT
OUT
DC
There is NAVIGATION sound from speaker
HI 4…13V
LO 0…2V
AUDIO ECU is not muted
3
Unused
4
DBRQ
IN
A4 - A8
DC
When the screen change
0…2V (LO)
10…14V (HI)
Nothing come out on the Navigation Screen.
5
DTX+
IN/OUT
-
-
At any time
-
Nothing come out on the Navigation Screen.
6
DTX-
IN/OUT
-
-
At any time
-
Nothing come out on the Navigation Screen.
7
DSG
IN
A8 - Body earth
Resistance
At any time
0
Ω
-
8
Unused
1
AUI+
IN
B1 - B8
DC
5…7V
There is no PHONE from Speaker
2
AUO+
OUT
B2 - B8
DC
The NAVIGATION is on
5…7V
There is no NAVIGATION sound from Speaker
3
Unused
4
REV
IN
B4 - B8
DC
When the Shift gear
10…14V
Although the car go back , "The point of position" moves forward.
5
+B
IN
B5 - B8
DC
At any time
10…14V
Course isn´t memorized. (Memeory of course is erased at Ignition OFF)
6
AUI-
IN
B6 - B8
DC
The PHONE is on
5…7V
There is no PHONE from Speaker
7
AUO-
OUT
B7 - B8
DC
The NAVIGATION is on
5…7V
There is no NAVIGATION sound from Speaker
8
GND
IN
B8 - Body earth
Resistance
At any time
0
Ω
-
9
Unused
10
Unused
11
Unused
12
SPD
IN
B12 - B8
DC
The Ignition is ON
Propeller shaft is rotated slowly
9V <-> 1V
On map picture, complex control is possible on the driving.
13
ACC
IN
B13 - B8
DC
ACC is ON
10…14V
Picture isn´t displayed
A
B
Connectors Main Unit