BMW E9x Junction Box Electronics
1
|
X14270 (47 pin) Wiring Harness
|
2
|
X4010 (23 pin) Power Distribution Box
|
3
|
X14271 (54 pin) Wiring Harness
|
4
|
X14272 (54 pin) Instrumentation
|
E9x Power Distribution Box
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E9X Distribution Box Interface | |
1 | Wiring Harness Connector |
2 | Horn Relay soldered to the circuit board |
3 | Terminal 30 Relay soldered to the circuit board |
4 | Terminal 15 Relay soldered to the circuit board |
5 | Terminal 30g |
6 | Power Supply |
7 | Windshield Washer Relay |
8 | Secondary Air Pump Relay |
9 | Interface Connector to Junction Box Electronics |
10 | Rear Window Wiper Relay |
11 | Rear Window Defogger Relay |
12 | Wiper Stage 1 Relay |
13 | Wiper Stage 2 Relay soldered to the circuit board |
Pin #
|
Function
|
1
|
Secondary Air Pump Activation (switched ground)
|
2
|
not used
|
3
|
Terminal 87, DME Secondary Air Pump
|
4
|
Fuel Pump Activation (switched ground)
|
5
|
Activation Terminal 15 (Pos)
|
6
|
Activation Terminal 30g (Gnd)
|
7
|
Ground |
8
|
not used
|
9
|
Working current, wiper stage 1
|
10
|
Working current, wiper stage 2
|
Wire Size (mm2)
|
Aprox. AWG equivalent
|
0.35
|
20
|
0.50
|
18
|
0.75
|
16-17
|
1.0
|
15-16
|
2.5
|
11-12
|
KL 0
|
Ignition off
|
KL R
|
Ignition Accessory
|
KL 15
|
Ignition On/Run
|
KL 30
|
Constant
|