6581-3

On-Board Computer (325e)

On-Board Computer and Multifunction Clock

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Scroll to zoom · drag to pan · click a wire to trace its circuit · click a part for its pins · J jumps · L labels

Click a wire to trace its circuit, or a part to see its pins and what they connect to.

Parts on this page 41

Wires 49

Wire	Size	From	To
Chime +	0.5 mm²	S201 B	Chime Module C2-1
Chime ground	0.5 mm²	Chime Module C2-4	S202 L
Chime trigger	0.5 mm²	Chime Module C2-3	On-Board Computer Module 2
Cluster ground	0.5 mm²	Instrument Cluster C2-16	G200 GND
Code (-)	0.5 mm²	On-Board Computer Relay Box C1-4	On-Board Computer Module 11
Fuse details	1.5 mm²	S234 L	Fuse details 1
Fuse details	0.75 mm²	S319 R	Fuse details 1
Ground	0.5 mm²	S202 B	Instrument Cluster C3-1
Horn (-)	0.5 mm²	On-Board Computer Relay Box C1-2	On-Board Computer Module 1
Horn +	0.5 mm²	C217 1	Board Computer Horn 1
Horn -	0.5 mm²	Board Computer Horn 2	On-Board Computer Relay Box C2-1
Horn diode	0.5 mm²	C217 1	B/C Horn Diode 1
Horn diode	0.5 mm²	B/C Horn Diode 2	On-Board Computer Relay Box C2-1
Ignition 15	2.5 mm²	Ignition Switch 15	C200 2
Ignition 15	2.5 mm²	C200 2	S213 T
Ignition 15	0.75 mm²	S213 B	C103 24
Ignition 15	0.75 mm²	C103 24	C235 2
Ignition 15	0.75 mm²	C235 2	C212 1
Ignition 15	0.75 mm²	C212 1	On-Board Computer Relay Box C2-3
KL30	0.5 mm²	Instrument Cluster C3-23	S201 T
Main relay 30	4.0 mm²	Battery Junction Block 1	Main Relay 30
Main relay 85	0.75 mm²	Main Relay 85	G103 GND
Main relay 86	0.5 mm²	C104 2	Main Relay 86
Main relay control	0.75 mm²	On-Board Computer Relay Box C2-4	C212 2
Main relay control	0.75 mm²	C212 2	C104 2
Memory power	1.0 mm²	Power Distribution Box (Fuse 21) 21	S319 T
Memory power	0.5 mm²	S319 B	Instrument Cluster C1-2
Not used	0.5 mm²	C217 1	Not-used connector 1
Not used	0.5 mm²	Not-used connector 2	Not used (BR/GN lead) 1
Not used	0.75 mm²	Not used (BR lead to G200) 1	G200 GND
OBC ground	0.5 mm²	On-Board Computer Module 10	S202 T
OBC KL30	0.5 mm²	S201 R	On-Board Computer Module 6
OBC power	1.5 mm²	Power Distribution Box (Fuse 27) 27	S234 T
OBC power	0.75 mm²	S234 B	C302 Accessory connector H
OBC power	1.5 mm²	C302 Accessory connector H	S420 T
OBC power	1.5 mm²	S420 B	C217 1
Outside temp	0.5 mm²	On-Board Computer Module 16	C260 1
Outside temp	0.5 mm²	C260 1	Outside Temperature Sensor (NTC) 1
Power distribution	0.75 mm²	S213 R	Power distribution 1
Power distribution	0.75 mm²	Battery Junction Block 2	Power distribution 1
Radio	1.5 mm²	S420 R	Radio 1
Relay box ground	0.75 mm²	On-Board Computer Relay Box C2-2	G200 GND
Relay coils	0.5 mm²	S201 L	On-Board Computer Relay Box C1-3
Sensor ground	0.5 mm²	Outside Temperature Sensor (NTC) 2	C260 2
Sensor ground	0.5 mm²	C260 2	S202 R
Start 50	0.5 mm²	From ignition switch (start) S	Instrument Cluster C1-1
Start 50	0.5 mm²	Instrument Cluster C3-22	On-Board Computer Module 22
To injection	0.75 mm²	Main Relay 87	Injection Electronics (2.7e engine) 1
To injection	0.75 mm²	Main Relay 87b	Injection Electronics (2.7e engine) 2