1362-4

2.7e Fuel Delivery (injectors, AFM)

Injection Electronics (2.7e / 325e)

Loading diagram…

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 28

Wires 45

Wire	Size	From	To
AFM common	0.75 mm²	Motronic Control Unit 6	Air Flow Meter 4
AFM reference	0.5 mm²	Motronic Control Unit 7	Air Flow Meter 2
Air flow	0.5 mm²	Motronic Control Unit 9	Air Flow Meter 3
Baro ground	0.5 mm²	Barometric Pressure Sensor 2	S214 T
Baro signal	0.5 mm²	Barometric Pressure Sensor 1	Motronic Control Unit 30
Baro supply	0.5 mm²	S112 R	Barometric Pressure Sensor 3
DME ground	2.5 mm²	Motronic Control Unit 17	S217 T
DME ground	2.5 mm²	Motronic Control Unit 16	S217 T
DME ground	0.75 mm²	Motronic Control Unit 10	G103 GND
DME ground	2.5 mm²	Motronic Control Unit 19	G103 GND
Engine speed	0.5 mm²	Motronic Control Unit 27	Engine Speed Sensor 1
Engine speed	0.5 mm²	Motronic Control Unit 8	Engine Speed Sensor 2
Engine speed	0.75 mm²	Motronic Control Unit 8	Ign / Idle Speed Control (next page) 1
Fuel rate	0.5 mm²	Motronic Control Unit 11	Gauges (fuel economy) 1
Ground	0.75 mm²	S214 R	Ground Distribution 1
Ground	2.5 mm²	S214 B	G103 GND
Ground	0.75 mm²	Ground Distribution 1	S217 L
Ground	2.5 mm²	S217 B	G103 GND
Inj 1 12V	0.5 mm²	S112 B	Fuel Injector No. 1 1
Inj 1 control	0.5 mm²	Fuel Injector No. 1 2	S104 T
Inj 1-3 control	1.5 mm²	S104 B	Motronic Control Unit 14
Inj 2 12V	0.5 mm²	S112 B	Fuel Injector No. 2 1
Inj 2 control	0.5 mm²	Fuel Injector No. 2 2	S104 T
Inj 3 12V	0.5 mm²	S112 B	Fuel Injector No. 3 1
Inj 3 control	0.5 mm²	Fuel Injector No. 3 2	S104 T
Inj 4 12V	0.5 mm²	S112 B	Fuel Injector No. 4 1
Inj 4 control	0.5 mm²	Fuel Injector No. 4 2	S106 T
Inj 4-6 control	1.5 mm²	S106 B	Motronic Control Unit 15
Inj 5 12V	0.5 mm²	S112 B	Fuel Injector No. 5 1
Inj 5 control	0.5 mm²	Fuel Injector No. 5 2	S106 T
Inj 6 12V	0.5 mm²	S112 B	Fuel Injector No. 6 1
Inj 6 control	0.5 mm²	Fuel Injector No. 6 2	S106 T
Injector/sensor 12V	4.0 mm²	From pages 1362-2 and 1362-3 (B) B	S112 L
Inlet temp	0.5 mm²	Motronic Control Unit 22	Air Flow Meter 1
O2 heater	0.75 mm²	From Oxygen Sensor Heater Relay, page 1362-5 (A) A	C140 3
O2 heater	1.0 mm²	C140 3	C141 3
O2 heater	0.75 mm²	C141 3	Oxygen Sensor 3
O2 heater ground	0.75 mm²	Oxygen Sensor 2	C141 2
O2 heater ground	1.0 mm²	C141 2	C140 2
O2 heater ground	0.75 mm²	C140 2	G103 GND
O2 signal	1.0 mm²	Motronic Control Unit 24	C140 1
O2 signal	1.0 mm²	C140 1	C141 1
O2 signal	0.75 mm²	C141 1	Oxygen Sensor 1
Shield	0.75 mm²	Motronic Control Unit 23	Idle Speed Control 1
Shield	0.75 mm²	Engine Speed Sensor 3	Ign / Idle Speed Control (next page) 2