1362-5

2.7e Idle Speed Control

Injection Electronics (2.7e / 325e)

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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 35

Wire	Size	From	To
0 C input	0.5 mm²	Temperature Switch 2	Idle Speed Control Unit 10
Closed throttle	0.5 mm²	Idle Speed Control Unit 12	Throttle Switch 1
Closed throttle	0.5 mm²	Motronic Control Unit 2	Throttle Switch 1
CTS ground	0.5 mm²	Coolant Temperature Sensor 2	S214 T
Diag 15	1.5 mm²	S108 L	Diagnostic Connector 15
Engine speed	1.0 mm²	Idle Speed Control Unit 3	Motronic Control Unit 8
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 temp	0.5 mm²	Idle Speed Control Unit 11	Motronic Control Unit 13
Engine temp	0.5 mm²	Motronic Control Unit 13	Coolant Temperature Sensor 1
Fuse details	0.75 mm²	Power Distribution Box (Fuse 10) 10b	Fuse Details 1
Ground	0.75 mm²	S214 R	Ground Distribution 1
Ground	2.5 mm²	S214 B	G103 GND
Ground	0.75 mm²	S214 R	Ground Distribution 1
Ground	2.5 mm²	S214 B	G103 GND
ISC ground	1.5 mm²	Idle Speed Control Unit 4	G103 GND
ISC power	1.5 mm²	Power Distribution Box (Fuse 9) 9	C101 6
ISC power	1.5 mm²	C101 6	S108 T
ISC power	1.5 mm²	S108 B	Idle Speed Control Unit 2
O2 heater	0.75 mm²	Oxygen Sensor Heater Relay 30	To C140 (3), page 1362-4 (A) A
O2 heater control	0.5 mm²	Oxygen Sensor Heater Relay 85	Motronic Control Unit 31
O2 heater relay supply	0.75 mm²	S108 R	Oxygen Sensor Heater Relay 87
O2 relay coil	0.5 mm²	From Fuel Pump Relay, pages 1362-2 and 1362-3 (Z) Z	Oxygen Sensor Heater Relay 86
P/N	0.75 mm²	Automatic Transmission Range Switch 9	C132 X
P/N	0.75 mm²	C132 X	C131 7
P/N (manual)	0.5 mm²	S108 L	C131 7
P/N input	0.5 mm²	C131 7	Idle Speed Control Unit 7
Range switch feed	0.75 mm²	Power Distribution Box (Fuse 10) 10	C301 1
Range switch feed	0.75 mm²	C301 1	Automatic Transmission Range Switch 3
Shield	0.75 mm²	Engine Speed Sensor 3	Motronic Control Unit 23
Shield	0.75 mm²	Motronic Control Unit 23	Fuel Control (oxygen sensor shield) 1
Start	0.75 mm²	Automatic Transmission Range Switch 9	Start 1
Temp switch feed	0.5 mm²	S108 R	Temperature Switch 1
Throttle ground	0.75 mm²	Throttle Switch 2	S214 T
Wide open throttle	0.5 mm²	Motronic Control Unit 3	Throttle Switch 3