Page 1220 of 1574
9A-18 BODY WIRING SYSTEM
SEMI AUTOMATIC AIR CONDITIONER1 Main Connector
2 Air Conditioner Relay 2
3 LO Relay
4 ML Relay
5 MH Relay
6 HI Relay
7 Intake Actuator
8 Blower Motor
9 Resistor
10 Diode 11 Amplifier
1 2 Amplifier 13 Temp Actuator
14 Blower Relay
15 Water Temperature Sensor
16 Air Conditioner Switch
17 Fan Switch (Auto)
18 PTC
19 Control
20 Mode Switch
21 In Car Sensor
22 Sun Sensor
23 Mode Actuator
Page 1221 of 1574
BODY WIRING SYSTEM 9A-19
FULL AUTOMATIC AIR CONDITIONER1 Main Connector
2 Intake Actuator
3 Blower Relay
4 HI Relay
5 Power TR
6 Water Temperature Sensor
7 Temp Actuator 8 Blower Relay
9 Control (A)
10 Control (B) 11 Sun Sensor
12 Mode Actuator
13 In Car Sensor
Page 1222 of 1574
9A-20 BODY WIRING SYSTEM
GASOLINE ENGINE (MSE)1 ECU Main Wiring Connector
2 ECU Main Wiring Connector
3 Crankshaft Position Sensor
4 Oil Pressure Switch
5 Knock Sensor 2
6 Hot-Film Air Mass Sensor
7 Injector 6
8 Injector 5
9 Injector 4
10 Injector 3
11 Injector 2
12 Injector 1
13 Camshaft Adjustment Magnet 14 Ignition Coil 3
15 Ignition Coil 2
16 Ignition Coil 1
17 Temperature Sensor (Gauge)
18 Double Sensor
19 Camshaft Position Sensor
20 Knock Sensor 1
21 Throttle Regulating Unit
22 Resonance Flap
23 Main Wiring Connector
2 4 ECU
25 ECU Engine Wiring Connector
26 ECU Engine Wiring Connector
Page 1223 of 1574
BODY WIRING SYSTEM 9A-21
GASOLINE ENGINE (HFM)1 ECU
2 Main Wiring Connector
3 Crankshaft Position Sensor
4 Knock Sensor
5 Hot-Film Air Mass Sensor
6 Aspiration Sensor
7 Throttle Regulating Unit
8 Knock Sensor
9 Camshaft Position Sensor
10 Ignition Coil 3
11 Ignition Coil 2
12 Ignition Coil 1 13 Injector 6
14 Injector 5
15 Injector 4
16 Injector 3
17 Injector 2
18 Injector 1
19 Camshaft Adjustment Magnet
20 Resonance Flap
21 Temperature Sensor (Gauge)
22 Double Sensor
23 Ground
Page 1224 of 1574
9A-22 BODY WIRING SYSTEM
DIESEL ENGINE1 Preheating Unit
2 Main Wiring Connector
3 Glow Plug 1
4 Glow Plug 2 5 Glow Plug 3
6 Glow Plug 4
7 Glow Plug 5
8 Water Temperature Sensor (Gauge)
Page 1225 of 1574
BODY WIRING SYSTEM 9A-23
MANUAL TRANSMISSION1 Main Wiring Connector ......................Diesel E/G
2 Main Wiring Connector ..................Gasoline E/G
3 Main Wiring Connector .........................Gasoline
(E32, E23) E/G
4 Back Up Switch 5 Oil Pressure Switch
6 Start Motor Solenoid
7 Micro Switch
8 Speed Sensor (Turbo Diesel Engine Only)
Page 1226 of 1574
9A-24 BODY WIRING SYSTEM
AUTOMATIC TRANSMISSION (BENZ)1 Main Wiring Connector
2 Start Lock Switch
3 Automatic Transmission Change Over Valve
4 Transmission Overload Protection Switch ...........................Gasoline E/G 5 Oil Pressure Switch
6 Start Solenoid
7 Micro Switch
....................................... Diesel E/G
8 Speed Sensor .......................... T urbo Diesel E/G
Page 1227 of 1574
BODY WIRING SYSTEM 9A-25
AUTOMATIC TRANSMISSION (BTRA)1 Main Wiring Connector
2 Main Wiring Connector
3 Transmission
4 Transmission Lever
5 Oil Pressure Switch ............................Diesel E/G6 Start Motor Solenoid
7 Throttle Position Sensor
....................Diesel E/G
8 Speed Sensor .......................... T urbo Diesel E/G
9 Inhibitor Switch