Category Archives: Siemens MS43

Siemens MS43 pinout

BMW_MS_43_Pinout

X60001 – Power Supply

X60001 9-pin
Pin Type Description / Signal type Connection / Measuring notes
1 Input Voltage Supply Terminal 15 Fuel Injector Relay K6327
2
3 I/O Diagnostic Link TXD K-Line
4 Ground Ground Ground Connector X6454
5 Ground Ground Ground Connector X6458
6 Ground Ground Ground Connector X6458
7 Input Voltage Supply Terminal 30 B+ Potential Distributor A2076
8 Input Voltage Supply Terminal 87 Fuse Carrier Engine Electronics A8680
9 Input (optional) Fuel Injector Supply Voltage (optional) Fuel Injector Relay K6327

X60002 – Peripherals

X60002 24-pin
Pin Type Description / Signal type Connection / Measuring notes
1 Output [PWM] O2 Sensor Heater Pre-Cat Bank 1 Heated O2 Sensor Pre-Cat Bank 1 B62101
2 Input [0-5V] Signal EGT Sensor Pre-Cat Bank 1 Never Used In Production
3 I/O CAN-Bus Low Transmission Control Unit A7000 (AT/SMG only)
4 I/O CAN-Bus High Transmission Control Unit A7000 (AT/SMG only)
5 Input [0-5V] Signal EGT Sensor Pre-Cat Bank 2 Never Used In Production
6 I/O Diagnostic Link TXD2 Transmission Control Unit A7000 (AT/SMG only)
7 Output [PWM] O2 Sensor Heater Post-Cat Bank 1 Heated O2 Sensor Post-Cat Bank 1 B62102
8 Ground EGT Sensor Pre-Cat Bank 1 Never Used In Production
9 Ground EGT Sensor Pre-Cat Bank 2 Never Used In Production
10 Ground EGT Sensor Post-Cat Bank 1 Never Used In Production
11 Ground EGT Sensor Post-Cat Bank 2 Never Used In Production
12 Input [0-5V] Signal EGT Sensor Post-Cat Bank 1 Never Used In Production
13 Output [PWM] O2 Sensor Heater Pre-Cat Bank 2 Heated O2 Sensor Pre-Cat Bank 2 B62201
14 Input [0-5V] Signal O2 Sensor Pre-Cat Bank 1 Heated O2 Sensor Pre-Cat Bank 1 B62101
15 Input [0-5V] Signal O2 Sensor Pre-Cat Bank 2 Heated O2 Sensor Pre-Cat Bank 2 B62201
16 Input [0-5V] Signal O2 Sensor Post-Cat Bank 1 Heated O2 Sensor Post-Cat Bank 1 B62102
17 Input [0-5V] Signal EGT Sensor Post-Cat Bank 2 Never Used In Production
18 Input [0-5V] Signal O2 Sensor Post-Cat Bank 2 Heated O2 Sensor Post-Cat Bank 2 B62202
19 Output [PWM] O2 Sensor Heater Post-Cat Bank 2 Heated O2 Sensor Post-Cat Bank 2 B62202
20 Ground O2 Sensor Pre-Cat Bank 1 Heated O2 Sensor Pre-Cat Bank 1 B62101
21 Ground O2 Sensor Pre-Cat Bank 2 Heated O2 Sensor Pre-Cat Bank 2 B62201
22 Ground O2 Sensor Post-Cat Bank 1 Heated O2 Sensor Post-Cat Bank 1 B62102
23 Output [0/1] ECU Main Relay Control ECU Main Relay K6300
24 Ground O2 Sensor Post-Cat Bank 2 Heated O2 Sensor Post-Cat Bank 2 B62202

X60003 – Engine

X60003 52-pin
Pin Type Description / Signal type Connection / Measuring notes
1 Input [0-5V] Signal Mass Air Flow Sensor Hot-Film Mass Air Flow Sensor
2 Input Signal Exhaust camshaft sensor 1 Camshaft sensor II
3 Output Spare Output 1 Never Used In Production
4
5 Input Signal Inlet camshaft sensor 1 Camshaft sensor I
6
7 Output [+5V] Voltage supply Electric throttle actuator Electric throttle actuator
8 Input Signal Crankshaft sensor Crankshaft sensor
9
10 Input [0-5V] Signal Electric Throttle Body Potentiometer 2 Electric Throttle Body
11 Output Spare Output 3 Never Used In Production
12
13
14
15 Ground Ground Exhaust camshaft sensor 1 Camshaft sensor II
16
17 Ground Mass Air Flow Sensor Hot-Film Mass Air Flow Sensor
18 Ground Ground Inlet camshaft sensor 1 Camshaft sensor I
19 Input [0-5V] Signal Electric Throttle Body Potentiometer 2 Electric Throttle Body
20 Ground Electric Throttle Body Electric Throttle Body
21 Input Ground Crankshaft sensor Crankshaft sensor
22 Output [0-5V] Signal Intake Air Temperature Intake Air Temperature Sensor
23 Ground Intake Air Temperature Intake Air Temperature Sensor
24 Output [0-5V] Signal Coolant Temperature Coolant Temperature Sensor
25 Ground Coolant Temperature Coolant Temperature Sensor
26
27 Output [0-5V] Signal Engine Oil Temperature Oil Temperature Sensor
28 Ground Engine Oil Temperature Oil Temperature Sensor
29 Input Signal Knock Sensor 1A Knock Sensor Cylinder 1-3
30 Input Signal Knock Sensor 1B Knock Sensor Cylinder 1-3
31 Input Signal Knock Sensor 2A Knock Sensor Cylinder 4-6
32 Input Signal Knock Sensor 2B Knock Sensor Cylinder 4-6
33 Output [0/1] Signal Fuel Injector Cylinder 1 Fuel Injector Cylinder 1 Y6101 Pin 1
34 Output [0/1] Signal Fuel Injector Cylinder 2 Fuel Injector Cylinder 2 Y6102 Pin 1
35 Output [0/1] Signal Fuel Injector Cylinder 3 Fuel Injector Cylinder 3 Y6103 Pin 1
36 Output [0/1] Signal Fuel Injector Cylinder 4 Fuel Injector Cylinder 4 Y6104 Pin 1
37 Output [0/1] Signal Fuel Injector Cylinder 5 Fuel Injector Cylinder 5 Y6105 Pin 1
38 Output [0/1] Signal Fuel Injector Cylinder 6 Fuel Injector Cylinder 6 Y6106 Pin 1
39
40 Input Signal VANOS inlet valve VANOS inlet valve
41 Input Signal VANOS outlet valve VANOS outlet valve
42 Input Signal Fuel tank vent valve Fuel tank vent valve
43 Input Signal Electric Throttle Body Actuator 1 Electric Throttle Body
44 Input Signal Electric Throttle Body Actuator 2 Electric Throttle Body
45 Output [0/1] Characteristic Map Cooling Thermostat Thermostat
46 Output [H-Bridge] Idle Speed Actuator Closing Coil Idle Speed Actuator Pin 1
47 Output [H-Bridge] Idle Speed Actuator Opening Coil Idle Speed Actuator Pin 3
48 Ground Shield Knock Sensors Knock Sensors
49 Output [0/1] Variable Intake Manifold Flap (VIM/DISA) Variable Intake Manifold Flap Pin 1
50
51
52 Output [0/1] Signal Secondary Air Pump Valve Secondary Air Pump Valve

X60004 – Vehicle

X60004 40-pin
Pin Type Description / Signal type Connection / Measuring notes
1
2
3 Output Signal Secondary Air Pump Relay Secondary Air Pump Relay
4 Input Signal Electric cooling fan Electric cooling fan
5 Ground Ground secondary air MAF sensor Secondary air MAF sensor
6
7 Ground Ground Pedal position sensor Pedal position sensor
8 Input Signal Pedal position sensor Pedal position sensor
9 Output Voltage supply Pedal position sensor Pedal position sensor
10 Input Signal Fuel pump relay 1 Fuel pump relay 1
11
12 Ground Ground Pedal position sensor Pedal position sensor
13 Input Signal Pedal position sensor Pedal position sensor
14 Output Voltage supply Pedal position sensor Pedal position sensor
15 Input Singal secondary air MAF sensor Scondary air MAF sensor
16 Output Spare Output 4 Never Used In Production
17 Output Speed signal Diagnostic connector
18 Output Signal Valve, exhaust flap M54 3.0 l only Valve, exhaust flap
19
20 Output Signal Diagnostic module, fuel tank leakage Diagnostic module, fuel tank leakage
21
22 Input Signal Processed wheel speed, rear right ABS/ASC unit ABS/DSC unit
23 Output Signal Clutch switch Clutch switch
24 Input Signal Brake light switch Light switching centre control unit
25
26 Input Terminal 15 Fuse F29
27 Input Data link MFL Volute spring steering wheel
28 Input Signal Brake light switch Brake light switch
29 Input Signal Relay, A/C compressor Relay, A/C compressor
30 Output Signal Diagnostic module, fuel tank leakage Diagnostic module, fuel tank leakage
31
32 I/O Diagnostic Link TXD OBD-II Connector
33 Input Electronic vehicle immobilisation Electronic immobiliser control unit
34
35
36 I/O CAN-Bus High Connector, CAN bus
37 I/O CAN-Bus Low Connector, CAN bus
38 Ground Ground Coolant outlet temperature Temperature sensor
39 Output Signal Coolant outlet temperature Temperature sensor
40

X60005 – Ignition

X60005 9-pin
Pin Type Description / Signal type Connection / Measuring notes
1 Output Ignition Signal Cylinder 3 Ignition Coil Cylinder 3
2 Output Ignition Signal Cylinder 2 Ignition Coil Cylinder 2
3 Output Ignition Signal Cylinder 1 Ignition Coil Cylinder 1
4
5 Ground Ignition Ground Ground Connector X6458
6 Input Signal Feedback Ignition Feedback Ignition
7 Output Ignition Signal Cylinder 6 Ignition Coil Cylinder 6
8 Output Ignition Signal Cylinder 5 Ignition Coil Cylinder 5
9 Output Ignition Signal Cylinder 4 Ignition Coil Cylinder 4