engine MERCEDES-BENZ SPRINTER 2005 Service Repair Manual

ENGINE CONTROL MODULE C3 - BLACK
CAV CIRCUIT FUNCTION
1 18BR/DG SENSOR GROUND
5 18BL/RD ACCEL PEDAL POSITION SENSOR 5 VOLT SUPPLY
6 18WT/DG BOOST PRESSURE SENSOR SIGNAL
7 20BR/YL SENSOR GROUND
8 18BR/GY SENSOR GROUND
9 18GY/DG ACCEL PEDAL POSITION SENSOR SIGNAL NO. 2
10 18BL/DG ACCEL PEDAL POSITION SENSOR SIGNAL NO. 1
12 18DG/WT INTAKE AIR TEMPERATURE SENSOR SIGNAL
17 18WT/RD BOOST PRESSURE SENSOR 5 VOLT SUPPLY
18 20YL/DG MASS AIR FLOW SENSOR SIGNAL
19 20BR/BK MASS AIR FLOW SENSOR 5 VOLT SUPPLY
20 18VT IGNITION SWITCH OUTPUT (START)
22 18BR/WT SENSOR GROUND
23 18BR/BL SENSOR GROUND
25 18BK/RD GLOW PLUG MODULE CONTROL
28 20BL/YL K-ECM
30 18RD/BL STARTER MOTOR RELAY 12 VOLT SUPPLY
33 20YL/RD MASS AIR FLOW SENSOR 12 VOLT SUPPLY
35 20BR BOOST PRESSURE SOLENOID 12 VOLT SUPPLY
40 20DG/YL ENGINE RPM
43 18VT/DG STARTER MOTOR RELAY CONTROL
46 18YL/BL FUSE BLOCK NO. 1 C5 CAV 15 COMMON CIRCUIT
48 20WT BOOST PRESSURE SOLENOID CONTROL
ENGINE CONTROL MODULE C4 - BLACK
CAV CIRCUIT FUNCTION
2 20BR/DG SENSOR GROUND
3 20YL/GY CAMSHAFT POSITION SENSOR SIGNAL
4 20BR/GY SENSOR GROUND
7 18GY/YL SENSOR GROUND
8 18GY/DG LOW FUEL PRESSURE SENSOR 5 VOLT SUPPLY
10 18BR/RD WATER IN FUEL SENSOR 12 VOLT SUPPLY
11 18BK/YL WATER IN FUEL SENSOR SIGNAL
12 18RD/BL CAMSHAFT POSITION SENSOR 12 VOLT SUPPLY
13 20RD/DG FUEL PRESSURE SENSOR 5 VOLT SUPPLY
14 20DG/VT FUEL PRESSURE SENSOR SIGNAL
15 20GY/BL ENGINE OIL SENSOR SIGNAL
17 20BR/BK SENSOR GROUND
18 20RD/YL ENGINE OIL SENSOR 5 VOLT SUPPLY
21 20BK/WT GROUND
22 18RD/BK FUEL SHUTDOWN SOLENOID 12 VOLT SUPPLY
26 20DG SENSOR GROUND
27 20BR/WT SENSOR GROUND
30 18DG/BK SENSOR GROUND
31 20RD/WT FUEL PRESSURE SOLENOID CONTROL
32 20BR/YL FUEL SHUTDOWN SOLENOID CONTROL
34 18BR SENSOR GROUND
36 20DG/RD ENGINE COOLANT TEMPERATURE SENSOR SIGNAL
37 20DG/WT CRANKSHAFT POSITION SENSOR SIGNAL
38 18GY/RD LOW FUEL PRESSURE SENSOR SIGNAL
39 18BL/GY FUEL TEMPERATURE SENSOR SIGNAL
40 20RD/YL EGR VALVE CONTROL
VA8W-80 CONNECTOR PIN-OUTS 8W - 80 - 33

ENGINE CONTROL MODULE C5 - GRAY
CAV CIRCUIT FUNCTION
2 14BK COMMON INJECTOR DRIVER NO. 1
3 14BK/YL FUEL INJECTOR NO. 4 CONTROL
4 14BL COMMON INJECTOR DRIVER NO. 2
5 14BK/VT FUEL INJECTOR NO. 2 CONTROL
7 14BK/DG FUEL INJECTOR NO. 5 CONTROL
8 14BK/RD FUEL INJECTOR NO. 3 CONTROL
9 14BK/BL FUEL INJECTOR NO. 1 CONTROL
ENGINE COOLANT LEVEL SWITCH - BLACK
CAV CIRCUIT FUNCTION
1 20DG/WT/BL ENGINE COOLANT LEVEL SWITCH SIGNAL
2 16BR GROUND
ENGINE COOLANT TEMPERATURE SENSOR - BLACK
CAV CIRCUIT FUNCTION
1 20BR/WT SENSOR GROUND
2 20DG/RD ENGINE COOLANT TEMPERATURE SENSOR SIGNAL
ENGINE OIL SENSOR - BLACK
CAV CIRCUIT FUNCTION
1 20DG/BL ENGINE OIL SENSOR SIGNAL
2 20BR/BK SENSOR GROUND
3 20RD/YL ENGINE OIL SENSOR 5 VOLT SUPPLY
8W - 80 - 34 8W-80 CONNECTOR PIN-OUTSVA

FUEL SHUTDOWN SOLENOID
CAV CIRCUIT FUNCTION
1 20BR/YL FUEL SHUTDOWN SOLENOID CONTROL
2 18RD/BK FUEL SHUTDOWN SOLENOID 12 VOLT SUPPLY
FUEL TEMPERATURE SENSOR
CAV CIRCUIT FUNCTION
1 18DG/BK SENSOR GROUND
2 18BL/GY FUEL TEMPERATURE SENSOR SIGNAL
FUSE BLOCK NO. 1 C1
CAV CIRCUIT FUNCTION
1 INTERNAL FOG LAMP SWITCH OUTPUT
3 INTERNAL HIGH BEAM SWITCH OUTPUT
4 16RD/BL FUSED RIGHT LAMP RELAY OUTPUT
5 INTERNAL HIGH BEAM SELECT
6 INTERNAL FUSED LEFT RELAY OUTPUT
8 INTERNAL LAMP DRIVER
9 INTERNAL FUSED IGNITION SWITCH OUTPUT (RUN-START)
10 INTERNAL FUSED B(+)
11 INTERNAL TURN SIGNAL RELAY OUTPUT
14 INERNAL GROUND
15 INTERNAL WIPER SWITCH OUTPUT
16 INTERNAL WIPER SWITCH OUTPUT
18 INTERNAL FUSED IGNITION SWITCH OUTPUT (RUN-START)
19 INTERNAL 12 VOLT SUPPLY
21 INTERNAL WIPER ON/OFF SWITCH OUTPUT
22 INTERNAL FUSED B(+)
FUSE BLOCK NO. 1 C2
CAV CIRCUIT FUNCTION
1 14BK/RD FUSED IGNITION SWITCH OUTPUT (RUN)
2 14BK/YL FUSED IGNITION SWITCH OUTPUT (START)
3 16GY/DG FUSED IGNITION SWITCH OUTPUT (ACC OFF)
4 14BK FUSED IGNITION SWITCH OUTPUT (RUN-START)
5 12BK/BL FUSED ENGINE CONTROL RELAY OUTPUT
VA8W-80 CONNECTOR PIN-OUTS 8W - 80 - 37

FUSE BLOCK NO. 1 C3 - BLACK
CAV CIRCUIT FUNCTION
2 16BK/VT FUSED IGNITION SWITCH OUTPUT (RUN-START)
5 12RD FUSED B(+)
FUSE BLOCK NO. 1 C4 - BLACK
CAV CIRCUIT FUNCTION
1 16RD/BL FUSED B(+)
4 16BK/RD ENGINE CONTROL RELAY OUTPUT
5 16WT FUSED HIGH BEAM SWITCH OUPUT
7 16BK/YL FUSED IGNITION SWITCH OUTPUT (RUN-START)
8 16BK/YL/WT FOG LAMP RELAY SIGNAL
10 16WT FUSED HIGH BEAM SWITCH OUTPUT
11 16RD/YL FUSED IGNITION SWITCH OUTPUT (RUN-START)
12 16BR/BK WIPER MOTOR CONTROL
14 16WT/BL/RD FUSED IGNITION SWITCH OUTPUT (RUN-START)
FUSE BLOCK NO. 1 C5 - BLACK
CAV CIRCUIT FUNCTION
1 16BK/BL/WT FUSED IGNITION SWITCH (RUN-START)
2 12BK/BL FUSED ENGINE CONTROL RELAY OUTPUT
3 18YL FUSED HEADLAMP SWITCH OUTPUT
4 16GY/BK LEFT LAMP RELAY OUTPUT
5 16BK/DG RIGHT TURN SIGNAL
6 16GY/RD RIGHT LAMP RELAY OUTPUT
7 16GY/DG LAMP DRIVER
8 16BK/WT LEFT TURN SIGNAL
13 16YL FUSED HEADLAMP SWITCH OUTPUT
14 16BK/VT/RD WASHER ON/OFF SWITCH OUTPUT
15 18YL/BL FUSE BLOCK NO.1 C5 CAV 15 COMMON CIRCUIT
GLOW PLUG CONTROL MODULE C1 - BLACK
CAV CIRCUIT FUNCTION
1 20BR GROUND
2 18BK/RD GLOW PLUG MODULE CONTROL
8W - 80 - 38 8W-80 CONNECTOR PIN-OUTSVA

IGNITION LOCK SWITCH - BLACK
CAV CIRCUIT FUNCTION
1 20BR GROUND
2 20BL/BK KEY-IN IGNITION SWITCH SIGNAL
INSTRUMENT CLUSTER C1
CAV CIRCUIT FUNCTION
1 20BR FUEL LEVEL SENSOR SIGNAL
2 20BR/DG AMBIENT TEMPERATURE SENSOR SIGNAL (-)
4 20WT/GY K-IC/ATC/HBM/CHM
5 20BR/BK PARKING BRAKE SIGNAL
7 20BK/DG RIGHT TURN SIGNAL
10 20BL/BK FUEL LEVEL SENSOR SIGNAL (+)
11 20BL/DG AMBIENT TEMPERATURE SENSOR SIGNAL (+)
14 20DG/WT/BL ENGINE COOLANT LEVEL SWITCH SIGNAL
15 20BR/WT FRONT COURTESY LAMPS CONTROL
16 20YL/RD SEAT BELT SWITCH SIGNAL
17 20DG CAN C BUS (-)
18 20DG/WT CAN C BUS (+)
INSTRUMENT CLUSTER C2 - WHITE
CAV CIRCUIT FUNCTION
3 20RD/YL FUSED B(+)
4 20BR/WT BRAKE WEAR SENSOR SIGNAL
6 18BR GROUND
7 20GY/DG/RD LAMP DRIVER
8 20BL/WT FUSED HIGH BEAM SWITCH OUTPUT
9 20BL/RD/WT VEHICLE SPEED SENSOR OUTPUT
10 20BK FUSED IGNITION SWITCH OUTPUT (RUN-START)
11 20BL/BK KEY-IN IGNITION SWITCH SIGNAL
13 20BK/WT LEFT TURN SIGNAL
15 20BL TERMINAL 61
16 20YL AIRBAG WARNING INDICATOR DRIVER
18 20BL/VT D(+) RELAY NO. 1 CONTROL
18 20BL/VT IC 18-C2 TO ATCM 8-C1
VA8W-80 CONNECTOR PIN-OUTS 8W - 80 - 43

WIPER/TURN SIGNAL/ENGINE START CONTROL MODULE (FUSE BLOCK NO. 1)
CAV CIRCUIT FUNCTION
2 INTERNAL WIPER ON/OFF RELAY CONTROL
3 INTERNAL WIPER SWITCH OUTPUT
4 INTERNAL FUSED IGNITION SWITCH OUTPUT (RUN-START)
6 INTERNAL WIPER ON/OFF RELAY OUTPUT
7 INTERNAL TURN SIGNAL RELAY OUTPUT
8 INTERNAL TURN SIGNAL RELAY FEED
9 INTERNAL TURN SIGNAL RELAY CONTROL
10 INTERNAL
11 INTERNAL TURN SIGNAL RELAY SIGNAL
12 INTERNAL FUSE BLOCK NO.1 C5 CAV 15 COMMON CIRCUIT
13 INTERAL ENGINE CONTROL RELAY CONTROL
14 INTERNAL GROUND
15 INTERNAL WASHER ON/OFF SWITCH OUTPUT
16 INTERNAL HAZARD WARNING SWITCH SENSE
VA8W-80 CONNECTOR PIN-OUTS 8W - 80 - 67

8W-91 CONNECTOR/GROUND/SPLICE LOCATION
TABLE OF CONTENTS
page
CONNECTOR/GROUND/SPLICE LOCATION
DESCRIPTION..........................1
CONNECTOR/GROUND/SPLICE
LOCATION
DESCRIPTION
This section provides illustrations identifying con-
nector, ground, and splice locations in the vehicle.
Connector, ground, and splice indexes are provided.Use the wiring diagrams in each section for connec-
tor, ground, and splice identification. Refer to the
appropriate index for the proper figure number. For
items that are not shown in this section N/S is placed
in the Fig. column.
CONNECTORS
CONNECTOR NAME/
NUMBERCOLOR LOCATION FIG.
A/C Auxiliary Fan Engine Compartment N/S
A/C Auxiliary Fan Relay (In
Relay Block)Under Driver Seat N/S
A/C Control Module-Roof Instrument Panel N/S
A/C Fan Switch Instrument Panel N/S
A/C Switch - Roof Instrument Panel N/S
Accelerator Pedal Position
SensorOn Gas Pedal 14
Air Outlet Temperature
SensorEngine Compartment (Right Rear) 5,15
Airbag Control Module Under Driver Seat 10,16,18
Airbag Squib-Driver Steering Wheel 10
Airbag Squib-Passenger Instrument Panel (Passenger Side) N/S
Ambient Temperature Sensor Front Engine Compartment 2,15
Ash Receiver Lamp In Ash Tray N/S
Automatic Temperature
Control Module C1Instrument Panel N/S
Automatic Temperature
Control Module C2Instrument Panel N/S
Auxiliary Heater Relay (In
Relay Block)Under Driver Seat N/S
Auxiliary Heater Switch Instrument Panel N/S
Battery Relay-Auxiliary Engine Compartment N/S
Blower Motor Resistor Block Underhood Right (To The
Instrument Panel)4
VA8W-91 CONNECTOR/GROUND/SPLICE LOCATION 8W - 91 - 1

CONNECTOR NAME/
NUMBERCOLOR LOCATION FIG.
Blower Motor Resistor Block
C1Instrument Panel 15
Blower Motor Resistor Block
C2Instrument Panel 15
Blower Motor Resistor Block
C3Instrument Panel 15
Blower Motor-Front Underhood Right (To The
Instrument Panel)4
Body Plug Connector Under Driver Seat N/S
Boost Pressure Sensor Engine Compartment-Left 5
Brake Fluid Level Switch Engine Compartment 3
Brake Lamp Switch C1 Pedals Area (Brake) 14
Brake Lamp Switch C2 Pedals Area (Brake) 14
Brake Wear Sensor-Left
FrontOn Left Front Wheel N/S
Brake Wear Sensor-Left Rear On Left Rear Wheel N/S
Brake Wear Sensor-Right
FrontOn Right Front Wheel N/S
Brake Wear Sensor-Right
RearOn Right Rear Wheel N/S
C100 Under Driver Seat 18
C101 Under Instrument Panel-Left 14
C200 Under Instrument Panel-Left 11
C201 Under Instrument Panel-Left 11
C202 Under Instrument Panel-Left 11
C203 Instrument Panel N/S
C204 Upper Instrument Panel-Left 11
C205 Under Driver Seat N/S
C206 Instrument Panel N/S
C207 Near Interior Light Switch-Driver N/S
C208 Near A/C Fan Switch N/S
C209 Instrument Panel N/S
C210 Instrument Panel N/S
C211 Instrument Panel N/S
C212 Instrument Panel N/S
C213 Instrument Panel N/S
C214 Instrument Panel N/S
C215 Instrument Panel N/S
C216 Instrument Panel N/S
C217 Instrument Panel N/S
C218 Under Driver Seat 18
C219 Under Driver Seat 19
C220 Instrument Panel N/S
8W - 91 - 2 8W-91 CONNECTOR/GROUND/SPLICE LOCATIONVA
CONNECTOR/GROUND/SPLICE LOCATION (Continued)

CONNECTOR NAME/
NUMBERCOLOR LOCATION FIG.
Cabin Heater Assembly C1 Instrument Panel N/S
Cabin Heater Assembly C2 Instrument Panel N/S
Camshaft Position Sensor Engine Compartment 7
Center High Mounted Stop
LampRear Vehicle N/S
Central Timer Module C1 Instrument Panel N/S
Central Timer Module C2 Instrument Panel N/S
Cigar Lighter Near Ash Tray N/S
Cigar Lighter Lamp Near Cigar Lighter N/S
Circulation Pump (Cabin
Heater Module)Engine Compartment-Front 4
Circulation Pump Diode Engine Compartment N/S
Circulation Pump Relay
(Relay Block)Under Driver Seat N/S
Clockspring C1 Steering Wheel 10
Clockspring C2 Steering Wheel 10,14
Contact Plate-Left Rear
License PlateRear Of Vehicle On Left N/S
Contact Switch Door-Right
RearRight Rear Door 21
Controller Antilock Brake Engine Compartment-Left 2
Courtesy Lamp - Driver Driver Door 20
Courtesy Lamp - Left Sliding
DoorLeft B-Pillar 20
Courtesy Lamp - Passenger
DoorPassenger Door 20
Courtesy Lamp - Right Rear
DoorRight Rear Door 20
Courtesy Lamp - Right
Sliding DoorRight B-Pillar 20
Crankcase Heater Engine Compartment N/S
Crankshaft Position Sensor On Engine N/S
CTEL Connector Instrument Panel N/S
Cylinder Lock Switch-Driver Driver Door 21
D(+) Relay Under Driver Seat N/S
Data Link Connector Under Dash N/S
Daytime Running Lamp
Relay (Relay Block)Under Driver Seat N/S
Daytime Running Lamp
Relay-Left Side (Relay Block)Under Driver Seat N/S
Daytime Running Lamp
Relay-Right Side (Relay
Block)Under Driver Seat N/S
Differential Lock Solenoid
ValveUnderbody 24
VA8W-91 CONNECTOR/GROUND/SPLICE LOCATION 8W - 91 - 3
CONNECTOR/GROUND/SPLICE LOCATION (Continued)

CONNECTOR NAME/
NUMBERCOLOR LOCATION FIG.
Dome Lamp Dome Area 20
Door Jamb Switch-Driver Driver Door 21
Door Jamb Switch-Left
SlidingLeft Sliding Door N/S
Door Jamb Switch-Passenger Passenger Door 21
Door Jamb Switch-Right
SlidingRight Sliding Door N/S
Door Jamb Switch-Tailgate Tailgate N/S
Door Lock Motor/Ajar Switch
Assembly - Driver C1Driver Door 21
Door Lock Motor/Ajar Switch
Assembly - Driver C2Driver Door 21
Door Lock Motor/Ajar Switch
Assembly - Left Sliding C1Left Sliding Door 22
Door Lock Motor/Ajar Switch
Assembly - Left Sliding C2Left Sliding Door 22
Door Lock Motor/Ajar Switch
Assembly - Passenger C1Passenger Door 22
Door Lock Motor/Ajar Switch
Assembly - Passenger C2Passenger Door 22
Door Lock Motor/Ajar Switch
Assembly - Right Sliding C1Right Sliding Door N/S
Door Lock Motor/Ajar Switch
Assembly - Right Sliding C2Right Sliding Door N/S
Door Lock Motor/Ajar Switch
Assembly-Rear C1Cargo Door 25
Door Lock Motor/Ajar Switch
Assembly-Rear C2Cargo Door 25
Dosing Pump Engine Compartment N/S
EGR Valve Engine Compartment 8
Engine Control Module C1 Instrument Panel 12
Engine Control Module C2 Instrument Panel 12
Engine Control Module C3 Instrument Panel 12
Engine Control Module C4 Instrument Panel 12
Engine Control Module C5 Instrument Panel 12
Engine Coolant Level Switch Engine Compartment 2, 3
Engine Coolant Temperature
SensorEngine Compartment 7
Engine Oil Pressure Sensor Engine Compartment 8
Evaporator Temperature
SensorInstrument Panel-Right 15
Fan Stage 1 Relay (Relay
Block)Under Driver Seat N/S
Fog Lamp Relay (Relay
Block)Under Driver Seat N/S
8W - 91 - 4 8W-91 CONNECTOR/GROUND/SPLICE LOCATIONVA
CONNECTOR/GROUND/SPLICE LOCATION (Continued)