heater MERCEDES-BENZ SPRINTER 2006 Service Manual

READING LAMP CONNECTOR
CAV CIRCUIT FUNCTION
1 16BR GROUND
2 16RD/YL MAP/READING LAMP SWITCH OUTPUT
RECIRCULATED AIR SOLENOID VALVE
CAV CIRCUIT FUNCTION
1 16RD RECIRCULATED AIR SOLENOID VALVE CONTROL
2 16BK GROUND
REFRIGERANT PRESSURE SENSOR
CAV CIRCUIT FUNCTION
1 18BR/BL SENSOR GROUND
2 20BR/RD REFRIGERANT PRESSURE SENSOR FEEDBACK
3 20RD/BL 5 VOLT SUPPLY
REMOTE KEYLESS ENTRY ANTENNA
CAV CIRCUIT FUNCTION
1 20BR RKE ANTENNA
3 - GROUND
ROLLOVER SWITCH ASSEMBLY
CAV CIRCUIT FUNCTION
1 14RD FUSED B(+)
2 14BR GROUND
4 16DG DOSING PUMP CONTROL
6 16BK/BL/DG (EXCEPT PROGRAM TIM-
ER)FUSED OPTIONAL EQUIPMENT RELAY OUTPUT
6 16BL (PROGRAM TIMER) CABIN HEATER CONTROL
VA8W-80 CONNECTOR PIN-OUTS 8W - 80 - 71

SECURITY SYSTEM MODULE C1 - BROWN
CAV CIRCUIT FUNCTION
1 16BK/WT LEFT TURN SIGNAL
2- -
3- -
4 16BK/DG RIGHT TURN SIGNAL
5 16BK/VT FAN STAGE 1 RELAY
6 16WT/RD WARM AIR AUXILIARY HEATER CONTROL
7 16RD/GY FUSED B(+)
8 16BK/GY FUSED OPTIONAL EQUIPMENT RELAY OUTPUT
9 18VT/DG TOWING/INTRUSION SENSOR INDICATOR DRIVER
10 - -
11 16BR/YL FRONT COURTESY LAMPS CONTROL
12 16BR/WT DOOR AJAR SWITCH SENSE
13 16RD/DG FUSED B(+)
14 16BK/BL HOOD AJAR SWITCH SENSE
15 18GY/WT PANIC SWITCH SENSE
16 16BR GROUND
17 18GY/BR TOWING SENSOR SWITCH SENSE
18 18GY/YL INTRUSION SENSOR SWITCH SENSE
19 - -
20 16BK DRIVER CYLINDER UNLOCK SENSE
21 16RD DRIVER CYLINDER LOCK SENSE
SECURITY SYSTEM MODULE C2 - LT. GREEN
CAV CIRCUIT FUNCTION
1 16DG/YL INTRUSION SENSOR INTERFACE
2 16GY/BL WINDOW DEFOGGER-LEFT REAR OUTPUT
3 16GY WINDOW DEFOGGER RELAY-RIGHT REAR OUTPUT
4 20DG/BK INTRUSION SENSOR 1 SIGNAL
5- -
6- -
7 20GY/BK INTRUSION SENSOR 2 SIGNAL
8 16GY/DG K-CTM/SSM
9 18BK/BL SIREN SIGNAL CONTROL
10 20DG/WT/BL INTRUSION SENSOR 3 SIGNAL
11 16WT/BL RKE INTERFACE
12 16WT/BL/RD SECURITY SYSTEM INTERFACE
VA8W-80 CONNECTOR PIN-OUTS 8W - 80 - 75

WARM AIR AUXILIARY HEATER ASSEMBLY C1
CAV CIRCUIT FUNCTION
1 16YL HEATER TIMER (CUT-IN SIGNAL)
2 14RD FUSED B(+)
3 20BK/YL K-CTM/SSM
4 14BR GROUND
5 16BR/WT HEATER TIMER
6 16GY/RD HEATER TIMER
7 16WT/RD WARM AIR AUXILIARY HEATER CONTROL
WARM AIR AUXILIARY HEATER ASSEMBLY C2
CAV CIRCUIT FUNCTION
1 16DG/RD METERING PUMP DRIVER
2 16BR GROUND
WASHER PUMP MOTOR-FRONT
CAV CIRCUIT FUNCTION
1 16BR GROUND
2 16BK/VT/RD WASHER ON/OFF SWITCH OUTPUT
WATER CYCLE VALVE
CAV CIRCUIT FUNCTION
1 18BR/VT WATER CYCLE VALVE CONTROL
2 18BR GROUND
VA8W-80 CONNECTOR PIN-OUTS 8W - 80 - 83

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/NUMBER COLOR LOCATION FIG.
A/C Auxiliary Fan BK Engine Compartment 5
A/C Auxiliary Fan Relay (In Relay Block) BK Under Driver Seat N/S
Accelerator Pedal Position Sensor (OBD) BK On Gas Pedal 31
Accelerator Pedal Position Sensor BK At Pedal 24
Additional Heat Exchanger BK NS
Additional Heat Exchanger Switch BK NS
Air Outlet Temperature Sensor BK Engine Compartment (Right
Rear)11,33
Airbag Control Module YL Under Driver Seat 17,34,36
Airbag Squib-Driver YL Steering Wheel 17
Airbag Squib-Passenger YL Instrument Panel (Passenger
Side)N/S
Ambient Temperature Sensor BK Front Engine Compartment 2,33
Anti-Icing Switch Center Roof A/C Unit 39
Ash Receiver Lamp In Ash Tray 26
Automatic Temperature Control Module C1 BR Instrument Panel 23
Automatic Temperature Control Module C2 Instrument Panel 23
Auxiliary Heater Relay (In Relay Block) Under Driver Seat N/S
Auxiliary Heater Control Instrument Panel 20
Battery Left Front Engine Compart-
ment2
Battery-Auxiliary BK Engine Compartment 3
Battery Relay-Auxiliary BK Engine Compartment 3
Blower Motor Resistor Block Underhood Right (To The
Instrument Panel)10
Blower Motor Resistor Block C1 Instrument Panel 33
Blower Motor Resistor Block C2 Instrument Panel 33
VA8W-91 CONNECTOR/GROUND/SPLICE LOCATION 8W - 91 - 1

CONNECTOR NAME/NUMBER COLOR LOCATION FIG.
C225 BK Left Rear Engine Compart-
ment29
C226 BK Center Roof A/C Unit 39
C300 BK Front Center Headliner 24
C301 BK Left Lower Instrument Panel 29
C302 Center Roof A/C Unit 38
C303 Center Roof A/C Unit 39
C304 Center Roof A/C Unit 38
C305 Roof A/C Unit 39
C307 Center Roof A/C Unit 40
Cabin Heater Assembly C1 Instrument Panel 5
Cabin Heater Assembly C2 Instrument Panel 5
Camshaft Position Sensor BK Engine Compartment 13
Center High Mounted Stop Lamp Rear Vehicle 53
Central Timer Module C1 PK Instrument Panel 3
Central Timer Module C2 GR Instrument Panel 3
Cigar Lighter WT Near Ash Tray 30
Cigar Lighter Lamp WT Near Cigar Lighter N/S
Circulation Pump (Cabin Heater Module) BK Engine Compartment-Front 10
Circulation Pump (Rest System) NS
Circulation Pump Diode Under Driver Seat 29
Circulation Pump Relay (Relay Block) Under Driver Seat N/S
Clockspring C1 Steering Wheel 17
Clockspring C2 YL Steering Wheel 17,31
Contact Plate-Left Rear License Plate Rear Of Vehicle On Left N/S
Contact Switch Door-Right Rear Right Rear Door N/S
Controller Antilock Brake Engine Compartment-Left 2
Courtesy Lamp - Driver Door BK Driver Door 42
Courtesy Lamp - Left Sliding Door BK Left B-Pillar 42
Courtesy Lamp - Passenger Door BK Passenger Door 42
Courtesy Lamp - Right Sliding Door BK Right B-Pillar 42
Crankcase Heater BK Engine Compartment N/S
Crankshaft Position Sensor BK On Engine 15
CTEL Antenna Connector48
CTEL Connector BK Instrument Panel N/S
Cylinder Lock Switch-Driver Driver Door 43
D(+) Relay No.1 (Relay Block) BK Under Driver Seat N/S
D(+) Relay No.2 (Relay Block) BK NS
Data Link Connector BK Under Dash 29
Daytime Running Lamp Relay-Left Side (Re-
lay Block)BK Under Driver Seat N/S
Daytime Running Lamp Relay-Right Side
(Relay Block)BK Under Driver Seat N/S
VA8W-91 CONNECTOR/GROUND/SPLICE LOCATION 8W - 91 - 3

CONNECTOR NAME/NUMBER COLOR LOCATION FIG.
Heated Seat Switch-Passenger BK On Passenger Seat 20
Heater Timer-Auxiliary GN Under Driver Seat 20
High Idle Switch BK NS
High Pressure Pump Shutoff Valve Engine Compartment 12
High Pressure Switch BK Left Roof A/C Unit 39
Hood Ajar Switch BK Engine Compartment 30
Horn BK Engine Compartment N/S
Horn (VTSS) BK Engine Compartment 4
Horn Relay (Relay Block) BK Under Driver Seat N/S
Horn-Switch Steering Wheel 17
Ignition Lock Switch BK Steering Column N/S
Instrument Cluster C1 Instrument Panel 17
Instrument Cluster C2 WT Instrument Panel 17
Instrument Panel Socket BK Instrument Panel 25
Intake Air Pressure Sensor (OBD) BK Engine Compartment-Left N/S
Intake Air Temperature Sensor BK 11
Interference Suppression Capacitor Center Roof A/C Unit 39
Interior Lamp No. 1 Headliner-Front N/S
Interior Lamp No. 2 Headliner-Front N/S
Interior Lamp No. 3 Headliner-Front N/S
Interior Lamp No. 4 Headliner-Front 48
Interior Lamp No. 5 Headliner-Front 48
Interior Lamp-Left BK Left Upper Side 42
Interior Lamp-Middle Front BK Headliner-Front 42
Interior Lamp-Middle Rear BK Headliner Middle Rear 42
Interior Lamp-Rear No. 1 BK Headliner-Rear 42
Interior Lamp-Rear No. 2 BK Headliner-Rear 42
Interior Lamp-Right BK Right Upper Side 42
Interior Lamp-Right Center BK Headliner-Rear N/S
Interior Light Switch BK Instrument Panel N/S
Interior Light Switch-Driver BK Driver Side Of Vehicle 26
Interior Light Switch-Passenger BK Passenger Side Of Vehicle 26
Interior Light Switch-Rear BK Rear Side Of Vehicle 48
Interior Lighting Connector Instrument Panel N/S
Intrusion Sensor No. 1 BK Headliner-Front Body 37
Intrusion Sensor No. 2 WT Headliner-Mid Body 37
Intrusion Sensor No. 3 WT Headliner-Rear Body 37
K138 Relay (Relay Block) BK Under Driver Seat N/S
Kick Down Switch BK Instrument Panel 24
Lamp Relay-Left (Relay Block) BK Under Driver Seat N/S
Lamp Relay-Right (Relay Block) BK Under Driver Seat N/S
Lateral Aceleration Sensor Under Driver Seat 3, 32
License Plate Lamp No. 1 On Rear Of Vehicle 53
8W - 91 - 6 8W-91 CONNECTOR/GROUND/SPLICE LOCATIONVA

CONNECTOR NAME/NUMBER COLOR LOCATION FIG.
TCS Switch (ASR) BK Center Of Instrument Panel 20
Temperature Sensor WT Center Roof A/C Unit 40
Thermotronic Control Module BK N/S
Thermotronic Diode Center Roof A/C Unit 39
Time Delay Relay Under Driver Seat N/S
Towing/Intrusion Sensor ON/OFF Switch BK Instrument Panel 20
Trailer Tow Connector Under Rear Of Vehicle N/S
Trailer Tow Control Module C1 BK Rear Of Vehicle N/S
Trailer Tow Control Module C2 BK Rear Of Vehicle N/S
Transmission Control Module C1 BK Engine Compartment 3
Transmission Control Module C2 BK Engine Compartment 3
Transmission Relay (Relay Block) In Fuse Block No.1 N/S
Transmission Solenoid Assembly BK Transmission 16
Turn Signal Lamp No.1-Left Front BK Front Of Vehicle On Left
SideN/S
Turn Signal Lamp No.1-Right Front BK Front Of Vehicle On Right
SideN/S
Turn Signal Lamp No.2-Left Front BK Front Of Vehicle On The
Left Side45
Turn Signal Lamp No.2-Right Front BK Front Of Vehicle On The
Right Side45
Turn Signal Relay (Fuse Block No.1) In Fuse Block No.1 N/S
Turn Signal/Anti-Theft Alarm Relay-Left (Re-
lay Block)BK Under Driver Seat N/S
Turn Signal/Anti-Theft Alarm Relay-Right
(Relay Block)BK Under Driver Seat N/S
Warm Air Auxiliary Heater Assembly C1 Instrument Panel 33
Warm Air Auxiliary Heater Assembly C2 Instrument Panel 33
Washer Pump Motor-Front WT Engine Compartment 25
Water Cycle Valve BK Underhood (To The Instru-
ment Panel)10
Water In Fuel Sensor Engine Compartment 14
Wheel Speed Sensor-Left Front Left Front Wheel 2
Wheel Speed Sensor-Left Rear Left Rear Wheel 2
Wheel Speed Sensor-Right Front Right Front Wheel 49
Wheel Speed Sensor-Right Rear Right Rear Wheel 49
Window Defogger Module - Rear BK Rear Of Vehicle N/S
Window Defogger Relay-Left Rear (Relay
Block)BK Under Driver Seat N/S
Window Defogger Relay-Right Rear (Relay
Block)BK Under Driver Seat N/S
Window Defogger Switch - Rear BK Instrument Panel 25
Window Defogger-Left Rear On Left Rear Window 53
Window Defogger-Right Rear On Right Rear Window 53
Wiper Motor-Front BK Underhood (To The Window) 8
VA8W-91 CONNECTOR/GROUND/SPLICE LOCATION 8W - 91 - 9

SPLICE NUMBER LOCATION FIG.
S210 Near Radio 21
S211 Near Heater Timer-Auxiliary 21
S212 Near Security System Module 50
S213 Instrument Panel 18, 50
S214 Near Security System Module 18
S215 Instrument Panel 18
S216 Instrument Panel 18
S217 Near Engine Control Module 18
S218 Instrument Panel 21
S219 Instrument Panel 18
S220 Near Central Timer Module 18
S221 Instrument Panel 18
S222 Near Security System Module 18
S223 Instrument Panel 18
S224 Instrument Panel 18
S225 Instrument Panel 18
S226 Near Turn Signal/Anti-Theft Alarm Relay-Left 18
S227 Near Sentry Key Remote Entry Module 18
S228 Instrument Panel 18
S229 Near C202 9
S230 Center Instrument Panel 23, 25
S231 Left Plenum 27
S232 Left Plenum 27
S250 Near Turn Signal/Anti-Theft Alarm Relay-Left 18
S251 Near Trailer Tow Control Module 9
S252 Near Trailer Tow Control Module 21
S253 Instrument Panel 21, 22
S254 Near Interior Lamp No.5 9
S255 Near Control Timer Module 27
S256 Near A/C Roof-Switch 18, 21
S257 Near Data Link Connector 18
S258 Near Transmission Control Module 18
S259 Under Drivers Seat 18
S260 Under Drivers Seat 18
S261 Near Data Link Connector 18
S262 Under Drivers Seat 18
S299 Instrument Panel N/S
S300 Near Heated Seat Switch-Driver 21
S301 Near Heated Seat Switch-Passenger 21
S302 Under Drivers Seat 18
S303 Near Power Window Switch-Driver 21
S304 Near Power Window Motor-Driver 21
S305 Near Power Window Motor-Driver 21
VA8W-91 CONNECTOR/GROUND/SPLICE LOCATION 8W - 91 - 11

(6) Remove the turbocharger heat shield (Fig. 3).
(7) Remove the engine cover (Fig. 3).
(8) Remove the air cleaner and hose at the turbo-
charger and air cleaner assembly.
(9) Disconnect the transmission lines at the radia-
tor.
(10) Disconnect the upper and lower radiator
hoses.
(11) Disconnect the A/C lines at the condenser.
(12) Disconnect the condenser fan harness connec-
tor.
(13) Disconnect the power steering cooler lines at
the cooler.
(14) Disconnect the charge air cooler hose at the
intake manifold (Fig. 3).
(15) Remove charge air hose fasteners at the radi-
ator closure panel.
(16) Remove the fasteners retaining the radiator to
the front crossmember.(17) Remove the change air cooler, A/C conderser
and fan as an assembly.
(18) Disconnect the charge air hose at the intake
manifold (Fig. 3).
(19) Remove the radiator assembly.
(20) Disconnect the high pressure and return
hoses at the power steering pump.
(21) Disconnect the fuel lines at the fuel filter.
(22) Disconnect the refrigerant line at the A/C
compressor.
(23) Disconnect the vacuum line for the brake
booster at the vacuum pump (Fig. 3).
(24) Disconnect the coolant hose of heating return
flow at the water pump.
(25) Disconnect the coolant hose of the heater sup-
ply at the coolant pipe at the side of the cylinder
head.
Fig. 3 ENGINE COVER
1 - ENGINE COVER 6 - HIGH PRESSURE FUEL PUMP
2 - FUEL RAIL 7 - VACUUM PUMP
3 - INTAKE MANIFOLD 8 - OIL LEVEL INDICATOR
4 - EGR VALVE 9 - HEAT SHIELD
5 - AIR INLET TUBE 10 - TRANSMISSION OIL LEVEL INDICATOR
9 - 6 ENGINEVA

(26) Disconnect the air inlet, CCV breather hoses
and CCV heater at the turbocharger (Fig. 4).
(27) Raise and support the vehicle.
(28) Disconnect the front exhaust at the turbo-
charger (Fig. 4).
(29) Disconnect the electrical connector at the
transmission.
Fig. 4 TURBOCHARGER INLET
1 - CCV BREATHER 5 - MAF SENSOR
2 - OIL LEVEL INDICATOR 6 - AIR CLEANER COVER
3 - CCV HEATER 7 - TURBOCHARGER
4 - TURBOCHARGER INLET HOSE 8 - EXHAUST PIPE
VAENGINE 9 - 7