2006 MERCEDES-BENZ SPRINTER heater

AMBIENT TEMPERATURE SENSOR
CAV CIRCUIT FUNCTION
1 20BL/DG AMBIENT TEMPERATURE SENSOR SIGNAL (+)
2 20BR/DG AMBIENT TEMPERATURE SENSOR SIGNAL RETURN
ASH RECEIVER LAMP
CAV CIRCUIT FUNCTION
1 18GY/DG/RD LAMP DRIVER
3 18BR GROUND
AUTOMATIC TEMPERATURE CONTROL MODULE C1 - BROWN
CAV CIRCUIT FUNCTION
1 16RD/BL FUSED B(+)
2 18DG/RD (REST SYSTEM) CIRCULATION PUMP CONTROL
3 18BK/RD A/C AUXILIARY FAN RELAY HIGH SIDE CONTROL
4 16BL/YL HEATER BOOSTER MODE
5 18BR/VT WATER CYCLE VALVE CONTROL
6 20RD/BL 5 VOLT SUPPLY
7 18BK/YL K-IC/ATC/HBM/CHM
8 20BL/VT D(+) RELAY CONTROL
8 16RD/YL/WT FUSED D(+) RELAY OUTPUT
9 16GY/DG/RD LAMP DRIVER
10 16BL CABIN HEATER CONTROL
11 16BK/BL/WT RECIRCULATED AIR SOLENOID VALVE CONTROL
12 16BL/DG A/C COMPRESSOR CLUTCH CONTROL
13 18BR/DG EVAPORATOR TEMPERATURE SENSOR SIGNAL
14 - -
15 16BR GROUND
16 18BR/GY AIR OUTLET TEMPERATURE SENSOR SIGNAL
17 20DG/WT CAN C BUS (+)
18 18BR/BL SENSOR GROUND
19 20BR/RD REFRIGERANT PRESSURE SENSOR FEEDBACK
20 20DG CAN C BUS (-)
21 16BK/BL/DG FUSED IGNITION SWITCH OUTPUT
VA8W-80 CONNECTOR PIN-OUTS 8W - 80 - 7

AUTOMATIC TEMPERATURE CONTROL MODULE C2
CAV CIRCUIT FUNCTION
1 14BK/VT FAN STAGE 1 RELAY OUTPUT
1 12YL BLOWER MOTOR LOW DRIVER
2 12WT BLOWER MOTOR HIGH DRIVER
3 12WT/BK BLOWER MOTOR M1 DRIVER
4 12YL/BK BLOWER MOTOR M2 DRIVER
5 12RD/BL FUSED B(+)
AUXILIARY HEATER CONTROL
CAV CIRCUIT FUNCTION
1 16GY/DG/RD LAMP DRIVER
2- -
3 16RD/YL FUSED B(+)
4- -
5- -
6- -
7 16YL CABIN HEATER CONTROL
8- -
9- -
10 16BR GROUND
BLOWER MOTOR RESISTOR BLOCK
CAV CIRCUIT FUNCTION
1 12YL/BK BLOWER MOTOR M2 DRIVER
2 12YL BLOWER MOTOR LOW DRIVER
3 12WT/BK BLOWER MOTOR M1 DRIVER
4 12DG BLOWER MOTOR HIGH DRIVER
BLOWER MOTOR RESISTOR BLOCK C1
CAV CIRCUIT FUNCTION
1 12RD/BL FUSED B(+)
2 12WT BLOWER MOTOR (+)
8W - 80 - 8 8W-80 CONNECTOR PIN-OUTSVA

C306 - (BODY SIDE)
CAV CIRCUIT FUNCTION
2 14BR
C307 - (BODY SIDE)
CAV CIRCUIT
1 16BR
2 16BL
C307 - (TEMPERATURE SENSOR SIDE)
CAV CIRCUIT
1 16BR
2 16BL
CABIN HEATER ASSEMBLY
CAV CIRCUIT FUNCTION
B 16BL/YL (CABIN HEATER MODULE) CIRCULATION PUMP RELAY HIGH SIDE CONTROL
B 16BL/YL (REST SYSTEM) HEATER BOOSTER MODE
CABIN HEATER MODULE (CHM)
CAV CIRCUIT FUNCTION
1 14RD FUSED B(+)
2 14BR GROUND
3 16BL/YL FAN STAGE 1 RELAY HIGH SIDE CONTROL
4 16DG DOSING PUMP CONTROL
5 16BL/RD K-IC/ATC/HBM/CHM
6 16BK/BL/DG (EXCEPT PROGRAM TIM-
ER)FUSED OPTIONAL EQUIPMENT RELAY OUTPUT
6 16BL (PROGRAM TIMER) CABIN HEATER CONTROL
7 16BL (EXCEPT PROGRAM TIMER) AUXILIARY HEATER SWITCH
7 16YL (PROGRAM TIMER) CABIN HEATER CONTROL
8W - 80 - 28 8W-80 CONNECTOR PIN-OUTSVA

CIRCULATION PUMP (CABIN HEATER MODULE)
CAV CIRCUIT FUNCTION
1 18DG/RD CIRCULATION PUMP RELAY OUTPUT
2 18BR GROUND
CIRCULATION PUMP (REST SYSTEM)
CAV CIRCUIT FUNCTION
1 18DG/RD CIRCULATION PUMP CONTROL
2 18BR GROUND
CIRCULATION PUMP DIODE
CAV CIRCUIT FUNCTION
3 18DG/RD CIRCULATION PUMP RELAY OUTPUT
4 18DG/BK (CABIN HEATER MODULE) CIRCULATION PUMP RELAY OUTPUT
4 18BK (EXCEPT PROGRAM TIMER) FUSED OPTIONAL EQUIPMENT RELAY OUTPUT
CLOCKSPRING C1
CAV CIRCUIT FUNCTION
1 16BR GROUND
2 16BK/YL HORN RELAY CONTROL
CLOCKSPRING C2 - YELLOW
CAV CIRCUIT FUNCTION
1 20VT DRIVER AIRBAG SQUIB 1 LINE 1
2 20DG DRIVER AIRBAG SQUIB 1 LINE 2
VA8W-80 CONNECTOR PIN-OUTS 8W - 80 - 31

CRANKCASE HEATER - BLACK
CAV CIRCUIT FUNCTION
1 18BR (EXCEPT OBD) GROUND
1 18BK/RD (OBD) CRANKCASE HEATER SIGNAL
2 16BK/RD (EXCEPT OBD) FUSED ENGINE CONTROL RELAY OUTPUT
2 18BK/BR (OBD) CRANKCASE HEATER GROUND
CRANKSHAFT POSITION SENSOR - BLACK
CAV CIRCUIT FUNCTION
1 20DG (EXCEPT OBD) CRANKSHAFT POSITION SENSOR SIGNAL NO. 2
1 20DG/WT (OBD) CRANKSHAFT POSITION SENSOR SIGNAL NO. 1
2 20DG/WT (EXCEPT OBD) CRANKSHAFT POSITION SENSOR SIGNAL NO. 1
2 20DG (OBD) CRANKSHAFT POSITION SENSOR SIGNAL NO. 2
CTEL ANTENNA CONNECTOR
CAV CIRCUIT FUNCTION
1 16BK CELLULAR ANTENNA W/SHIELD
2 - SHIELD
CTEL CONNECTOR
CAV CIRCUIT FUNCTION
1 18BR GROUND
4 16DG/YL/BK RADIO MUTE
7 18BL/DG SPEAKER-LEFT FRONT (-) CTEL
9 10BR CTEL CONNECTOR CAV 9 TO MICROPHONE CON-
NECTOR CAV 1
10 18BK/BL FUSED OPTIONAL EQUIPMENT RELAY OUTPUT
11 18RD/BK/WT FUSED B(+)
12 18BK/BL FUSED OPTIONAL EQUIPMENT RELAY OUTPUT
16 18BK/YL SPEAKER-LEFT FRONT (+) CTEL
18 10BL CTEL CONNECTOR CAV 18 TO MICROPHONE CON-
NECTOR
8W - 80 - 34 8W-80 CONNECTOR PIN-OUTSVA

ENGINE CONTROL MODULE C1 (OBD)
CAV CIRCUIT FUNCTION
1 16BL FUEL INJECTOR NO. 1 HIGH-SIDE CONTROL
2 16BL/WT FUEL INJECTOR NO. 4 HIGH-SIDE CONTROL
3 16DG FUEL INJECTOR NO. 3 HIGH-SIDE CONTROL
4 20RD/WT FUEL PRESSURE SOLENOID 12 VOLT SUPPLY
8 18BL/GY FUEL TEMPERATURE SENSOR SIGNAL
10 20RD/YL ENGINE OIL SENSOR 5 VOLT SUPPLY
11 20GY/BL ENGINE OIL SENSOR SIGNAL
12 20BR/RD INTAKE PRESSURE SENSOR GROUND
13 20VT/DG INTAKE PRESSURE SENSOR SIGNAL
14 20BR/DG CAMSHAFT POSITION SENSOR GROUND
15 20DG/BK O2 1/1 PUMP CELL SIGNAL
20 18BK/YL WATER IN FUEL SENSOR SIGNAL
21 18BK/RD CRANKCASE HEATER SIGNAL
25 16BK FUEL INJECTOR NO. 2 HIGH-SIDE CONTROL
26 16BK/WT FUEL INJECTOR NO. 5 HIGH-SIDE CONTROL
28 18RD/BK FUEL QUANTITY SOLENOID 12 VOLT SUPPLY
31 20YL/BL MASS AIR FLOW SENSOR GROUND
32 18DG/BK FUEL TEMPERATURE SENSOR GROUND
35 20BR/BK SENSOR GROUND
36 20VT/RD INTAKE PRESSURE SENSOR 5 VOLT SUPPLY
37 20RD/BL CAMSHAFT POSITION SENSOR 5 VOLT SUPPLY
38 20YL/GY CAMSHAFT POSITION SENSOR SIGNAL
39 20GY O2 1/1 SENSOR CELL SIGNAL
40 20GY/WT O2 1/1 VIRTUAL GROUND
49 16BK/VT FUEL INJECTOR NO. 4 LOW-SIDE CONTROL
50 16BK/DG FUEL INJECTOR NO. 3 LOW-SIDE CONTROL
51 16BK/YL FUEL INJECTOR NO. 5 LOW-SIDE CONTROL
52 20BK/WT FUEL PRESSURE SOLENOID CONTROL
55 18BR WATER IN FUEL SENSOR GROUND
56 20BR/WT ENGINE COOLANT TEMPERATURE SENSOR GROUND
57 20DG/RD ENGINE COOLANT TEMPERATURE SENSOR SIGNAL
59 20DG/VT FUEL PRESSURE SENSOR SIGNAL
61 20BR/VT MASS AIR FLOW SENSOR 5 VOLT SUPPLY
62 20DG/YL O2 1/1 PUMP CELL CONTROL
72 20GY/BL O2 1/1 HEATER CONTROL
73 16BK/RD FUEL INJECTOR NO. 1 LOW-SIDE CONTROL
74 16BK/BL FUEL INJECTOR NO. 2 LOW-SIDE CONTROL
76 18BR/YL FUEL QUANTITY SOLENOID CONTROL
79 18BR/RD WATER IN FUEL SENSOR 12 VOLT SUPPLY
84 20BR/GY FUEL PRESSURE SENSOR GROUND
85 20YL/DG MASS AIR FLOW SENSOR SIGNAL
86 20RD/DG FUEL PRESSURE SENSOR 5 VOLT SUPPLY
87 20DG/WT CRANKSHAFT POSITION SENSOR SIGNAL NO. 1
88 20DG CRANKSHAFT POSITION SENSOR SIGNAL NO. 2
90 20DG/WT EGR VALVE CONTROL
91 18BK/BR CRANKCASE HEATER GROUND
93 16YL/DG BOOST PRESSURE SERVOMOTOR CONTROL
VA8W-80 CONNECTOR PIN-OUTS 8W - 80 - 39

HEATER TIMER-AUXILIARY
CAV CIRCUIT FUNCTION
1 16GY/DG/RD LAMP DRIVER
2 16YL (EXCEPT PROGRAM TIMER) HEATER TIMER (CUT-IN SIGNAL)
2 16YL (PROGRAM TIMER) CABIN HEATER CONTROL
3- -
4 16BR GROUND
5- -
6 16GY/RD HEATER TIMER
7- -
8- -
9 16BR/WT HEATER TIMER
10 16BK/BL/DG FUSED IGNITION SWITCH OUTPUT
11 16RD FUSED B(+)
12 16BR GROUND
HIGH IDLE SWITCH
CAV CIRCUIT FUNCTION
1 16GY/DG/RD LAMP DRIVER
2- -
3 18BR/WT HIGH IDLE ON SIGNAL
4 18BR/WT HIGH IDLE ON SIGNAL
5- -
6- -
7 18BR GROUND
8- -
9 16BK/RD FUSED OPTIONAL EQUIPMENT RELAY OUTPUT
10 - -
HOOD AJAR SWITCH - BLACK
CAV CIRCUIT FUNCTION
1 16BK/BL HOOD AJAR SWITCH SENSE
2- -
3 16BR GROUND
VA8W-80 CONNECTOR PIN-OUTS 8W - 80 - 53

OXYGEN SENSOR (OBD)
CAV CIRCUIT FUNCTION
1 20DG/BK O2 1/1 PUMP CELL SIGNAL
2 20GY/WT O2 1/1 VIRTUAL GROUND
3 20GY/BL O2 1/1 HEATER CONTROL
4 20RD/DG FUSED ENGINE CONTROL RELAY OUTPUT
5 20DG/YL O2 1/1 PUMP CELL CONTROL
6 20GY O2 1/1 SENSOR CELL SIGNAL
PANIC ALARM SWITCH - BLACK
CAV CIRCUIT FUNCTION
1 18GY/DG/RD LAMP DRIVER
2- -
3 18BR GROUND
4- -
5- -
6- -
7 18GY/WT PANIC SWITCH SENSE
8- -
9- -
10 18BR GROUND
PARKING BRAKE SWITCH
CAV CIRCUIT FUNCTION
1 20BR/BK PARK BRAKE INDICATOR SIGNAL
2 16BR GROUND
3- -
4- -
5- -
6- -
7- -
8- -
9- -
10 - -
8W - 80 - 66 8W-80 CONNECTOR PIN-OUTSVA