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Cascadia®
SAM PIN LAYOUT
EPA 2010 Vehicles
SAM 6.0 Hardware

LOGIC CONTROLLED OUTPUTS

2

3

F36 (15A)

30

X3/3 – 12V Power Receptacle 4 (Sleeper, Cigar), BAT

86

85

Temp Sensor Rear Axle 2, GND - X59/14
Temp Sensor Rear Axle 1, GND - X59/17

SAM CHASSIS KEY:
X(connector)/(cavity) – Pin description
° indicates Midline or Highline function
* indicates Highline only function

F40 (15A)
X8/7 – Power Window Driver, ACC

X2/12 – MSF, BAT

NOTE: R8

This relay has +12v at pin 86 and is
grounded to the SAM CHAS at pin 85.
All other relays except for SAM CHAS
R3 are powered through pin 85 and
grounded at pin 86.

R8 is a single throw relay, it will only
have 4 prongs. Either pin 87 or pin
87a will be missing, depending on the
intended functionality of the circuit.
If prong 87a is missing the circuit will
be normally open, the trailer power
circuit is enabled only if the key is in
IGN position or enabled through a
switch (depending on SAM
parameterization)
If prong 87 is missing, the circuit is
normally closed (BAT).
If a 5 prong relay is used, the trailer
power will be always on.

NOTE R3:

F5 (10A)

This relay has +12v at pin 86 and is
grounded to the SAM CHAS at pin 85.
All other relays except for SAM CHAS
R1 are powered through pin 85 and
grounded at pin 86.

X2/3 – OBD J1939, BAT
X2/6 – OBD DCDI, BAT

F8 (15A)

NOTE R1:

X1/7 – *Hands Free Phone, BAT
X3/11 – Radio, BAT

F10 (30A)
X7/4 – Cabin HVAC Fan Motor, BAT

F11 (30A)
F12 (20A)
F13 (20A)

X7/3 – Sleeper HVAC Fan Motor, BAT
X8/4 – Door Control Driver, BAT
X2/13 – *Collision Avoidance System, BAT
X8/6 – Door Lock, BAT

F16B (20A)
X2/18 – Auxiliary Coolant Heater, Bat
X3/5 – Auxiliary Cab Heater, Bat
X13/1 – Auxiliary Coolant Heater, Enable

F18 (15A)

*Hands Free Phone, GND - X1/2
*Heated Seats, GND - X1/5
*Auxiliary Circulation Fan, Sleeper, GND - X1/8
Sleeper HVAC Controller, GND - X1/11
Cabin HVAC Controller, GND - X1/14

X3/1 – *GPS, BAT
X3/2 – *Antitheft Warning System, BAT
X10/16 – *Tire Pressure Monitoring, BAT
X11/19 – *Auxiliary Telematic Unit, BAT

F20 (2A)

X18

SAM CAB
Top Side

Normally
Closed
(BAT power)

Normally Open
(IGN or
Switch power)

NOTE R9:

To F14

85

87a

The SAM switches relay 9 on supplying
power to fuse 13 when the headlight
switch is on—thus turning on the trailer
tail lamps.
When in emergency power mode, the
SAM switches relay 9 on and off, which
switches the power to fuse 13 on and
off—thus flashing the trailer tail lamps.

85
87

30

86

86

30

87

87

87a

87a
86

85

86

85

30

30

NC Relay Pin 87
missing

NO Relay Pin 87a
missing

SAM CHASSIS
Engine Side

X21
X19
X20

X3/18 – CGW, BAT

X4

X6/18 – Instrument Cluster, Horn Switch Supply, BAT

X1

R2
20

F3

10 20

F5

20 20

F6

X57

F7

F19

F1

R1
F1
F2

F22

R3

F4

R4

X56

F22 (5A)

MSF, GND - X2/2
Area Lighting, Sleeper, GND - X2/5
Diagnostic Connector, GND1 - X2/8
Diagnostic Connector, GND2 - X2/11
*Collision Avoidance System, GND - X2/16
*Auxiliary, Coolant Heater, GND - X2/17

To F14

BAT

X1/3 – Cabin HVAC Controller, BAT
X1/6 – Sleeper HVAC Controller, BAT
X1/9 – Transmission Shift Control Panel, BAT

BAT

F4 (15A)

*Horn Pneumatic, Control – X21/10
Turn Left Front Side – X21/11
Wiper Low – X21/12
Wiper High – X21/15

15

F30

F8
20

10

3

1
13

SAM CAB INPUTS

X18

1

19

3

21

3

F16A

Alternate fuse position is not LVD controlled.

F14_1

Fuse position shown is LVD (Low Voltage Disconnect) controlled.

19

15
3

21
3

1

20
Nm

G
N
D

X59

3

21

SAM CAB
Bottom Side

SAM CHASSIS
Cab Side

X51
1

2

3

8

9

1

2

3
9
6
3

8

4

5

1

2

7

4

7

6

19

4

1

5

19

21

6

1

3

X53

Fuse Legend
2A
3A

1

4

X55

2

15A

3

10A

4

X54

7.5A

2

5A

1

either the open or closed state with a
pulse from the SAM as battery charge
levels are reached. SAM will check the
state of the relay on ignition transition.
The ignition switch should be cycled
after replacing a bistable relay.

*Horn Pneumatic, GND - X21/1
Wiper, GND - X21/3
Spare, GND - X21/5
LVD Sense, GND - X21/6

1

F14_2

X52

NOTE BR: Bistable relays magnetically latch in

Fog Lamp, Front Right, GND - X20/1
*Distance Sensor, GND - X20/2
Fog Lamp, Front Left, GND - X20/3
High/Low Beam Auxiliary, Right, GND - X20/4
High/Low Beam Auxiliary, Left, GND - X20/5
Washer Pump, GND - X20/7
Temp Sensor Outside Air, GND - X20/18

3

1

F16B

F18

5

X20

X21/8 – Alternator Charging
X21/9 – Wiper Parked
X21/13 – LVD Sense, Bat/Emergency Supply

*Activate PTO Solenoid, GND - X19/1
Starter Relay, GND - X19/2
HVAC Pressure Transducer, GND - X19/12

B
+

X21
X19

X20/16 – Temp Sensor Outside Air, Feedback
X20/21 – Washer Fluid Lever, Feedback

Marker Lamps, Front Left, GND - X18/1
Headlamp, Turn Lamp Corner, Right, GND - X18/2
Horn (Electric), GND - X18/3
Marker Lamps, Corner Front Right, GND - X18/4
Headlamp, Turn Lamp Corner, Left, GND - X18/7
Marker Lamps, Front Right, GND - X18/10
Marker Lamps, Corner Front Left, GND - X18/13

13

15

13
4
3
4

3

2
1
2

1

F13

X58

X19/10 – HVAC Pressure Transducer, Feedback
X19/15 – Air Filter Restriction Restriction Sensor, Return
X19/19 – *PTO Response (Feedback)

*Keyless Go/Keyless Entry, GND - X17/6
Heated Mirror, Passenger, GND - X17/8
Door Control Passenger, GND - X17/9

F12

X17

3

X18/11 – Hood Tilt Switch Signal Return

*Lane Guidance, GND - X16/3
*CD Player, GND - X16/6
Clearance Lamps Front I, GND - X16/9
Reading Lamps 3&4, GND - X16/12
Dome Lamps, Forward, GND - X16/15
Auxiliary Mirror Heating (Mirror On Hood), GND - X16/18

F11

F14

F41

F13

X17/5 – Door Open Passenger Side, Return

12V Power Receptacles 3&4, GND - X14/3
12V Power Receptacle 5&6, GND - X14/4
*Power Feed Spare Output 5&6, GND - X15/3
12V Power Receptacle 1&2, GND - X15/4

30

3

Dome Lamps, Sleeper, GND - X12/4
Reading Lamps 1&2, GND - X12/8
Footwell Lamp, GND - X12/10
Sleeper Dome Lamp, Zone 4B, GND - X12/11
Rear Baggage Compartment Lights, GND - X12/14

30

F29

X13/2 – SAM Cab CAN_L_CABIN
X13/3 – SAM Cab CAN_H_CABIN
X13/4 – *Ignition Switch - OFF
X13/5 – Ignition Switch - ACC
X13/6 – Ignition Switch - ON (Ignition)
X13/8 – Park Brake Switch Return
X13/10 – Low Air Pressure Switch Return
X13/12 – Service Brake Pressure Switch Return
X13/13 – Horn Switch UC Bypass
X13/14 – *Start Enable - Crank Interlock
X13/15 – Ignition Switch – CRANK

*Rain/Light Sensor, GND - X11/10
Clutch Switches Return, GND - X11/16
*Auxiliary Telematic Unit, GND - X11/18

18

16

10

X9

X12/1 – Rear Baggage Comp Light Switch Center
X12/2 – Rear Baggage Comp Light Switch Left
X12/5 – Rear Baggage Comp Light Switch Right

Panel Lamps, GND - X10/4
Tire Pressure Monitoring, GND - X10/5
Power Feed Sleeper Thermostat OI - X10/8
Spare Pin P, GND - X10/11
Inside Air Temperature Sensor, GND - X10/14

R8

R9
21

R15

R10

15
15

X11/15 – *Rain/Light Sensor, LIN
X11/17 – Top of Clutch, Cruise Control Disable
X11/20 – Bottom of Clutch, Starter Control

*Body Builder Connector: GND1 - X9/8

30

R7

X16

20

19

10
10

F10

20

15

3

R9

1

5

9

R8

10

20

15

15

7

4
3
1
7

15

20

7.5

X15

1

2
1

3

1

20

3

20

9

3

30

1

BR24

BR21
20

20

30

X8

X10/3 – Belt Buckle Contact Signal
X10/6 – Vehicle Power Shut Down Signal – OI
X10/9 – Inside Temperature Sensor, Feedback
X10/12 – A/C Compressor Clutch Request
X10/15 – *Belt Buckle Contacts GND

Mirror Heating, Driver, GND - X8/2
Door Control Driver, GND - X8/3

15

5

30

20
3

F9

R6

15

15

25

15

X7

R7
BR25

X3

5

BR23

3

15

X14

25

R3

18

16
3
21

1

10

X8/1 – Door Open Switch, Driver Side Return

Sleeper HVAC Fan Motor, GND - X7/1
Cabin HVAC Fan Motor, GND - X7/2

2
15

X2/7 – PTO, Hardwired Interlock

CB Radio, GND - X6/1
Instrument Cluster, GND - X6/4
Fleet Management System, GND - X6/7

BR22

1
2

30

20

20

15

X6

X17/4 – Door Control Passenger, BAT

Power Feed Spare Output 2, GND - X5/3
*Power Feed Spare Output 4, GND - X5/4

15

R5

3

1
2

15

3
3

3
18

4

1
16

X2

X6/12 – Power Feed Clock Cab, BAT
X6/13 – *Power Feed Driver Information System, BAT
X6/14 – Power Feed Clock Sleeper, BAT
X16/1 – *CD Player, BAT
X17/7 – *Keyless Go/Keyless Entry, BAT

F38 (20A)

Power Feed Spare Output 1, GND - X4/3
*Power Feed Spare Output 3, GND - X4/4

20
30

1

F37 (15A)

X5

X16/16 – Spot Light, BAT

19

F33 (20A)

4

X15/1 – *Power Feed Spare Output 5, BAT
X15/2 – *Power Feed Spare Output 6, BAT

13

F32 (25A)

Spare Pin A, GND - X3/8
Auxiliary Cab Heater, GND - X3/13
*SRS Airbags, GND - X3/14
CGW, GND - X3/16
*Amplifier Power, GND - X3/17
Radio, GND - X3/19
*Antitheft Warning System, GND - X3/20
Utility Light, GND - X3/21

GROUND RETURN PINS

X59/3 - Backup Switch, Return
X59/9 - Fuel Water Separator Sensor, Feedback
X59/10 - Temperature Sensor Rear Axle 1, Feedback
X59/13 - Temperature Sensor Rear Axle 2, Feedback
X59/15 - Diff Lock Feedback Switch Return, RA1
X59/16 - Diff Lock Solenoid Return, RA1 and RA2
X59/18 - Transmission Neutral Switch, Return
X59/21 - Diff Lock Feedback Switch Return, RA2

Marker Lamps, Side Left, GND - X58/4
Tail Lamp, Right, GND - X58/5
Tail Lamps, Left, GND - X58/8
Marker Lamp, Side Right, GND - X58/14
Fuel Level Sensor, GND - X58/15

X1/13 – *Auxiliary Circulation Fan, Sleeper, BAT
X16/13 – Reading Lamp, (Switched Locally) 4, BAT

FUSED PASSTHROUGHS

Fog Lamp, Front Left – X20/8
*High Beam Auxiliary, Left – X20/10
Low Beam Auxiliary, Left – X20/11
*High Beam Auxiliary, Right – X20/12
Low Beam Auxiliary, Right – X20/14
Turn Right Front Side – X20/15
Fog Lamp, Front Right – X20/17
Washer Pump, Control – X20/20

X58/7 - Fuel Level Sensor, Feedback

°Power Feed EAPU (Air Processing Unit), GND - X57/2
Air Dryer (Pneumatic, Electrically Heated), GND - X57/3
Fuel Water Separator Heater Element, GND - X57/5

X17/1 – Power window Pass, ACC

F2 (15A)

INTERNAL SAM PC BOARD

Starter Relay – X19/3
A/C Compressor Clutch – X19/6
*Activate PTO Solenoid – X19/9
Hood Tilt Switch Signal Supply – X19/14
Hood Tilt & Neutral & Park Brake OI Supply – X19/16
*PTO Solenoid Activated – X19/21

X53/5 - Trailer ABS Connector (7), ABS Detection
X56/4 - Diff Lock Solenoid Return, FA1 and FA2
X56/5 - Diff Lock Feedback Switch Return, FA1
X56/6 - Diff Lock Feedback Switch Return, FA2

*Trailer, GND2 - X56/1

Door Sill Lamp Passenger – X17/3
Low Beam, Left – X18/5
High Beam, Left – X18/6
Marker Lamps, Corner Front Right – X18/8
Turn Right Front Corner – X18/9
Marker Lamps, Front Right – X18/12
Marker Lamps, Front Left – X18/14
DRL (Daytime Running Lights), Right – X18/15
Marker Lamps, Corner Front Left – X18/16
High Beam, Right – X18/17
DRL (Daytime Running Lights), Left – X18/18
Turn Left Front Corner – X18/19
Low Beam, Right – X18/20
Horn (Electric), Control – X18/21

X51/1 - SAM_Chas CAN_L - Cabin
X51/2 - SAM_Chas CAN_H - Cabin
X51/3 - Hard wired ISS, Chas

Trailer ABS Connector (7), GND1 - X54/3

F39 (15A)

87

Clearance/ID Lamps Front II – X16/4
Clearance Lamps Front I – X16/8
Dome Lamp, Fwd Overhead Zone 1, PWM – X16/11
Dome Lamp, Fwd Overhead Zone 1, PWM – X16/14

87a

R15
N.O.

INTERNAL SAM PC BOARD

LOGIC CONTROLLED, RELAYED, FUSED OUTPUTS

GROUND RETURN PINS

F17 (20A)

1

Note: BR

X14/1 – 12V Power Receptacle 5, BAT

4

BR25

Footwell Lamp, Zone 2, PWM – X12/3
Reading Lamp 1, Zone 9, PWM – X12/6
Mid Dome Lamp, Zone 4A, PWM – X12/7
Sleeper Dome Lamp, Zone 4B, PWM – X12/9
Sleeper Footwell Lamp, Zone 10, PWM – X12/13
Turn Left Front Side – X12/15
Reading Lamp 2, Zone 5, PWM – X12/16
Sleeper Dome Lamp, Zone 4C, PWM – X12/17
Turn Right Front Side – X12/18

5

LOGIC CONTROLLED OUTPUTS

X16/7 – Dome Lamp Cab, BAT

X55/3 - Trailer Tail Lamps
85

X16/17 – Baggage Compartment Light Switch supply, BAT

F31 (20A)

86

F35 (15A)

Marker Lamps, Corner Rear Left, GND - X53/4
°Rear View Camera, GND - X53/6
Marker Lamps, Side Left, GND - X53/8

X55/1 - Trailer Power, BAT or IGN

F13 (20A)

87

2

3

X2/15 – Area Lighting (Lwr Bunk & Slpr Wrk Srfc), BAT

F34 (3A)

Marker Lamp, Side Right, GND - X52/2
Marker Lamp, Corner Rear Right, GND - X52/5
Power Feed 1 ABS/BS, GND - X52/8
Power Feed 2 ABS/BS, GND - X52/9

Note: R9

30

F21 (15A)

Backup Switch, Supply - X59/1
Transmission Neutral Switch, Supply - X59/2
Diff Lock Solenoid Driver, RA1 and RA2 - X59/11
Diff Lock Feedback Switch Supply, RA1 - X59/19
°Diff Lock Feedback Switch Supply, RA2 - X59/20

R9
N.O.

87a

1

X14/2 – 12V Power Receptacle 6, BAT

F14 (30A)
Note:
R8

5

Note: BR

4

BR24

85

X16/10 – Auxiliary Mirror Heating (Hood Mtd)

86

85

86

F30 (20A)

X55/4 - Trailer Stop Lamps

87

87

*Diff Lock ICU Indicator, RA2 – X11/1
Washer Level, ICU Indicator – X11/2
Electrical Global Fault Indicator – X11/3
*Fuel Water Separator ICU Indicator – X11/4
Diff Lock ICU Indicator, RA1 – X11/5
Low Air Pressure ICU Indicator – X11/6
LVD Chime/Lights "ON" Buzzer – X11/7
Engine Brakes-Retarder Enable, ICU Indicator – X11/8
High Beam ICU Indicator – X11/9
Turn Signal Left ICU Indicator – X11/11
Alternator No Charge ICU Indicator – X11/12
Turn Signal Right ICU Indicator – X11/13
Park Brake Switch ICU Indicator – X11/14

30

30

87a

X17/2 – Mirror Heating Passenger

F41 (10A)

F12 (30A)

87a

85

86

X8/8 – Mirror Heating, Driver

F28 (10A)

Panel Lamps, PWM – X10/13
Wake Up Instrument Cluster – X10/17

X54/1 - Trailer ABS Connector (7), IGN

85

87

X3/9 – *Amplifier Power, ACC

F27 (10A)

86

30

87a

F9 (20A)

R7
N.O.

Turn Right Rear, Lower - X58/1
Tail Lamp, Right - X58/3
Turn Left, Rear, Lower - X58/10
License Plate Lamp (First) - X58/12
Marker Lamp, Side Right - X58/13
Marker Lamp, Side Left - X58/16
Tail Lamp, Left - X58/18
Backup Lamp 1 - X58/19
Stop Lamp, Rear Right Lower - X58/20
Stop Lamp, Rear Left Lower - X58/21

F11 (30A)

87

85

86

R10
N.O.

X1/1 – *Transmission Temp Gauge & Shift Selector, IGN
X1/4 – *Hands free phone/Dash Splice, IGN
X2/14 – *Collision Avoidance System, IGN
X3/6 – *SRS Airbag, IGN

30

87

F25 (10A)
F26 (5A)

R9
N.O.

87a

30

87a

*Body Builder Connector, RPM – X9/1
*Body Builder Connector, Vehicle Speed – X9/2
Function Pin 1 – X9/3
*Body Builder Connector, Park Brake – X9/4
Function Pin 2 – X9/5
Function Pin 4 – X9/6
Function Pin 3 – X9/7
*Body Builder Connector, Backup Lamp – X9/9
*Body Builder Connector, Marker Lights – X9/10
*Body Builder Connector, Tail Lights – X9/12
*Body Builder Connector, Right Turn – X9/13
*Body Builder Connector, Left Turn – X9/14
*Body Builder Connector, Stop Lights – X9/15

X2/9 – Diagnostic Connector, IGN
X6/16 – Instrument Cluster, IGN

X55/2 - Trailer Marker Lamps

85

F24 (7.5A)

R8
N.O.

R6
N.O.

86

85

86

Utility Light – X3/7
Door Open Status – X8/5
Door Sill Lamp Driver – X8/9

X3/10 – *GPS, IGN
X6/5 – *Power Feed Driver Information System, IGN
X6/6 – Fleet Management System, IGN
X6/8 – *Power Feed Gauge Pyrometer, IGN
X6/10 – Power Feed Gauge Axle Temp, IGN
X6/11 – Power Feed Gauge Engine Oil Temp, IGN

R5
N.O.

Marker Lamp, Side Left - X53/1
Marker Lamp, Corner Rear Left - X53/2
*End of Frame Primary Trailer Power - X56/3
*End of Frame Primary Trailer Turn Lamps Right - X56/7
*Diff Lock Feedback Switch Supply, FA2 - X56/8
End of Frame Supplemental Trailer Power/Backup - X56/9
*End of Frame Primary Trailer Turn Lamps Left - X56/10
*Diff Lock Feedback Switch Supply, FA1 - X56/11
*Diff Lock Solenoid Driver, FA1 and FA2 - X56/12
*End of Frame Primary Trailer Tail Lamps - X56/13
*End of Frame Primary Trailer Stop Lamps - X56/14
*End of Frame Primary Trailer Marker Lamps - X56/15

87

position for no LVD

30

NOTE: Alternate fuse

F9 (30A)

87a

87

Hard Wired ISS, CAB – X2/10

85

86

F23 (15A)

87

30

87a

R7
N.O.

X53/7 - Trailer Turn Lamp Right

Marker Lamp, Side Right - X52/1
Marker Lamp, Corner Rear Right - X52/3

X2/1 – Auxiliary Cab Heater, Enable

Temp Sensor Outside Air Gauge, IGN – X20/13
*Distance Sensor, IGN – X20/19

30

X6/2 – Alt
X6/3 – Alt

F8 (20A)

87a

X6/2 – Fleet Management System, BAT
X6/3 – CB Radio, BAT

X53/3 - °Rear View Camera, IGN
X57/1 - °Power Feed EAPU/WIF Module, IGN

86

F16A (3A)

Hard Wired ISS, Chas - X51/3

85

*Air Intake Warmer/Grid Heater, IGN – X19/11
Air Filter Restriction Restriction Sensor, Supply – X19/13
HVAC Pressure Transducer, Supply – X19/17
Engine ECU, IGN – X19/18
Ether Start Power, IGN – X19/20

R4
N.O.

X52/6 - Power Feed ABS/BS, IGN

F7 (10A)

87

2

3

F14 (25A)

Note: R3

IGN Supply, Not Connected - X58/2

30

1

F14 (25A)

*Lane Guidance, IGN – X16/2
*Auxiliary Circulation Fan-Windshield, ACC – X16/5

Air Dryer (Pneumatic, Electrically Heated), ACC - X57/4

X53/9 - Trailer Turn Lamp Left

F6 (15A)

87a

X6/9 – 12V Power Receptacle 2 (Dash, Phone), BAT

4

Note: BR

5

BR23

Ignition Switch - BAT – X13/7
Park Brake Switch Supply – X13/9
Low Air Pressure Switch Supply – X13/11

R3
N.O.

X57/15 - Fuel Water Separator Heater Element, IGN

F5 (20A)

85

85

86

F7 (15A)

Rear Baggage Compartment Lights – X12/12

86

87

X1/12 – *Heated Seats, IGN

Emergency BAT, Chas - X51/5

F2 (20A)

87

F19 (20A)

R2
N.O.

Power Feed 2 ABS/BS, BAT - X52/4

30

30

87a

*Rain/Light Sensor, BAT – X11/21

X3/15 – 12V Power Receptacle 3 (Sleeper, Cigar), BAT

2

3

R3
N.O.

X5/1 – Power Feed Spare Output 2, BAT
X5/2 – *Power Feed Spare Output 4, BAT

Note: R1

F4 (10A)

87a

F15 (20A)

1

Note: BR

4

*Body Builder Connector: IGN – X9/11
Tire Pressure Monitoring, IGN – X10/1
Mirror Adjust Switch, ACC – X10/2
Service Brake Pressure Switch, Supply – X10/7
Pwr Feed Slpr Thermostat OI, IGN – X10/10
Radio, ACC – X10/18

5

BR22

Power Feed 1 ABS/BS, BAT - X52/7

86

*Advertising Light, ACC – X3/4

R1
N.O.

F3 (20A)

85

F3 (30A)

F1 (20A)
°Power Feed EAPU (Air Processing Unit), BAT - X57/13

87

X6/15 – 12V Power Receptacle 1 (Dash, Cigar), BAT

2

3

VCU/CPC, IGN – X2/4

X4/1 – Power Feed Spare Output 1, BAT
X4/2 – *Power Feed Spare Output 3, BAT

30

1

F6 (15A)

87a

4

5

IGNITION CONTROLLED OUTPUTS

F1 (30A)
Note: BR

BAT from
PNDB
F10 (5A)

FUSED
IGNITION
PASSCONTROLLED
OUTPUTS THROUGHS

F29 (3A)

BR21

Cabin HVAC Controller, ACC – X1/10
Sleeper HVAC Controller, ACC – X1/15

SAM CHASSIS
GND to
MGJB

LOGIC CONTROLLED RELAYED, FUSED OUTPUTS

BAT from
PNDB

SAM CHAS INPUTS

SAM CAB
GND to
MGJB

20A
SAM CAB KEY:

25A

X(connector)/(cavity) – Pin description
* indicates Highline only function

30A

ƒIgnition Controlled Pins – Turned on by FETs depending on ignition switch status, with three types, BAT, ACC, or IGN

15

3

18

3

21

3

18

3

ƒLogic Controlled Outputs – Turned on and off by FETs depending on SAM inputs (from CAN and other input pins), interlocks and parameter settings. They
are unfused, but will turn off in the case of an over current. Not all are powered pins, some pins are turned on and off to a ground, and are noted by GND.

13

1

16

1

19

1

16

1

ƒGround Return Pins – Dedicated ground pins connected internally to the SAM GND.
ƒLogic Controlled, Relayed, Fused Outputs – Fused and controlled by a relay depending on either ignition switch status or by inputs to the SAM.
The control side of all the relays are fused through one fuse on each SAM.

Daimler Trucks North America
X13

ƒFused Passthoughs – Constant BAT power through a fuse

X12

ƒSAM Inputs – All the inputs, either CAN inputs or sensor feedback. Many of these inputs are chopped signals.
ƒSAM 6.0 Hardware – Start of production August 2, 2010.

X10

Title: SAM Pin Layout - Wall Chart
Author: SSE, Service Systems & Documentation

ƒLogic Controlled, Fused Output – Turned on and off by FETs depending on SAM inputs. Same as logic controlled outputs but fuse protected.
Daimler Trucks North America LLC, 4747 N. Channel Ave, Portland, OR, www.daimlertrucksnorthamerica.com
Copyright 2008-2011, Daimler Trucks North America LLC. All rights reserved. Daimler Trucks North America LLC is a Daimler AG company.
STI-498 (05/11)

X11

Original Date: Sept. 9, 2007
Last Update: May 4, 2011

Info

Published on : 2018-01-12 22:49:09
File Name : SAMWallChart6_0.pdf
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Publisher :dtnaecomponents.com

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