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CM850 WIRING DIAGRAM EURO IV OEM - CONCEPT BUILD ECM PN# 3965159 PROD ECM (ID-15)
OEM J2
.
SW OUTPUTS TEMP SPARE SPARE >A> > B >
J1587 DATALINK
>A> > B > > C > DEUTSCH DT04-3P
A> > B > > C > DEUTSCH DT06-3S
A> > B >
MAGNETIC PICKUP SENSOR
>A> B > < B < > C > < C
A> B > < B < > C > < C
A> DIGITAL INPUT SENSOR SIGNAL
> C > > B >
AAD_IN_6 AAD_IN_7 STANDARD_SWA_1
10
SAE J1708(+)
J1587 DATALINK (+) J1587 DATALINK (-) J1939 DATALINK (+)
SCHEMATIC NAMES
19 31 8
20
SAE J1708(-)
46
SAE J1939(+)
47
SAE J1939(-)
37
VEHICLE SPEED SIGNAL (+) VEHICLE SPEED SIGNAL (-)
SAE J1939(SHIELD)
27
VR2 (+)
36
VR2 (-)
27
VR2 (+)
36
VR2 (-)
30
HALL002
28
AAD_IN_4
26
RAD_IN_11
3
STANDARD_SW_12
4
STANDARD_SW_11
6
STANDARD_SWA_4
22
VSEN2
9
RAD_IN_0
23
RET2
11
BSWITCH_0
1
BSWITCH_1
22
VSEN2
9
RAD_IN_0
23
RET2
21
VSEN3* (OEM)
35
RAD_IN_12
32
RET3* (OEM)
12
STANDARD_SWA_15
15
STANDARD_SWA_8
5
STANDARD_SWA_9
24
STANDARD_SWA_7
25
STANDARD_SWA_6
16
STANDARD_SWA_5
17
STANDARD_SWA_3
VEHICLE SPEED SUPPLY VEHICLE SPEED SIGNAL VEHICLE SPEED RETURN
DEUTSCH DEUTSCH DT06-3S DT04-3P TACHOGRAPH >A> > B >
TACHOGRAPH
>A> > B >
COOLANT LEVEL SENSOR
TACHOGRAPH RETURN COOLANT LEVEL INPUT COOLANT LEVEL RETURN REMOTE ACCEL SUPPLY
>A> REMOTE ACCEL POSITION SENSOR
> C > > B >
REMOTE ACCEL SWITCH (N.O.)
>A> > B >
REMOTE PTO SWITCH (N.O.)
>A> > B >
REMOTE ACCEL SIGNAL REMOTE ACCEL RETURN REMOTE ACCEL ON/OFF REMOTE ACCEL RETURN REMOTE PTO ON/OFF REMOTE PTO RETURN OPEN = FAN ON / HI PRESSURE
AC PRESSURE SWITCH
>A> > B >
N.C.
ACCEL POSITION 1 SUPPLY ACCELPOSITION1SIGNAL ACCELPOSITION1RETURN
PEDAL OPTION 1 VALIDATION SWITCHES
CLOSED = ON IDLE
ONIDLESWITCH
CLOSED = OFF IDLE
OFF IDLE SWITCH
ACCEL POSITION 1 SUPPLY ACCELPOSITION1SIGNAL ACCELPOSITION1RETURN PEDAL OPTION 2 DUAL POTENTIOMETERS
ACCEL POSITION 2 SUPPLY ACCELPOSITION2SIGNAL ACCELPOSITION2RETURN
APPLICATION SPEED LIMITER
>A> > B > CLOSED = NOT PRESSED
CLUTCH / ENG PROT S.D. SWITCH
CLOSED=NOT PRESSED
SERVICE BRAKE SWITCH
>A> > B > >A> > B > SET/RESUME (RESUME) SWITCH
> C >
SET/RESUME (SET) SWITCH > B > >A> >A> > B >
N.C.
>A> > B >
N.O.
>A> > B >
CC / PTO ON/OFF SWITCH
OPEN = FAN ON
MANUAL FAN SWITCH
CLOSED = IDLE SPEED ONLY
ACCEL INTLK / TORQUE LIMIT SW
BULKHEAD CONNECTOR
N.O.
CLOSED = SELECTED
CLOSED = BRAKE ON >A> N.O.
CLOSED = SELECTED >A> > B >
N.O.
CLOSED = FEATURE ENGAGED N.O.
>A> > B >
N.O.
>A> > B >
CLOSED = HIGH RANGE
ENGINE BRAKE SELECTOR 1 SW
DIAGNOSTIC
13
STANDARD_SWA_13
18
STANDARD_SWA_0
2
STANDARD_SWA_14
MAX ENGINE SPEED/GOV TYPE SW
REAR AXLE RATIO SWITCH
TACHOMETER OUTPUT >A> > B >
EURO IV B CM850 VIEW LOOKING AT ECM
COLD SIDE: OEM GROUND HOLE #2008 M8 STUD ECM STRAP HOLE #TBD HOT SIDE: OEM GROUND HOLES #5025 M8 STUD
YELLOW DIAG LAMP
STANDARD_SWA_2
7
STANDARD_SWA_10
41
TACH_OUT
34
SWITCH RETURN
43
SINK_0
44
SINK_1
45
SINK_2
SERV LAMP 1
STOP LAMP
SERV LAMP 2
MIL
>A> > B >
KEY - 05
60
>A> > B >
14
WAIT-TO-START LAMP
WAIT-TO-START LAMP
50
SINK_3
1
J1
RED
>A> > B >
1
J2
KEY - 04
50
SWITCH RETURN >A> > B >
(SEE NOTE 2)
J3
KEY SWITCH SIGNAL
FAN CLUTCH OUTPUT >A> > B >
FAN CLUTCH SOLENOID
J1
PWM_OUT_1 (2A PWM)
29
RET10
VARIABLE SPEED FAN CLUTCH CONTROLLER
>A>
(SEE BELOW)
>A> > B >
STARTER LOCKOUT / SW OUTPUTS ACTUATOR 1
>A> > B >
> C > > B >
38
PWM_OUT_1 (2A PWM)
29
RET10
40
FAN CLUTCH SIGNAL FAN CLUTCH RETURN
1 50 60 KEY - 04 KEY - 05
COLD SIDE: OEM GROUND HOLE #0326 M8 STUD ECM STRAP HOLE #0330 HOT SIDE: OEM GROUND HOLES #0440-0442 M8 STUD
INTAKE AIR HEATER OUTPUT
5A
TRANS SHIFT MOD ACTUATOR / SW OUTPUTS ACTUATOR 2
IGN BOOTKEYS: Pin OEM-1 OEM-2 OEM-5 OEM-11 OEM-25
38
FAN CLUTCH OUTPUT RETURN
FAN CLUTCH POWER
J2
1
KEY SWITCH
TO BATTERY
EURO IV L CM850 VIEW LOOKING AT ECM J3
39
INTAKE AIR HEATERRETURN SLO / SW OUT 1 OUTPUT
TSM / SW OUT 2 RETURN
Function Off Idle Diagnostic Service Brake On Idle Cruise Set
BATT
PWM_OUT_5 (2A ON/OFF)
48
PWM_OUT_8 (2A PWM)
33
RET11
DEUTSCH DRC26-50S-04
START State ground ground open ground ground
PWM_OUT_4 (2A ON/OFF) RET12
SLO / SW OUT 1 RETURN TSM / SW 0UT 2 OUTPUT
>A> > B >
42 49
ACCY EXHAUST BRAKE OUTPUT ISB02 EXHAUST BRAKE
> B > > A >
PACKARDWP SHROUD 12010793 TINPLATED (SEE NOTE 4) > B > > A >
EXHAUST BRAKE RETURN
REFERENCE ECM SCHEMATIC PV ECM - MOTOROLA 63D40837X - 10/05/2001
PWM_OUT_2 (2A ON/OFF)
< B < < A
B > > A >
PACKARDWP SHROUD 12010793 TINPLATED (SEE NOTE 4) > B > > A >
EXHAUST BRAKE RETURN
PWM_OUT_2 (2A ON/OFF)
< B < < A
B > > A >
5) INTAKE AIR HEATER RELAYS ARE POWERED INTERNAL TO THE ECM FROM THE KEYSWITCH INPUT. SHORTS IN RELAY WIRING MAY BLOW THE KEYSWITCH FUSE. BANK 2
> A >
T2
> B >
7) ALL UNDERHOOD WIRING SHALL BE 18 AWG GXL OR TXL WIRING UNLESS OTHERWISE NOTED.
< A < < B