User's Manual
52
FIGURE 23 - STANDARD WIRING SCHEMATIC FOR ECUs LISTED ABOVE
Troubleshooting: Wiring Schematic A
11
2
9
11
19 CAN SENSOR WIRING - 18 AWG (FOUR CONDUCTOR TWISTED WIRE REQUIRED).
1. RETARDER CONTROL VIA RELAY OR SAE J1939.
2 DIAGNOSTICS PER SAE J1587 OR J1939.
3 DIAGNOSTIC BLINK CODE SWITCH (MOMENTARY SWITCH).
4 ATC ENGINE CONTROL PER SAE J1939.
5A
5A
5 PRESSURE MODULATOR VALVE (PMV): BENDIX M-32, M-32QR, M-40X
7 WHEEL SPEED SENSOR (WSS): BENDIX WS-24
9 TRACTION CONTROL VALV E (TCV).
10 SERIAL COMMUNICATIONS - 18 AW G (TWISTED PA IR REQUIRED).
NOTES
AA
8
19
J1587 B
J1587 A
J1939_LO
J1939_HI
BATTERY
RETARDER
GROUND
ADDITIONAL AXLE
21
11
16. THIS SYSTEM WIRING CONNECTION SCHEMATIC IS FOR AN EC-80 ECU DESIGNED AS A SERVICE REPLACEMENT FOR EC-60 ADVANCED.
17 POLE
18 POLE
15 POLE
WSS
DRIVE
AXLE
RIGHT
WSS
DRIVE
AXLE
LEFT
WSS
STEER
AXLE
RIGHT
IGNITION
TRAILER ABS IND.
ABS IND.
SLS INPUT
WSS_DR+
WSS_DR-
WSS_DL+
WSS_DL-
13
14
7
8
16
17
1
3
2
18
9
10
11
15 18
30A
WSS
STEER
AXLE
LEFT
DIFF
LOCK
SOL
PMV_DR_HLD
PMV_DR_REL
PMV_DR_CMN
PMV_DL_HLD
PMV_DL_REL
PMV_DL_CMN
PMV_SR_HLD
PMV_SR_REL
PMV_SR_CMN
PMV_SL_HLD
PMV_SL_REL
PMV_SL_CMN
9
TRACTION
CONTROL
VALV E
ABS ORS
WSS_SR+
WSS_SR-
WSS_SL+
WSS_SL-
10 13
9
16
17
12
476
12
3
1
11
14
5
8
WSS_AR+
WSS_AR-
WSS_AL+
WSS_AL-
5A
DIFF
PMV_AR_HLD
PMV_AR_REL
PMV_AR_CMN
ST
OP LAMP OUTPUT
TCV_SA_CMN
TCV_SA
12
15
11 14
2
3
5
8
10
13
9
WSS
ADD
AXLE
RIGHT
WSS
ADD
AXLE
LEFT
6
17 WHEN X1 IS DISCONNECTED FROM ECU, THE INTERLOCK SHORTS THE INDICATOR CIRCUIT TO GROUND, ILLUMINATING THE
ABS INDICATOR.
STOP LAMP
TRAILER ABS
DASH INDICATOR
6 PMV CONNECTOR TWIST-LOCK PACKARD
COMMON (CMN) PIN 2 PIN B
HOLD (HLD) PIN 3 PIN C
RELEASE (REL) PIN 1 PIN A
8 WSS WIRING - 18 AWG (TWISTED PA IR REQUIRED).
5A
18
20
20 MOMENTARY SWITCH.
18 STOP LAMP SWITCH INPUT REQUIRED FOR ATC AND ALL-WHEEL DRIVE VEHICLES.
MAY BE PROVIDED VIA HARDWARE INPUT OR J1939 COMMUNICATION.
20
21 ADDITIONAL AXLE WSS AND PMV INSTALLED PER EC-80 CONFIGURATION (6S/4M, 6S/6M).
ESP/ATC
DASH
INDICATOR
ABS DASH
INDICATOR
12
STOP LAMP
RELAY
18
6 6 6
5 5 5
7 7
77
7
15
IND. INTERLOCK
7
4
5A
11
X2
X2
5A
(OPTIONAL)
RETARDER RELAY
X3
X3
8
1010
88 8 8
X1
X1
11 DOTTED LINES: SPECIAL FUNCTION (OPTIONS).
X1
X2
X3
15. PRODUCT SPECIFICAT ION: Y119679
14. ALL WIRE IS CONDUCTOR CROSS-SECTION OF 16 AWG, UNLESS OTHERWISE NOTED.
3
21
3
21
3
21
3
21
6
5
11
5
DRIVE
AXLE
RIGHT
PMV
DRIVE
AXLE
LEFT
PMV
STEER
AXLE
LEFT
PMV
STEER
AXLE
RIGHT
PMV
3
21
ADD
AXLE
RIGHT
PMV
12 BATTERY AND GROUND - 12 AWG
3
+12V IGNITION
2
8-968974-1
8-968973-1
DRIVE AXLE
STEER AXLE
17
12
13 ALL WHEEL DRIVE VEHICLES ONLY. REQUIRES STOP LAMP INPUT (SEE NOTE 18 ).
13
1718091-1
AMP
CONNECTOR
PART NUMBER
REF. NO.
NUMBER OF
CONTACTS
WIRE HARNESS CONNECTORS
10
8
7
11
3
1
2
4
5
ABS IND. GND
TRAC
CONTROL
VALV E
(TCV)
TCV_DA
TCV_DA_CMN
54
+12V BATTERY
ADDITIONAL
R
L
VEHICLE 6 X 4
R
L
STEER
SA
DRIVE
DA
ATC
OFF-ROAD
SWITCH
(ORS)
ESP/ATC IND.
6
X4
X4
12
STEER
AXLE
PS_CMN
PS_SIG 1
PS_SIG 3
PS_SPL
PS_SIG 2
CAN_SEN_LO
CAN_SEN_HI
CAN_SEN_CMN
CAN_SEN_SPL
PMV_AL_HLD
PMV_AL_REL
PMV_AL_CMN
4
7
6
6
3
2 1
5
PRESSURE
SENSOR 1
(PRIMARY
DELIVERY)
PRESSURE
SENSOR 3
(SUSPENSION)
PRESSURE
SENSOR 2
(SECONDARY
DELIVERY)
STEERING
ANGLE
SENSOR
YAW
RATE
SENSOR
6
X4 12 POLE
8-968972-1
PMV_TR_HLD
PMV_TR_REL
PMV_TR_CMN
6
12
9
3
21
PMV
TRAILER
ADD
AXLE
LEFT
PMV
STOP LAMP SWITCH
(SLS)
ABS
OFF-ROAD
SWITCH
(ORS)
5
Use this page for the following
Electronic Control Unit (ECU) part
numbers:
K098920R000
K098921R000
K103428R000
K103429R000
K105094R000
K105095R000
K105096R000
K105097R000
See next page for the alternate wiring
schematic for one other part number.