NHTSA ID Number: 10057460
Manufacturer Communication Number: SD-13-4986
TSB/Document Date: 2015-06-01
Summary
BENDIX
ESP ES-80 CONTROLLER: INFORMATION TO ENHANCE BRAKING OF AIR-BRAKED HEAVY, MEDIUM-DUTY TRUCKS, TRACTORS & BUSES, ELECTRONIC CONTROL UNIT, WHICH ARE ONE OUT OF THREE ABS DEVICES, WHICH IS USED. *LJ
components.)
FIGURE 22 - BENDIX® WS-24™ WHEEL SPEED SENSOR INSTALLATION (S-CAM AND AIR DISC BRAKE)
Wheel Speed Sensor Wiring
Route sensor wiring coming out of the wheel ends away
from moving brake components. Sensor wiring needs to
be secured to the axle to prevent excess cable length and
wiring damage. It is required that cable ties be installed
to the sensor wire within 3 inches (76.2 mm) of the sensor
head to provide strain relief.
Bendix does not recommend using standard tie-wraps to
secure wiring harnesses directly to rubber air lines. This
may cause premature wiring failure from the pressure
exerted on the wiring when air pressure is applied through
the air line. Non-metallic hose clamps or bow-tie tie-wraps
are preferred.
Following the axle, the sensor wires must be attached
along the length of the service brake hoses using cable ties
with ultraviolet protection and secured every 6 to 8 inches
(152 to 203 mm). Sufficient – but not excessive – cable
length must be provided to permit full suspension travel and
steering axle movement. Install wires so that they cannot
touch rotating elements such as wheels, brake discs or
drive shafts. Radiation protection may be necessary in
the area of brake discs.
The use of grommets or other suitable protection is
required whenever the cable must pass through metallic
frame members.
All sensor wiring must utilize twisted pair wire, with
approximately one to two twists per inch.
It is recommended that wires be routed straight out of a
connector for a minimum of three inches before the wire
is allowed to bend.
51
TCV_DA_CMN
ESP/ATC IND.
ESP/ATC
DASH
INDICATOR
ATC
OFF-ROAD
SWITCH
(ORS)
20
TRAC
CONTROL
VALVE
(TCV)
4
10
J1587 A
J1587 B
2
2
J1939_HI
12
16
30A
GROUND
12
(OPTIONAL)
RETARDER RELAY
1
11
IND. INTERLOCK
ABS IND.
9
SLS INPUT
+12V BATTERY
17
18 15 12
ABS IND. GND
VEHICLE 6 X 4
+12V IGNITION
5A
2
IGNITION
3
18
11
WSS_DR+
3
5A
5A
5
6
10
ABS DASH
INDICATOR
STOP LAMP SWITCH
ADDITIONAL
AA
(SLS)
SA
DRIVE
DA
13
PMV_DR_REL
2 1
9
PMV_DR_CMN
DRIVE
AXLE
RIGHT
PMV
3
DRIVE AXLE
7
7
WSS
DRIVE
AXLE
LEFT
15 18
8
X1
X1
8
5A
WSS
DRIVE
AXLE
RIGHT
10 11
WSS_DR-
L
11
RETARDER
17
WSS_DL+
L
STEER
4
8
WSS_DL-
R
5A
10
J1939_LO
7
PMV_DR_HLD
R
13 14
5A
52
9
5
18
TCV_DA
6
5
6
PMV_DL_CMN
PMV_DL_HLD
DRIVE
AXLE
LEFT
PMV
3
17
PMV_DL_REL
2 1
16 12
6
7
PMV_SR_REL
2 1
6
PMV_SR_CMN
STOP LAMP
STEER
AXLE
RIGHT
PMV
3
PMV_SR_HLD
4
2
2 1
STEER
AXLE
LEFT
PMV
3
PMV_SL_CMN
3
PMV_SL_REL
5
WSS_SR+
7
11
DIFF
LOCK
SOL
7
8
WSS
ADD
AXLE
LEFT
7
6
PMV_AR_HLD
13
2 1
9
PMV_AR_CMN
ADD
AXLE
RIGHT
PMV
3
10
PMV_AR_REL
5
STOP LAMP SWITCH INPUT REQUIRED FOR ATC AND ALL-WHEEL DRIVE VEHICLES.
MAY BE PROVIDED VIA HARDWARE INPUT OR J1939 COMMUNICATION.
CAN SENSOR WIRING - 18 AWG (FOUR CONDUCTOR TWISTED WIRE REQUIRED).
MOMENTARY SWITCH.
18
19
20
ADDITIONAL AXLE WSS AND PMV INSTALLED PER EC-80 CONFIGURATION (6S/4M, 6S/6M).
THIS SYSTEM WIRING CONNECTION SCHEMATIC IS FOR AN EC-80 ECU DESIGNED AS A SERVICE REPLACEMENT FOR EC-60 ADVANCED.
STEER
AXLE
WHEN X1 IS DISCONNECTED FROM ECU, THE INTERLOCK SHORTS THE INDICATOR CIRCUIT TO GROUND, ILLUMINATING THE
ABS INDICATOR.
21
3
TCV_SA_CMN
TRACTION
CONTROL
VALVE
17
PRODUCT SPECIFICATION: Y119679
15.
8-968972-1
5
5
TCV_SA
16.
ALL WHEEL DRIVE VEHICLES ONLY. REQUIRES STOP LAMP INPUT (SEE NOTE 18 ).
12 POLE
X4
ALL WIRE IS CONDUCTOR CROSS-SECTION OF 16 AWG, UNLESS OTHERWISE NOTED.
15 POLE
13
8-968974-1
18 POLE
X3
8-968973-1
1718091-1
17 POLE
X2
7
X1
21
ADD
AXLE
LEFT
PMV
3
2 1
6
PMV_AL_CMN
AMP
CONNECTOR
PART NUMBER
6
PMV_AL_HLD
4
PMV_AL_REL
NUMBER OF
CONTACTS
ADDITIONAL AXLE
WSS
ADD
AXLE
RIGHT
WSS_AL-
11 14
WSS_AL+
14.
DOTTED LINES: SPECIAL FUNCTION (OPTIONS).
BATTERY AND GROUND - 12 AWG
12
SERIAL COMMUNICATIONS - 18 AWG (TWISTED PAIR REQUIRED).
11
TRACTION CONTROL VALVE (TCV).
WHEEL SPEED SENSOR (WSS): BENDIX WS-24
WSS WIRING - 18 AWG (TWISTED PAIR REQUIRED).
7
8
9
PRESSURE MODULATOR VALVE (PMV): BENDIX M-32, M-32QR, M-40X
PMV CONNECTOR TWIST-LOCK PACKARD
COMMON (CMN)
PIN 2
PIN B
HOLD (HLD)
PIN 3
PIN C
RELEASE (REL)
PIN 1
PIN A
6
10
8
WSS_AR+
12 15
WSS_AR-
REF. NO.
5
ATC ENGINE CONTROL PER SAE J1939.
ABS
OFF-ROAD
SWITCH
(ORS)
20
13
2
DIAGNOSTIC BLINK CODE SWITCH (MOMENTARY SWITCH).
11
8
4
1
DIAGNOSTICS PER SAE J1587 OR J1939.
STOP LAMP
RELAY
WSS
STEER
AXLE
LEFT
X2
X2
3
7
WSS_SL8
ABS ORS
RETARDER CONTROL VIA RELAY OR SAE J1939.
WSS
STEER
AXLE
RIGHT
8
WSS_SL+
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TSB/Document ID: SD-13-4986
Replacement Service Bulletin Number:
MFR Communication Date: 2015-01-01
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
MFR Component System:
MFR Component Subsystem:
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