User's Manual

33
Ref. Description
HLD
B
CMNB
CMNA
HLDA
GNDECU
VECU
VBL
Ref. Description
GND
DIA
VDIA
SSA-
SSA+
SSB-
SSB+
RELB
1587-
NC
1587+
REL
A
SSD+
WLT+
SSD-
NCC
SSC+
SSC-
Pin#
1
2
3
4
5
6
7
8
9
10
11
12
Pin#
1
2
3
4
5
6
7
8
9
10
11
12
Valve B, Hold Solenoid
Valve B, Common
Valve A, Common
Valve A, Hold Solenoid
ECU Ground
ECU Continuous Power (with Ignition ON)
Brake Light Power (Secondary Power Source)
No Connection
Warning Light Power,Trailer Mounted
Valve A, Release Solenoid
No Connection
Valve B, Release Solenoid
Diagnostic Port Ground
Diagnostic Port Power (12V)
Speed SensorA, Negative
Speed SensorA, Positive
Speed Sensor B, Negative
Speed Sensor B, Positive
Speed Sensor C, Negative
Speed Sensor C, Positive
Speed Sensor D, Negative
Speed Sensor D, Positive
Diagnostic Link, Positive
Diagnostic Link, Negative
X1-CODINGA
(GREY)
X2-CODING B
(BLACK)
CMNCMN
B
HLD
123456
12
1110987
B
A
HLD
A
GND
ECU
V
ECU
WLREL
T-
REL
B
A
WL
T+
DIAGV
BL
V
DIA
2
11
1587
+
GND
1
12
DIA
1587
-
SS
3
10
A-
SS
D+
4
9
SS
A+
SS
D-
5
8
SS
B-
SS
C+
6
7
SS
B+
SS
C-
Top–Looking into Harness Connector
STANDARD SYSTEM
ECU
Connector
Cable
Guides
Alignment
Tabs
ECU Cover
Alignment
Tabs
Cover Lock
Ref. DescriptionRef. Description
SS
A+
SSA-
CMNA
HLDA
GNDECU
VECU
Pin#Pin#
1
2
3
4
5
6
Speed SensorA, Positive
Speed SensorA, Negative
ValveA, Common
ValveA, Hold Solenoid
ECU Ground
ECU Continuous Power (with Ignition ON)
REL
A
SSB-
SSB+
DIAGC
WLT+
VBL
7
8
9
10
11
12
Brake Light Power (Secondary Power Source)
Warning Light Power,Trailer Mounted
Diagnostic Plug
ValveA, Release Solenoid
Speed Sensor B, Negative
Speed Sensor B, Positive
X1-CODING C
(GREEN)
SS
A-
2
11
SS
B-
SS
1
12
A+
SS
B+
CMN
3
10
A
REL
A
4
9
HLD
A
DIAG
5
8
GND
ECU
WL
T+
6
7
V
ECU
V
BL
Top–Looking into Harness Connector
BASIC SYSTEM
Cable
Guides
ECU
Connector
ECU Cover
Cover Lock
FIGURE 39 - ECU Pin Identification Chart