Honda 2004 Odyssey, Service Manual

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ABS/TCS Control Unit Inputs and Outputs for Connector A (26P)
Terminal
number Terminal
Wire color Terminal sign
(Terminal name)
Description Measurement
Conditions
(Ignition switch ON (II))
Voltage
19-89
System Description
ABS/TCS CONTROL UNIT CONNECTOR A (26P)
1 BLK GND1
(Ground 1)
Ground 1 GND Below 0.3 V
2 YEL/GRN NCL
(Normally closed left)
Drives left TCS normally
closed solenoid valve 2 GND TCS indicator OFF Battery
Voltage
3 RED/GRN NOL
(Normally open left)
Drives left TCS normally
open solenoid valve 3 GND ON
(Disconnect
16P connector
to turn
indicator on)
Below 0.3 V
4 BLU/WHT ABS Drives ABS indicator
(Turns the indicator drive
transistor to ON, then
turns off the indicator) 4 GND ABS indicator ON 4 6 V
OFF Below 0.3 V
6 BRN SCS (Service check
signal)
Detects service check
connector signal (Use for
DTC indication) 6 GND SCS circuit Shorted Below 0.3 V
Opened About 5 V
8 BRN FLW ( )
(Front-left wheel
negative)
Detects left-front wheel
sensor signal 8 9 Wheel Turn wheel at
1 turn/second AC:
0. 053 V or
above
(Reference)
0.15 Vp-p or
above
9 GRN/BLU FLW ( )
(Front-left wheel
positive)
10 GRN FRW ( )
(Front-right wheel
negative)
Detects right-front wheel
sensor signal 10 11
11 GRN/BLK FRW ( )
(Front-right wheel
positive)
Stopped 0.25 V
1.15 V
12 WHT/BLK STOP Detects brake switch
signal 12 GND Brake pedal Pressed Battery
Voltage
Released Below 0.3 V
13 YEL/BLK IG2
(Ignition 2)
Power source for
activating the system 13 GND Ignition switch ON (II) Battery
Voltage
Start (III) Below 0.3 V
(cont’d)
Oscilloscope:
Wire side of female terminals
03/07/29 09:56:05 61S0X050_190_0089