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Page Title:
Figure H7. Anti-Lock Brake Response (Optional) |
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 WTEC III ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL
APPENDIX H -- INPUT/OUTPUT FUNCTIONS
These schematics show the intended use of the specified controls features which
have been validated in the configuration shown. Any miswiring or use of these
features which differs from that shown could result in damage to equipment or
WARNING!
property, personal injury, or loss of life. ALLISON TRANSMISSION IS NOT
LIABLE FOR THE CONSEQUENCES ASSOCIATED WITH MISWIRING
OR UNINTENDED USE OF THESE FEATURES.
Y. ANTI-LOCK BRAKE RESPONSE (OPTIONAL)
USES: Provides for enhanced control of lockup and retarder during hard braking conditions. Can be used
separately or in conjunction with ABS.
VARIABLES TO SPECIFY: None
VOCATIONS: Various
NO ABS
ABS INPUT ()
ABS INPUT (+)
OPTIONAL
CUSTOMER-FURNISHED
WIRE 161
WIRE 161
WIRE 161
BRAKE
BRAKE
VIW CONNECTOR(S) SIGNAL RETURN
PRESSURE
PRESSURE
SWITCH
SWITCH
V V-31
BRAKE
OR
OR
PRESSURE
NC
NC
SWITCH
V-27
WIRE 154
WIRE 154
COM
COM
WIRE 154
NO
NO
ABS RESPONSE
ECU
SWITCHED
POWER
Customer-furnished
Customer-furnished
relay shown
relay shown
de-energized
de-energized
S
This configuration is to used
This configuration is to used
if the ABS system provides a
if the ABS system provides a
power () signal when active.
power (+) signal when active.
NOTE: Brake Pressure Switch is closed when brakes are applied.
Switch pressure setting to be established by customer evaluation (typically 3035 psi).
Anti-Lock Brake Controls
V04878
Figure H7. Anti-Lock Brake Response (Optional)
0021 00180
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