Copyright © 1998 General Motors Corp. P–19
WTEC II ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL
APPENDIX P — INPUT/OUTPUT FUNCTIONS
WARNING!
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
property, personal injury, or loss of life. ALLISON TRANSMISSION IS NOT
LIABLE FOR THE CONSEQUENCES ASSOCIATED WITH MISWIRING
OR UNINTENDED USE OF THESE FEATURES.
REVERSE ENABLE
USES: Provides for a separate instrument panel-mounted switch which must be pressed simultaneously with the
REVERSE button to achieve Reverse. MODE button may also be used.
VARIABLES TO SPECIFY: None
VOCATIONS: European transit buses and tour buses
Figure P–19. Reverse Enable
WARNING!
If this function is enabled in the shift calibration, the function MUST be
integrated into the vehicle wiring. If the function is available in the shift
calibration but will not be used in the vehicle, it MUST be disabled in the
calibration.
MOMENTARY
SWITCH
V05024
WIRE 161B
SIGNAL GROUND
WIRE 117
REVERSE ENABLE
16
13
ECU
VIW
CONNECTOR
WARNING!
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 cause unintended selection of range
or other unpredictable operation resulting in damage to equipment or property,
personal injury, or loss of life. ALLISON TRANSMISSION IS NOT LIABLE
FOR THE CONSEQUENCES ASSOCIATED WITH MISWIRING OR
UNINTENDED USE OF THESE FEATURES.