Copyright © 1998 General Motors Corp. P–37
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.
LOCKUP INDICATOR
USES: Turn on dash indicator when transmission lockup clutch is engaged. Used to indicate when maximum
engine braking is available.
VARIABLES TO SPECIFY: None
VOCATIONS: Various
Figure P–36. Lockup Indicator
E2
NC
COM
VIM
Relay shown de-energized
SWITCHED
POWER
NO
E3
V05040
TRANSMISSION
LOCKUP
Contacts close when torque converter lockup
clutch is applied in the transmission.
WIRE 132 LOCKUP INDICATOR
ECU
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