Allison B 400 - Solenoid and Clutch Chart

Copyright © 1998 General Motors Corp. C–1
WTEC II ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL
APPENDIX C — SOLENOID AND CLUTCH CHART
BASIC CONFIGURATION
NOTE: See Page C–2 for legend.
7-SPEED (T-CASE) CONFIGURATION
NOTE: See Page C–2 for legend.
Range Solenoid
Non-Latching Modulating
Clutches
A
N/O
B
N/O
C
N/C
D
N/C
E
N/C
F
N/C
G
N/C
C1 C2 C3 C4 C5 LU
6X X 0 X X 0
5XX0XXX0
4 0XXX 0
3XX0XXX0
2XX0XX X0
1X X0X X0
N1 XX *X0 X0
N2 X X X X
N3 XXX X
N4 X X X X
R XXX X X X
Range Solenoid Non-Latching Modulating Clutches
N/O
N/O N/C N/C N/C N/C N/C N/C N/C N/C
C1 C2 C3 C4 C5 LU FWD LOW C6 DIF
ABCDEF G N JHC1C2C3C4C5LUC6DIF
6X X 0 0 X X 0 0
5X X 0X 0 XX 0 0
40X0XX00
3XX 0X 0X X 0 0
2XX0X 0X X 0 0
1X X0 0X X0 0
LO X 0 X X X 0 X 0 X 0
N1 X X * X 0 X 0
N2 X X X X 0 X 0
N3 XXX X 0 X 0
N4 X X X X 0 X 0
R XXX X 0 X X 0