Allison B 400 - Code 13 XX - ECU Input Voltage

Copyright © 1998 General Motors Corp. 6–19
WTEC II ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL
Figure 6–2. Code 13 Schematic Drawing
BATTERY
GROUND
143 A BLACK
143 C BLACK
136 A RED
136 C RED
146 A YELLOW
DIAGNOSTIC
TOOL
CONNECTOR
RSI
CONNECTOR
A 1 L 1
–+
12V OR 24V
BATTERY
BATTERY
POWER
IGNITION
ECU
A 2 L 2
E 2 R 2
VIM
B 9
B 18
B 2
B 11
K 1
K 2
J 1
J 2
H
A
C
E
1
7
E 1 R 1
F1 S1B 12 C1
ALT DDR
CONNECTOR
7
1
A
H
J 2
K 2
E 2
E 1
A 1
A 2
J 1
K 1
VIM
ECU
FROM
BATTERY
TO
ECU
DDR
CONNECTOR
ALT DDR
CONNECTOR
RSI
CONNECTOR
V01599
B
B 9
B 2
B 11
B 18
B
(BLACK)
NOTE: Shaded area for transmissions built before September 1993
CODE 13 XX — ECU INPUT VOLTAGE