6–74 Copyright © 1998 General Motors Corp.
WTEC II ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL
Figure 6–28. Code 43 Schematic Drawing (Units Produced 9/94–12/97)
B
A
V01611
ECU
A
A 9
A 1
A 18
A 27
A
(BLACK/WHITE)
NOTE: These wires may pass through a bulkhead connector.
*Only present on MD 3070 models.
SEE NOTE
SEE NOTE
SEE NOTE
SEE NOTE
SEE NOTE
SEE NOTE
E
107 GREEN
A 7
F SOL HI
A
B
C
E
B
D
A
K
43 25
G
A
B
A
B
A
B
A
B
A 3
A 30
A 4
G
120 WHITE
TRANSMISSION
A 20
A
102 ORANGE
A 2
e
111 GREEN
A 11
J
128 ORANGE
A 28
H
121 VIOLET
A 21
K
129 VIOLET
A 29
B
103 GREEN
L
130 YELLOW
C
104 WHITE
F
110 WHITE
A 10
A
134 YELLOW
A 34
B
109 BLUE
A 9
A SOL
SOLENOID
GROUND 1
D SOL
J SOL
B SOL
SOLENOID
GROUND 2
E SOL
C SOL
SOLENOID
GROUND 3
G SOL
F SOL LO
K SOL HI
K SOL LO
A
B
M
131 BLUE
A 31
A
B
A
B
F
43 21
g
116 YELLOW
A 16
N SOL HI
f
101 BLUE
A 1
N SOL LO
A
B
*N
43 26
RTDR
ECU
A
B
H
A
127 WHITE
A 27
B
122 VIOLET
A 22
H SOL HI
SOLENOID
GROUND 4
ACCUMULATOR OR T-CASE
*J
CODE 43 XX — SOLENOID LOW SIDE CIRCUIT, OPEN DRIVER,
OR WIRE SHORTED-TO-GROUND
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