TM 55-1730-229-12
AG 320A0-OMM-000
TO 35C2-3-473-1
TM 1730-12/1
Table 4-2.
Organizational Troubleshooting (continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
(continued)
29.
Step 4.
Check that battery is disconnected, and lower control panel
diodes (TB3-CR3 through CR7) and indicator lamps, and between diodes
and P4 as follows:
If no continuity,
Check continuity
replace wire no.
From
To
E13C20
TB3 -3 ANODE
P5-8L
E12C20
TB3 -2 ANODE
P5-7R
E12E20
TB3 -2 ANODE
TB3 -6 ANODE
E11C20
TB3 -1 ANODE
P5-6R
E14C20
TB3 -4 ANODE
P5-9L
E15C20
TB3 -5 ANODE
P5-9R
E13A20
P4-H
TB3 -3 CATHODE
E12A20
TB3 -2 CATHODE
P4-D
E12D20
TB3 -6 CATHODE
P4-L
E11A20
TB3 -1 CATHODE
P4-G
E14A20
P4-F
TB3 -4 CATHODE
E15A20
P4-E
TB3 -5 CATHODE
E13B20
J5-8R
1DS9 (-)
E12B20
1DS1O (-)
J5-7L
E11B20
J5-6L
1DS12 (-)
E14820
1DS4 (-)
J5-9R
E15B20
J5-9L
1DS3 (-)
a. Replace any open wires, and perform operational check.
b.
If all wiring is good, continue with next step.
Test fuel shutdown solenoid (see malfunction 98).
Step 5.
a. Replace fuel shutdown solenoid if defective (paragraph 4-70).
If fuel shutdown solenoid is good, replace ECU (paragraph
b.
c. Perform operational check.
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