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)
13.
Step 2.
Test diode TB3-CR8 (malfunction 82).
a. Replace diode if defective (paragraph 4-33.b), and perform
operational check.
b.
If diode is good, continue with next step.
Step 3.
Check that battery is disconnected. Lower control panel (paragraph
harness connector P5 from control panel connector J5, and disconnect
harness connector P4 from ECU connector J1 (see FO-3 sheet 2).
Check for continuity between the points listed below:
Check continuity
If no continuity,
From
To
replace wire no.
DS10(-)
E12B20
J5-7L
P5-7R
TB3-2 (ANODE)
E12C20
TB3-2 (ANODE) TB3-6 (ANODE)
E12E20
P4-L
TB3-6 (CATHODE)
E12D20
a. If no continuity, replace indicated wire. Reconnect all
connectors, and perform operational check.
b.
If all continuity checks good, do next step.
Step 4.
Disconnect engine harness connector P2 from ECU connector J2, and
disconnect engine harness P8 from low oil pressure switch. Check
wires K0A20 (P2-F to P8-A) and K9A20N (P2-B to P8-B) for continuity.
a. If either wire is open, replace wire.
b.
If wiring is good, replace ECU (paragraph 4-31).
C.
Reconnect all connectors, and perform operational check.
GTE LOW FUEL PRESS INDICATOR NOT LIT - MASTER SWITCH ON AND ENGINE NOT RUNNING.
14.
Set MASTER SWITCH to OFF and disconnect battery. Lower control panel
harness connector P5 from control panel connector J5. Check for continuity
between the following points (see FO-4).
