4-36 Phaser 4500 Service Manual
4
Check the LVPS Harness Assembly:
1. Disconnect P/J10 from the HVPS/
Engine Logic Board.
2. Disconnect P/J42 from the LVPS.
3. Test each cable between P/J10 <=>
P/J42 for continuity.
Are all continuous?
Go to “LVPS (Low
Voltage Power
Supply)” on
page 4-4.
Replace the
LVPS Harness
Assembly.
5
Check the ANT Harness Assembly:
1. Disconnect P/J15 from the HVPS/
Engine Logic Board.
2. Test each cable between J15 <=> J150
for continuity.
Are all continuous?
Replace the
HVPS/Engine
Logic Board
(page 8-89).
Replace the ANT
Harness
Assembly.
Troubleshooting Procedure (Continued)
Steps Actions and Questions Yes No
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