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Home >> Lincoln >> 2004 >> LS V8-3.9L VIN A >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Information Bus >> Testing and Inspection >> Pinpoint Tests >> Module Controlled Functions >> Rear Electronic Module (REM) >> Test X
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Test X

PINPOINT TEST X: NO COMMUNICATION WITH THE REAR ELECTRONIC MODULE (REM)


Test X1-X2:






Test X2 Continued:






Normal Operation
The exterior lights, interior lights and active anti-theft functions are controlled by the REM. Power is supplied through central junction box (CJB) fuse 20 (10A) on circuit 29-DK31 (OG/BK), and grounded through circuit 31-DK30D (BK/OG), 31-DK30E (BK/OG), 31-DK30F (BK/OG), 31-DK30G (BK/OG) and 31-DK30H (BK/OG).

Possible Causes
- CJB fuse 20 (10A)
- circuit 29-DK31 (OG/BK) open or shorted to ground
- circuit 31-DK30D (BK/OG) open
- circuit 31-DK30E (BK/OG) open
- circuit 31-DK30F (BK/OG) open
- circuit 31-DK30G (BK/OG) open
- circuit 31-DK30H (BK/OG) open
- REM