Honda 2002 Accord Manual page 1288

Multiplex Control System
Multiplex Control Unit Input Test (cont'd)
Cavity
Wire Test condition
Test: Desired result Possible cause if result is not obtained
A1
WHT/YEL Under all
conditions
Check for voltage t o g r o u n d :
There should be battery voltage.
• Blown No. 13 (7.5A) fuse in the
passenger's under-dash fuse/
relay box
• An open in the wire
A2
GRN/WHT Ignition switch ON
(ID
Check for voltage t o g r o u n d :
There should be battery voltage.
• Blown No. 15 (20A) fuse in the
passenger's under-dash fuse/
relay box
• Blown No. 54 (40A) fuse in the
underhood fuse/relay box
• A n open in the wire
A12
BLK Under all
conditions
Check for continuity go g r o u n d :
There should be continuity.
• Poor ground (G401)
• An open in the wire
A19
BLK Under all
conditions
Check for continuity t o g r o u n d :
There should be continuity.
• Poor ground (G551)
• A n open in the wire
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