Honda 2004 Odyssey Service Manual page 2053

Navigation System
Symptom Troubleshooting (cont'd)
13. Check for continuity between the RED test harness
clip and body ground.
Is there continuity?
YES Go to step 14.
NO Repair open in the BLK wire between the VSP
and G101.
14. Connect the WHT test harness clip (A) to the
positive probe of a voltmeter, and connect the RED
test harness clip (B) to the negative probe.
07LAJ-PT3020A
15. Turn the ignition switch ON (II).
Is there battery voltage?
YES Go to step 16.
NO Repair open in the BLK/YEL wire between the
VSP and the driver's under-dash fuse/relay box.
16. Turn the ignition switch OFF.
17. Disconnect the navigation unit connector C (8P)
from the navigation unit.
18. Disconnect the WHT and RED test harness clips.
19. Connect the GRN test harness clip (A) to the
positive probe of the ohmmeter.
22-374
B
A
20. Check for continuity between the GRN test harness
clip and body ground.
07LAJ-PT3020A
Is there continuity?
YES Repair short in the BLU/WHT wire between
the VSP and the navigation unit.
NO Go to step 21.
21. Reconnect the navigation unit connector C (8P).
22. Turn the ignition switch ON (II).
23. Connect the GRN test harness clip (A) to the
positive probe of a voltmeter, and connect the RED
test harness clip (B) to negative probe.
07LAJ-PT3020A
Is there 5 V ?
YES Replace the VSP.
NO Repair open in the BLU/WHT wire between
the VSP and the navigation unit.
A
A
B