Navigation System Symptom Troubleshooting - Interface dial buttons do not work
Check for continuity between navigation unit connector B (32P) terminal No. 23 and interface dial 5P connector terminal No. 1.
Is there continuity?
YES
-
Go to
Step 8
.
NO
-
There is an open in the circuit between the interface dial and the navigation unit. Replace the affected shielded harness.■