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Voice guidance cannot be heard Diagnostic Test: Navigation System Link NOTE: loose terminals. • Before troubleshooting, write down the customer's radio station presets, and get the radio and naviga- tion system anti-theft codes. • After troubleshooting, enter the radio and navigation system anti-theft codes, and the radio station presets. 1 . Press the display unit A/C INFO button, and select "set-up". 2. Check the volume setting for the navigation system. Is it set OFF? YES—Set the volume to an audible level. NO—Go to step 3. 3. Check the radio operation. Can you hear the radio? YES—Go to step 4. the audio system. 4. Go into the Diagnostic mode and use the "Navi System Link" diagnostic (see page ) to check the radio. Is "Radio" icon red? the audio system. NO—Go to step 5. Is there continuity? YES—Replace the affected shielded harness. NO—Go to step 8. (cont'd) 5. Turn the ignition switch OFF. 6. Disconnect the navigation unit connector B (14P). 7. Check for continuity between body ground and navi- gation unit connector B ( 1 4 P ) terminals No. 5 and No. 12 individually. Main Menu Table of Contents |