Navigation System - Voice Recognition Inoperative. Cadillac CTS

For 1990-2009 cars only

Makes 🢒 Cadillac 🢒 2003 🢒 CTS - RHD 🢒 Body and Accessories 🢒 Navigation Systems 🢒 Navigation System - Voice Recognition Inoperative

Step	Action	Yes	No
Schematic Reference: Navigation System Schematics Connector End View Reference: Entertainment Connector End Views
1	Did you perform the Diagnostic System Check - Navigation System?	Go to Step 2	Go to Diagnostic System Check - Navigation System
2	Turn ON the ignition with engine OFF. The Cadillac emblem screen appears on the navigation radio. Press the NAV button on the radio. When the navigation disclaimer screen appears, press the I AGREE button on the display. Press and release the voice recognition steering wheel control. After the chime is heard say RADIO. The radio display should now be displayed. Does the system operate normally?	Go to Testing for Intermittent Conditions and Poor Connections	Go to Step 3
3	Test the OnStar voice recognition. Refer to OnStar Description and Operation . Does the system operate normally?	Go to Step 4	Go to OnStar Voice Recognition Inoperative
4	Test the Navigation voice signal circuit for an open, a short to ground, or a short to voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems Did you find and correct the condition?	Go to Step 9	Go to Step 5
5	Inspect for poor connections at the harness connector of the navigation radio. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 9	Go to Step 6
6	Inspect for poor connections at the harness connector of the OnStar communication interface module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 9	Go to Step 7
7	Replace the navigation radio. Refer to Radio Replacement in Entertainment. Did you complete the replacement?	Go to Step 9	Go to Step 8
8	Replace the communication interface module. Refer to Communication Interface Module Replacement in Cellular Communication. Did you complete the replacement?	Go to Step 9
9	Operate the system to verify the repair. Did you correct the condition?	System OK	Go to Step 2