Operation CHARM: Car repair manuals for everyone.

Initial Inspection and Diagnostic Overview

GLASS ANTENNA CIRCUIT INSPECTION

1. Remove the right side rear pillar trim. Then disconnect the 2P power connector from the glass antenna amp (A).




2. Turn the radio ON.
Measure the voltage between terminal 2 of the harness side power connector (A) and body ground.

OK : approximately 12 V (ACC+)

3. Disconnect the 2P connector of radio wiring from the glass antenna amp (A).




4. Check for continuity between terminals of harness side connector and antenna grid terminals (AM, FM).
5. Check the grid lines that continuity exists.
6. When a poor radio reception is not repaired through the above inspection methods, replace the amp. If the radio reception is still poor, check the radio cable for short and radio head unit for failure.