1. Unplug the defog grid line connectors.
2. Connect the test antenna to the antenna cable.
3. Check the radio reception.

Is the radio operating properly?

--

Go to Step 2

Go to Step 3

Repair the glass antenna.

Is the repair complete?

--

System OK

--

Inspect the defog grid line connectors terminal.

Is the problem found?

--

Go to Step 4

Go to Step 5

Repair the defog grid line connector terminals as needed. Is the repair complete?

--

System OK

--

1. Disconnect the glass antenna module connector.
2. Turn the AM or FM radio on.
3. Check the voltage at the glass antenna module connector terminal 2.

Does the voltage equal the value specified?

11-14V

Go to Step 6

Go to Step 7

Inspect the antenna cable connectors at the audio and the glass antenna module side.

Is the problem found?

--

Go to Step 8

Go to Step 9

Repair the open power supply circuit for the glass antenna module.

Is the repair complete?

--

System OK

--

Repair the antenna cable connectors as needed.

Is the repair complete?

--

System OK

--

Replace the glass antenna module. Refer to Radio Antenna Module Replacement.

Is the repair complete?

--

System OK

--

Schematic Reference: Radio/Navigation System Schematics

1. Unplug the antenna cable from the antenna.
2. Connect the test antenna to the antenna cable.
3. Check the FM radio reception.

Is the FM radio operating properly?

Go to Step 2

Go to Step 3

Replace the antenna.

Is the repair complete?

System OK

--

1. Remove the cassette radio from the instrument panel.
2. Unplug the antenna cable from the audio system.
3. Plug the test cable into the audio system.
4. Check the FM radio reception.

Is the FM radio operating properly?

Go to Step 4

Go to Step 5

Replace the antenna cable between the audio system and the antenna.

Is the repair complete?

System OK

--

Replace the radio.

Is the repair complete?

System OK

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