Was the Radio/Audio System Check performed?

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Go to Step 2

Go to Diagnostic System Check - Radio/Audio System

1. Turn the radio on.
2. Using a DMM, backprobe between the radio amplifier module connector C395 terminal A and ground.

Does the voltage equal the specified value?

12 V

Go to Step 4

Go to Step 3

1. Leave the radio on.
2. Using a DMM, backprobe between the radio terminal F3 and ground.

Does the voltage equal the specified value?

12 V

Go to Step 9

Go to Step 7

1. Leave the radio on.
2. Using a DMM, backprobe between the radio antenna module connector C395 terminal A and terminal B.

Does the voltage equal the specified value?

12 V

Go to Step 5

Go to Step 10

Check the coaxial cable, (between the radio and the radio antenna module).

Is the coaxial cable OK?

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Go to Step 6

Go to Step 8

1. Check the connection between the rear window antenna grid and the radio antenna module.
2. If OK, replace the radio antenna module. Refer to Antenna Amplifier Replacement for service procedure.

Is the repair complete?

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Go to Diagnostic System Check - Radio/Audio System

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Replace the radio. Refer to Radio Replacement for service procedure.

Is the repair complete?

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Go to Diagnostic System Check - Radio/Audio System

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Replace the coaxial cable. Refer to Radio Antenna Cable Extension Cable Replacement for service procedure.

Is the repair complete?

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Go to Diagnostic System Check - Radio/Audio System

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Repair open in circuit 145.

Is the repair complete?

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Go to Diagnostic System Check - Radio/Audio System

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Repair open in circuit 351.

Is the repair complete?

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Go to Diagnostic System Check - Radio/Audio System

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