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Stereo Cassette AM / FM Radio Diagnosis

WARNING: This page is about a different car, the 2005 Suzuki Reno and 2005 Suzuki Forenza. However, it is still accessible from the selected car via links, so may be relevant.

CD Player Inoperative, AM / FM Functions OK 

CD PLAYER INOPERATIVE, AM / FM FUNCTIONS OK - DIAGNOSTIC PROCEDURE

Step Action Value(s) Yes No
1 Using a good-quality CD, determine if the CD player performs poorly or is inoperative.
Does the CD player function correctly?		 - Go to Step 2 Go to Step 3
2 Inform the customer that the problem is with the CD, not the CD player
Has the customer been informed?		 - System OK -
3 Check the CD player for obstructions behind the tape door.
Is an obstruction found?		 - Go to Step 4 Go to Step 6
4 Check to see if the obstruction can be removed.
Can the obstruction be removed?		 - Go to Step 5 Go to Step 6
5 Remove the obstruction.
Is the repair complete?		 - System OK -
6 Replace the CD player.
Is the repair complete?		 - System OK -

AM / FM Cassette Radio Inoperative 

AM / FM CASSETTE RADIO INOPERATIVE - DIAGNOSTIC PROCEDURE

Step Action Value(s) Yes No
1 Check fuses F23 and F17.
Are fuses F23 and F17 blown?		 - Go to Step 2 Go to Step 3
2
  1. Check for a short circuit and repair it, if necessary.
  2. Replace the blown fuses.

Is the repair complete?		 - System OK -
3
  1. Use a voltmeter to test for battery voltage at fuse F23.
  2. Turn the ignition ON and test for battery voltage at fuse F17.

Does the battery voltage match the specified value at fuses F23 and F17?		 11-14 V Go to Step 5 Go to Step 4
4 Repair the power supply circuit to the fuses.
Is the repair complete?		 - System OK -
5
  1. Remove the cassette radio.
  2. Turn the ignition ON.
  3. Use a voltmeter to test for battery voltage at the audio system connector terminals 4 and 5.

Does the battery voltage match the specified value at both terminals?		 11-14 V Go to Step 7 Go to Step 6
6 Repair the open circuit between the audio system connector and the fuse.
Is the repair complete?		 - System OK -
7 Use an ohmmeter to test the ground circuit at the audio system connector terminal 14.
Does the resistance match the specified value?		 0ohm Go to Step 9 Go to Step 8
8 Repair the open ground circuit between the audio system connector and ground G204.
Is the repair complete?		 - System OK -
9 Replace the cassette radio.
Is the repair complete?		 - System OK -

Cassette Player Inoperative, AM / FM Functions OK 

CASSETTE PLAYER INOPERATIVE, AM / FM FUNCTIONS OK - DIAGNOSTIC PROCEDURE

Step Action Value(s) Yes No
1 Verify the customer complaint.
Does the cassette player destroy tapes?		 - Go to Step 5 Go to Step 2
2 Using a good-quality tape, determine whether the cassette player performs poorly or is inoperative.
Does the cassette player perform poorly?		 - Go to Step 5 Go to Step 3
3 Check the cassette player for obstructions behind the tape door.
Is an obstruction found?		 - Go to Step 4 Go to Step 8
4 Check to see if the obstruction can be removed using gentle force.
Is the obstruction removed?		 - Go to Step 5 Go to Step 6
5 Clean the cassette player head, the capstan, and the drive system.
Does the tape play properly?		 - Go to Step 7 Go to Step 6
6 Replace the cassette radio.
Is the repair complete?		 - System OK -
7 Check the cassette player for normal operation.
Is the repair complete?		 - System OK -
8 Advise the owner of a defective or worn tape.
Is the repair complete?		 - System OK -

AM Does Not Work, FM and Cassette OK 

AM DOES NOT WORK, FM AND CASSETTE OK - DIAGNOSTIC PROCEDURE

Step Action Value(s) Yes No
1 Check the audio system for normal operation.
Is AM inoperative and the rest of the system operating properly?		 - Go to Step 2 System OK
2 Replace the radio.
Is the repair complete?		 - System OK -

FM Radio Does Not Work, AM and Cassette OK 

FM RADIO DOES NOT WORK, AM AND CASSETTE OK - DIAGNOSTIC PROCEDURE

Step Action Value(s) Yes No
1
  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
2 Replace the antenna.
Is the repair complete?		 - System OK -
3
  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
4 Replace the antenna cable between the audio system and the antenna.
Is the repair complete?		 - System OK -
5 Replace the cassette radio.
Is the repair complete?		 - System OK -
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