B1421

B1421 - Audio CD Read Error/Inoperable Disc

For a complete wiring diagram, refer to.

• When Monitored: Continuously with the ignition on and the radio CD player turned on.

• Set Condition: The code will set if a CD that is not formatted as a music CD is installed in the radio CD player.






Test Step 1 - RADIO

• Replace the problem CD with a good, clean and unscratched music CD.

• Turn the radio CD player ON.

• With the scan tool, read DTC's.

Does the scan tool display B1421 - Audio CD Read Error/Inoperable Disc?

Yes

• Eject the inoperative CD and replace the CD.

• Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior

No

• Test complete.

• Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior