For 1990-2009 cars only
Diagnostic Instructions
| • | Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. |
| • | Review Strategy Based Diagnosis for an overview of the diagnostic approach. |
| • | Diagnostic Procedure Instructions provides an overview of each diagnostic category |
DTC Descriptor
DTC B1244 00: CD-Player Disc Upside DownDTC B1249 00: CD-Changer Disc Upside Down
Circuit/System Description
The radio performs a self test to verify if any problems exist in reading the CD.
Conditions for Running the DTC
The CD player/changer recovers from loading/ejecting error.
Conditions for Setting the DTC
The CD player/changer experiences a loading/ejecting error.
Action Taken When the DTC Sets
| • | The radio displays a "Error Check Disc" message temporarily. |
| • | Disc is ejected and radio source is changed to tuner. |
Conditions for Clearing the DTC
| • | The condition for setting the DTC is no longer present. |
| • | The history DTC will clear after 50 fault-free ignition cycles. |
Diagnostic Aids
Visually inspect the CD for physical damage or signs of abnormal wear, scratches etc.
Reference Information
Schematic Reference
Radio/Navigation System Schematics
Connector End View Reference
Description and Operation
Radio/Audio System Description and Operation
Electrical Information Reference
| • | Circuit Testing |
| • | Wiring Repairs |
Scan Tool Reference
Control Module References for scan tool information
Circuit/System Verification
- Ignition ON, with a scan tool clear all DTCs.
- Radio ON, play a known good CD. Eject and reinsert the CD several times and verify B1244 or B1249 does not reset.
| ⇒ | If the DTC resets, replace the radio. |
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References for radio replacement, setup, and programming
