For 1990-2009 cars

### 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

### Circuit/System Description

With the ignition in either the ACC position or the ON position the rear seat entertainment (RSE) interface module continuously sends a communication signal to the DVD player. Upon receiving the signal, the DVD player sends a reply signal, confirming that it can communicate. DTC U2201 will set to indicate the DVD Player has not received a communication signal or replied when the RSE interface module has requested operation.

### Conditions for Running the DTC

DTC U2201 runs continuously once a valid DVD player response occurs.

### Conditions for Setting the DTC

The RSE interface module does not receive a response from the DVD player after 3 consecutive communication attempts.

### Action Taken When the DTC Sets

The rear seat entertainment system fails to operate.

### Conditions for Clearing the DTC

• | The current DTC will clear when the RSE interface module receives a communication reply from the DVD player.

• | The history DTC will clear after 50 fault-free ignition cycles have occurred.

### Reference Information

#### Schematic Reference

Video System Schematics

#### Connector End View Reference

Component Connector End Views

#### Description and Operation

Video Entertainment System Description and Operation

#### Electrical Information Reference

• | Circuit Testing

• | Connector Repairs

• | Testing for Intermittent Conditions and Poor Connections

• | Wiring Repairs

#### Scan Tool Reference

Control Module References for scan tool information

### Circuit/System Testing

1. Using the scan tool, select the DTC display function. Verify that DTC U2201 is set.
2. If DTC U2201 is set, turn OFF the RSE system for 30 seconds.
3. Ignition ON, RSE system ON, select the DVD function for the system. Using the scan tool, select the DTC display function and verify that DTC U2201 is set to current.
4. Press the eject button on the DVD player and audibly verify that the DVD player has eject/load capability.

⇒ | If the DVD player fails to eject verify that DTC B1325 is not set to current.

5. Ignition OFF, disconnect the RSE interface module and DVD player harness connectors.
6. Using a DMM test the RSE interface module and DVD player; communication, power and ground circuits for short to ground or an open/high resistance.

⇒ | If the circuits do not test normal, repair or replace the effected circuit(s).

⇒ | If the circuits test normal, replace the DVD player.

7. Using the scan tool, select the DTC display function. If DTC U2201 resets, replace the audio video interface module.

### Repair Instructions

Perform the Diagnostic Repair Verification.

• | Audio/Video Interface Module Replacement

• | Video Disc Player Replacement