Remote Playback Device - Audio Noise
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Radio/Audio System Schematics (Base/Uplevel Radio - UQ3/UQ5) Radio/Audio System Schematics (Premium Radio - UQ7 w/o Y91) Radio/Audio System Schematics (Luxury Radio - UQ7 w/Y91) | |||
| 1 | Did you perform the Diagnostic System Check-Entertainment System? | Go to Step 2 | Go to Diagnostic System Check - Entertainment System |
| 2 | Turn ON the ignition, with the engine OFF. Turn ON the radio. Insert a tape, CD, or CD magazine with at least 1 audio CD inside, into the remote playback device. Turn ON the remote playback device. Does the remote playback device operate without audio noise? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
| 3 | Turn OFF the ignition. Disconnect the remote playback device. Test the drain wire circuit of the remote playback device for high resistance or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 9 | Go to Step 4 |
| 4 | Test the remote playback device audio common signal circuit of the remote playback device for a short, high resistance, or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 9 | Go to Step 5 |
| 5 | Inspect the audio harness shield of the remote playback device for damage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 9 | Go to Step 6 |
| 6 | Inspect for poor connections at the harness connector of the remote playback device. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 9 | Go to Step 7 |
| 7 | Inspect for poor connections at the harness connector of the radio. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 9 | Go to Step 8 |
| 8 | Replace the remote playback device. Refer to Remote CD Player Replacement . Did you complete the replacement? | Go to Step 9 | |
| 9 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
Remote Playback Device - Audio Noise
Noise Compensated Volume Inoperative
| Step | Action | Value | Yes | No |
|---|---|---|---|---|
| Schematic Reference: Radio/Audio System Schematics (Base/Uplevel Radio - UQ3/UQ5) Radio/Audio System Schematics (Premium Radio - UQ7 w/o Y91) Radio/Audio System Schematics (Luxury Radio - UQ7 w/Y91) | ||||
| 1 | Did you perform the Diagnostic System Check - Entertainment System? | Go to Step 2 | Go to Diagnostic System Check - Entertainment System | |
| 2 | Turn ON the ignition, with the engine ON. Turn ON the blower motor on the maximum speed. Cycle the auto volume control ON and then OFF. Is a difference in volume heard? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 | |
| 3 | Turn ON the ignition, with the engine OFF. Disconnect the noise compensation microphone. Measure the voltage from the noise compensation microphone supply voltage circuit to the drain wire. Does the voltage measure near the specified value? | 8 V | Go to Step 4 | Go to Step 5 |
| 4 | Replace the noise compensation microphone. Refer to Microphone Replacement - Radio Volume Compensator Interior . Did you complete the replacement? | Go to Step 9 | ||
| 5 | Test the noise compensation microphone supply voltage circuit for an open or short. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 9 | Go to Step 6 | |
| 6 | Test the drain wire circuit for an open or short. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 9 | Go to Step 7 | |
| 7 | Inspect for poor connections at the amplifier. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 9 | Go to Step 8 | |
| 8 | Replace the amplifier. Refer to Amplifier Replacement . Did you complete the repair? | Go to Step 9 | ||
| 9 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 | |
Noise Compensated Volume Inoperative