LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1087 (Entertainment System) >> Diagnostic Information and Procedures >> Radio Controls Inoperative - Rear Seat

Radio Controls Inoperative - Rear Seat

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
Radio Controls Inoperative - Rear Seat

Step Action Values Yes No
Schematic Reference:  Radio/Audio System Schematics  
DEFINITION: With the radio operating normally, the volume greatly increases when the rear seat audio (RSA) power button is pressed on.
1 Did you perform the Radio/Audio System Diagnostic System Check? - Go to Step 2  Go to Diagnostic System Check - Entertainment System 
2
  1. Turn ON the ignition, with the engine OFF.
  2. Turn ON the radio.
  3. Adjust the fade and balance controls to mid range.
  4. Press the power button on the RSA controller.
Does the volume increase greatly when the RSA power button is pressed ON?		 - Go to Step 3  Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
3
  1. Turn OFF the ignition.
  2. Remove the radio. Refer to Radio Replacement .
  3. Turn ON the ignition, with the engine OFF.
  4. Turn ON the radio.
  5. Press the power button on the RSA controller.
  6. Measure the voltage from the RSA enable circuit of the radio to ground.
Does the voltage measure near the specified value?		 12 V Go to Step 4  Go to Step 5 
4 Inspect for poor connections at the harness connector of the radio. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 11  Go to Step 6 
5 Is the vehicle equipped with an audio amplifier? - Go to Step 7  Go to Step 8 
6
IMPORTANT: Perform the radio set up procedure for the radio.
Replace the radio. Refer to Radio Replacement .Did you complete the replacement?		 - Go to Step 11  -
7 Inspect for poor connections at the harness connector C1 of the audio amplifier. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 11  Go to Step 8 
8 Test the RSA enable circuit between the RSA controller and the radio for an open or for a short to ground. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 11  Go to Step 9 
9 Inspect for poor connections at the harness connector of the RSA controller. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 11  Go to Step 10 
10 Replace the RSA controller. Refer to Audio Control Replacement - Second Seat (Aztek)  or Audio Control Replacement - Second Seat (Rendezvous) .
Did you complete the replacement?		 - Go to Step 11  -
11 Operate the system in order to verify the repair.
Did you correct the condition?		 - System OK Go to Step 2 
scientia non olet · About LEMON Manuals