Radio Displays CLN or CLEAN. Chevrolet Avalanche - 2WD 2004

GM Service Manual Online

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2004 🢒 Avalanche - 2WD 🢒 Accessories 🢒 Entertainment 🢒 Radio Displays CLN or CLEAN

Radio Displays CLN or CLEAN W/O UM8

Step	Action	Yes	No
Schematic Reference: Radio/Audio System Schematics
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. Does the radio operate normally?	Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems	Go to Step 3
3	Clean the tape head path usingJ 39916-A CD and Cassette Diagnostic Audio Kit. Reset the display by pushing and holding the eject button for 5 seconds. Does the radio display CLN or CLEAN?	Go to Step 4	Go to Step 5
4	Important: Reprogram the radio. Refer to Service Programming System (SPS) in Programming. Replace the radio. Refer to Radio Replacement . Did you complete the replacement?	Go to Step 5	--
5	Operate the system in order to verify the repair. Did you correct the condition?	System OK	Go to Step 3

Radio Displays CLN or CLEAN W/ UM8

Step	Action	Yes	No
Schematic Reference: Radio/Audio System Schematics
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. Does the radio operate normally?	Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems	Go to Step 3
3	Clean the tape head path usingJ 39916-A CD and Cassette Diagnostic Audio Kit. Reset the display by pushing and holding the eject button for 5 seconds. Does the radio display CLN or CLEAN?	Go to Step 4	Go to Step 5
4	Replace the radio. Refer to Radio Replacement . Did you complete the replacement?	Go to Step 5	--
5	Operate the system in order to verify the repair. Did you correct the condition?	System OK	Go to Step 3