Inspection Procedure

WARNING: This page is about a different car, the 2004 Lexus GS 430 and 2004 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.

Is CD magazine already inserted?
1. YES: Eject CD magazine.
2. NO: Go to Next Step
Is auto search button of radio operating normally?
1. YES: Go to step 6 .
2. NO: Go to Next Step
Check if RADIO No. 1 fuse is OK?
1. NG: Replace RADIO No. 1 fuse.
2. OK: Go to Next Step
Is power supplied to +B terminal of stereo component amplifier?
1. NO:+B wire harness faulty.
2. YES: Go to Next Step
Check if GND (wire harness side) of radio receiver assembly.
1. NG: +B wire harness faulty.
2. OK: Go to next step.
Radio assembly faulty.
Is power supplied to +B terminal of CD auto changer?
1. NO: Radio receiver assembly faulty.
2. YES: Go to Next Step
Check if GND (wire harness side) of CD auto changer grounded normally?
1. NG: Radio receiver assembly faulty.
2. OK: Go to next step.
CD auto changer faulty.