LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2007 >> RX 400h FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 129 (Audio System & Visual System) >> Audio And Visual System >> Preset Memory Disappears >> Inspection Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Inspection Procedure

WARNING: This page is about a different car, the 2007 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSERT CASSETTE TAPE 
    1. Can cassette tape be inserted in the tape player?
    • OK: REPLACE RADIO RECEIVER ASSEMBLY 
    • NG: GO TO NEXT STEP 
  2. INSPECT FUSE (AMP, RADIO) 
    1. Remove the AMP fuse from the engine room junction block.
    2. Remove the RADIO fuse from the cowl side junction block RH.
    3. Measure the resistance of the fuses.

      Standard resistance: Below 1 

    • NG: REPLACE FUSE 
    • OK: GO TO NEXT STEP 
  3. CHECK WIRE HARNESS (STEREO AMPLIFIER - BATTERY AND BODY GROUND) 
    • NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 
    • OK: GO TO NEXT STEP 
  4. CHECK WIRE HARNESS (RADIO RECEIVER ASSEMBLY - BATTERY AND BODY GROUND) 
    • NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 
    • OK: REPLACE RADIO RECEIVER ASSEMBLY