LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2003 >> RX 300 AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> LEXUS Navigation System - Diagnosis >> Circuit Inspection >> 2. No sound with POWER switch pressed. ("Audio OFF" on audio screen) >> Inspection Procedure

Inspection Procedure

  1. Service check mode. (Check radio receiver assembly) 
    1. NG: Troubleshoot for each diagnosis. 
    2. OK: Go to next step. 
  2. Check the radio receiver assembly. 

    PREPARATION: 

    Disconnect the radio receiver assembly connector.

    CHECK: 

    Check voltage terminals +B.

    OK: 

    +B: 10 - 14 V 

    CHECK: 

    Check voltage terminal ACC when turn ignition switch ACC or ON position.

    OK: 

    ACC: 10 - 14 V 

    CHECK: 

    Check continuity terminal GND.

    OK: 

    GND: Continuity 

    1. NG: Replace or repair wire harness or connector. 
    2. OK: Replace the radio receiver assembly. 
scientia non olet · About LEMON Manuals