Inspection Procedure

WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

Check RADIO NO. 1, P-ACC and P-IG fuse.
1. NG : Replace fuse.
2. OK : Go to next step.
Check radio and player.
PREPARATION:

Disconnect the radio and player.

CHECK:

Check the voltage of terminal +B.

OK:

+B: 10 - 14 V

CHECK:

Check the voltage of terminal ACC when the ignition switch is in ACC or ON position.

OK:

ACC: 10 - 14 V

CHECK:

Check continuity at terminal GND.

OK:

GND: Continuity
1. NG : Replace or repair wire harness (See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE ).
2. OK : Replace radio and player (See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE ).
  HINT:
  
  When sending it for repair, leave as it is without attempting to take it out by force.