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 sound (Check if sound of radio, cassette tape, CD can be heard.).
- OK : System check mode (Check radio and player.) (See PRE-CHECK ).
- NG : Go to next step.
- Check radio and player.
PREPARATION:
Disconnect the radio and player connector.
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
- NG : Replace or repair wire harness or connector (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.
- OK : Go to next step.
- NG : Replace or repair wire harness or connector (See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
).
- Check "AVC-LAN communication circuit" (See AVC-LAN (COMMUNICATION BUS) CIRCUIT
).
CHECK:
Check continuity of the wire harness between the multi display and the radio and player.
OK:
Continuity
- NG : Replace or repair AVC-LAN circuit.
- OK : Replace radio and player.