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Home >> Lexus >> 2008 >> LX 570 V8-5.7L (3UR-FE) >> Repair and Diagnosis >> Accessories and Optional Equipment >> Radio, Stereo, and Compact Disc >> Testing and Inspection >> Component Tests and General Diagnostics >> Radio Receiver Power Source Circuit

Radio Receiver Power Source Circuit









AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: Radio Receiver Power Source Circuit

Radio Receiver Power Source Circuit

DESCRIPTION

This circuit provides power to the radio receiver.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT FUSE (RAD NO. 1, ACC)
(a) Disconnect the RAD NO. 1 fuse from the engine room relay block.
(b) Disconnect the ACC fuse from the main body ECU.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:






NG -- REPLACE FUSE
OK -- Continue to next step.
2. CHECK HARNESS AND CONNECTOR (RECEIVER - BATTERY AND BODY GROUND)





(a) Disconnect the F1 receiver connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:





(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE