Audio And Visual System - Stereo Component Amplifier Power Source Circuit

Lexus IS250 IS220d GSE20 ALE20 - AUDIO / VISUAL

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

INSPECT STEREO COMPONENT AMPLIFIER

AUDIO AND VISUAL SYSTEM - Stereo Component Amplifier Power Source Circuit

DESCRIPTION

This circuit provides power to the stereo component amplifier.


WIRING DIAGRAM

Audio And Visual System - Stereo Component Amplifier Power Source Circuit. AUDIO / VISUAL. Lexus IS250 IS220d GSE20 ALE20

INSPECTION PROCEDURE

1.INSPECT STEREO COMPONENT AMPLIFIER
Audio And Visual System - Stereo Component Amplifier Power Source Circuit. AUDIO / VISUAL. Lexus IS250 IS220d GSE20 ALE20

Disconnect the stereo component amplifier connectors.

Measure the resistance according to the values in the table below.

  • Standard resistance:
  • Tester connectionConditionSpecified condition
    GND - Body groundAlwaysBelow 1 Ω
    GND2 - Body groundAlwaysBelow 1 Ω

Measure the voltage according to the values in the table below.

  • Standard voltage:
  • Tester connectionConditionSpecified condition
    +B - GNDAlways10 to 14 V
    +B2 - GNDAlways10 to 14 V
    ACC - GNDEngine switch on (ACC)10 to 14 V
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE