Stereo Component Amplifier Power Source Circuit: Wiring Diagram
WARNING: This page is about a different car, the 2006 Lexus IS 350 and 2006 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT STEREO COMPONENT AMPLIFIER
- Disconnect the stereo component amplifier connectors.
- Measure the resistance according to the values in the table below.
Standard resistance
TESTER CONNECTION AND SPECIFIED CONDITION CHARTTester connection Condition Specified condition GND - Body ground Always Below 1 Ω GND2 - Body ground Always Below 1 Ω - Measure the voltage according to the values in the table below.
Standard voltage
TESTER CONNECTION AND SPECIFIED CONDITION CHARTTester connection Condition Specified condition +B - GND Always 10 to 14 V +B2 - GND Always 10 to 14 V ACC - GND Engine switch on (ACC) 10 to 14 V
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE