Inspection Procedure

WARNING: This page is about a different car, the 2004 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT STEREO COMPONENT AMPLIFIER ASSY (+B, +B2, ACC, GND, E)
1. Disconnect the stereo component amplifier assy connector S29, S30.
2. Measure the resistance according to the value (s) in the figure Fig 1 below.
  Standard:
  
  Fig 1: Terminals Resistance Reference Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 2: Inspecting Stereo Component Amplifier Assy (+B, +B2, ACC, GND, E) (Mark Levinson Models)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Measure the voltage according to the value (s) in the figure Fig 3 below.
  Standard:
  
  Fig 3: Terminals Voltage Reference Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 4: Inspect Stereo Component Amplifier Assy (+B, +B2, ACC, GND, E) (Standard Models)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  ^* 1: Mark Levinson Models
  
  ^* 2: Standard Models
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN DIAGNOSTIC TROUBLE CODE CHART (SEE DIAGNOSTIC TROUBLE CODE CHART )