Inspection Procedure

WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT RADIO RECEIVER ASSY (MUTE)
1. Check that the voltage between terminals at each condition, as shown in Fig 2 .
  
  Fig 1: Inspecting Radio Receiver Assy (Mute)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Standard:
  
  Fig 2: Radio Receiver Assy (Mute) Specifications Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  NG: CHECK AND REPLACE RADIO RECEIVER ASSY
  
  OK: Go to Next Step
INSPECT STEREO COMPONENT AMPLIFIER ASSY (MUTE)
1. Check that the voltage between terminals at each condition, as shown in Fig 3 .
  Standard:
  
  Fig 3: Stereo Component Amplifier Assy (Mute) Specifications Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. MARK LEVINSON Type:
    
    Fig 4: Identifying Stereo Component Amplifier Assy (Mute) Mark Levinson Type Terminals
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. 6CD Type:
    
    Fig 5: Identifying Stereo Component Amplifier Assy (Mute) 6CD Type Terminals
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. 1CD Type:
  Fig 6: Identifying Stereo Component Amplifier Assy (Mute) 1CD Type Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
  
  OK: Go to Next Step
INSPECT RADIO RECEIVER ASSY
1. Check that the voltage between terminals at each condition, as shown in Fig 7 .
  Standard:
  
  Fig 7: Radio Receiver Assy Specifications Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Radio Receiver Assy
  Fig 8: Identifying Radio Receiver Assy Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  NG: CHECK AND REPLACE RADIO RECEIVER ASSY
  
  OK: Go to Next Step
INSPECT STEREO COMPONENT AMPLIFIER ASSY (INPUT SIGNAL)
1. Check that the voltage between terminals at each condition, as shown in Fig 9 .
  Standard:
  
  Fig 9: Stereo Component Amplifier Assy (Input Signal) Specifications Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. MARK LEVINSON Type:
    
    Fig 10: Identifying Stereo Component Amplifier Assy (Input Signal) Mark Levinson Type Terminals
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. 6CD Type:
    
    Fig 11: Identifying Stereo Component Amplifier Assy (Input Signal) 6CD Type Terminals
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. 1CD Type:
  Fig 12: Identifying Stereo Component Amplifier Assy (Input Signal) 1CD Type Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
  
  OK: Go to Next Step
INSPECT STEREO COMPONENT AMPLIFIER ASSY (OUTPUT SIGNAL)
1. Check that the voltage between terminals at each condition, as shown in Fig 13 .
  Standard:
  
  Fig 13: Stereo Component Amplifier Assy (Output Signal) Specifications Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Mark Levinson type:
    
    Fig 14: Identifying Stereo Component Amplifier Assy (Output Signal) Mark Levinson Type Terminals
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. 6CD Type:
    
    Fig 15: Identifying Stereo Component Amplifier Assy (Output Signal) 6CD Type Terminals
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. 1CD Type:
  Fig 16: Identifying Stereo Component Amplifier Assy (Output Signal) 1CD Type Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  NG: CHECK AND REPLACE STEREO COMPONENT AMPLIFIER ASSY
  
  OK: Go to Next Step
CHECK SPEAKER(RESISTANCE)
Check continuity.
1. Check that the continuity exists between terminals of front No.1 speaker assy.
  Standard: 2-8Ω
  
  NG: REPLACE SPEAKER
  
  OK: REPAIR OR REPLACE HARNESS OR CONNECTOR