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Inspection Procedure

WARNING: This page is about a different car, the 2009 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT STEREO COMPONENT AMPLIFIER 
    1. Disconnect the stereo component amplifier connectors.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Condition Specified Condition
      E102-6 (GND) - Body ground Always Below 1 Ω
      E102-7 (GND2) - Body ground Always Below 1 Ω
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage 

      VOLTAGE SPECIFICATION

      Tester Connection Condition Specified Condition
      E101-1 (+B) - E102-6 (GND) Always 11 to 14 V
      E101-5 (+B2) - E102-6 (GND) Always 11 to 14 V
      E100-12 (ACC) - E102-6 (GND) Ignition switch ACC 11 to 14 V

      NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

      Fig 1: Identifying Stereo Component Amplifier Connector Terminals
      G06010540Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE  (See PROBLEM SYMPTOMS TABLE )