NAVIGATION SYSTEM (for HDD) Stereo Component Amplifier Power Source Circuit

DESCRIPTION

This circuit provides power to the stereo component amplifier assembly.

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - BATTERY AND BODY GROUND)

   
   
   1. 

      Text in Illustration

      *1	Front view of wire harness connector (to Stereo Component Amplifier Assembly)

      Disconnect the H20 stereo component amplifier connector.

   2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition H20-10 (GND) - Body ground Always Below 1 Ω

   3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Switch Condition Specified Condition H20-5 (+B) - H20-10 (GND) Always 11 to 14 V H20-12 (ACC) - H20-10 (GND) Ignition switch ACC 11 to 14 V H20-12 (ACC) - H20-10 (GND) Ignition switch off Below 1 V

   
   

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR

   OK

2. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - NAVIGATION RECEIVER)

   
   

   1. 

      Disconnect the H20 stereo component amplifier connector.

   2. 

      Disconnect the D22 navigation receiver connector.

   3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition H20-9 (AMP+) - D22-9 (AMP) Always Below 1 Ω

      Text in Illustration

      *1	Front view of wire harness connector (to Stereo Component Amplifier Assembly)
      *2	Front view of wire harness connector (to Navigation Receiver Assembly)

   
   

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR

   OK

   PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here