AUDIO AND VISUAL SYSTEM (w/o Navigation System) > Radio Receiver Power Source Circuit

for Preparation Click here


DESCRIPTION

This circuit provides power to the radio receiver assembly.

WIRING DIAGRAM


E223514E01


INSPECTION PROCEDURE

NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.

1.CHECK HARNESS AND CONNECTOR (POWER SOURCE)
  1. Disconnect the radio receiver assembly connector.

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

    Standard Resistance:
    for 10 Speakers 
    Tester Connection
    Condition
    Specified Condition
    H51-20 (GND) - Body ground
    Always
    Below 1 Ω
    for 6 Speakers 
    Tester Connection
    Condition
    Specified Condition
    H48-7 (GND) - Body ground
    Always
    Below 1 Ω
    H47-20 (LRHD) - Body ground*1
    Always
    Below 1 Ω

    1. *1: for RHD

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

    Standard Voltage:
    for 10 Speakers 
    Tester Connection
    Condition
    Specified Condition
    H51-1 (B) - H51-20 (GND)
    Power switch off
    11 to 14 V
    H51-11 (ACC) - H51-20 (GND)
    Power switch on (ACC)
    11 to 14 V
    for 6 Speakers 
    Tester Connection
    Condition
    Specified Condition
    H48-4 (B) - H48-7 (GND)
    Power switch off
    11 to 14 V
    H48-3 (ACC) - H48-7 (GND)
    Power switch on (ACC)
    11 to 14 V



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

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