Inspection Procedure

1. Disconnect the radio receiver E12 or E13 connector.
   Fig 1: Disconnecting Radio Receiver E12 Or E13 Connector

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

   Tester connection	Condition	Specified condition
   GND - Body ground	Always	Below 1

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

   Tester connection	Condition	Specified condition
   B - GND	Always	10 to 14 V
   ACC - GND	Ignition switch on (ACC)	10 to 14 V

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

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