Inspection Procedure

1. INSPECT RADIO AND NAVIGATION ASSY (+B, ACC, GND) 

1. Disconnect the radio and navigation assy connector R6.
2. Measure the resistance according to the value (s) in the table below.

   Standard: 

   SPECIFIED CONDITION
   
   

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

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

Standard: 

Fig 1: Disconnecting Radio And Navigation Assy Connector R6

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE   OR  DIAGNOSTIC TROUBLE CODE CHART