Inspection Procedure

1. Disconnect the F27 display connector.
2. Disconnect the F18 amplifier connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Condition
   F27-21 (IVO-) - F18-14 (111-)	Always	Below 1 Ω
   F27-22 (IVO+) - F18-15 (111+)	Always	Below 1 Ω
   F27-21 (IVO-) - Body ground	Always	10 kΩ or higher
   F27-22 (IVO+) - Body ground	Always	10 kΩ or higher
   F27-23 (SLD) - Body ground	Always	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

Fig 1: Identifying Display And Navigation Module Display And Stereo Component Amplifier Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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