Inspection Procedure

1. Disconnect the connectors from the television display assembly and navigation receiver assembly.
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   TESTER CONNECTION AND SPECIFIED CONDITION
   
   

   Tester connection	Condition	Specified condition
   CDR+ - R+	Always	Below 1 Ω
   CDR- -R-	Always	Below 1 Ω
   CDL+ - L+	Always	Below 1 Ω
   CDL- - L-	Always	Below 1 Ω
   CSLD - SLD9	Always	Below 1 Ω
   R- - Body ground	Always	10 kΩ or higher
   L+ - Body ground	Always	10 kΩ or higher
   L- - Body ground	Always	10 kΩ or higher
   R+ - Body ground	Always	10 kΩ or higher
   SLD9 - Body ground	Always	10 kΩ or higher

Fig 1: Identifying Television Display Assembly And Navigation Receiver Assembly Connectors
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step. 

1. Reconnect the television display assembly connector and navigation receiver assembly connectors.
2. Check the waveform according to the conditions in the table below.
   Fig 2: Inspecting Television Display Assembly Wire Harness

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard resistance 

   TESTER CONNECTION AND SPECIFIED CONDITION
   
   

   Tester connection	Condition	Specified condition
   R+ - Body ground	Voice sound is being produced	A waveform synchronized with sound is output
   R- - Body ground	Voice sound is being produced	A waveform synchronized with sound is output
   L+ - Body ground	Voice sound is being produced	A waveform synchronized with sound is output
   L- - Body ground	Voice sound is being produced	A waveform synchronized with sound is output

NG: REPLACE TELEVISION DISPLAY ASSEMBLY 

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