Inspection Procedure

Fig 1: Identifying F1, F23 And F24 Receiver Connectors Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the F1, F23 and F24 receiver connectors.
2. Measure the resistance according to the value (s) in the table below.

   Standard Resistance 

   STANDARD RESISTANCE
   
   

   Tester Connection	Condition	Specified Condition
   F1-5 (ATX+) - F1-15 (ATX-)	Always	60 to 80 Ω
   F23-9 (TX+) - F23-10 (TX-)	Always	60 to 80 Ω
   F24-9 (TXM+) - F24-10 (TXM-)	Always	60 to 80 Ω

NG: REPLACE RADIO RECEIVER ASSEMBLY  (See REMOVAL  )

OK: Go to next Step 

HINT:

For details of the connectors, refer to TERMINALS OF ECU  (See ).

1. Referring to the AVC-LAN wiring diagram, check all AVC-LAN circuits.
   1. Disconnect all connectors in all AVC-LAN circuits.
   2. Check for an open or short in all AVC-LAN circuits.

      OK: There is no open or short circuit. 

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

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