Visual Mute Signal Circuit between Radio Receiver and Multi-display [10/2014 - 09/2017]: Procedure

1. Disconnect the I38 radio receiver assembly connector.
2. Disconnect the I42 multi-display assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   I38-10 (VMTF) - I42-11 (VMTI)	Always	Below 1 Ω
   I38-10 (VMTF) or I42-11 (VMTI) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  2

1. Remove the radio receiver assembly with the connector still connected.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component with harness connected (Radio Receiver Assembly)

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

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   I38-10 (VMTF) - Body ground	Power switch on (ACC), screen display changes	2 V or higher → Below 1 V → 2 V or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [10/2014 - 09/2016]  , or refer to  PROBLEM SYMPTOMS TABLE [09/2016 - 09/2017] 

Result: 

NG 

REPLACE RADIO RECEIVER ASSEMBLY. Refer to  REMOVAL [10/2014 - 09/2017]