Visual Mute Signal Circuit between Navigation Receiver Assembly and Multi-display [08/2014 - ]: Procedure

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

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   Standard Voltage

   Tester Connection	Condition	Specified Condition
   H160-11 (VMTI) - Body ground	Power switch on (ACC) Screen display changes	3.5 V or higher → Below 1 V → 3.5 V or higher

   TEXT IN ILLUSTRATION
   
   

   *a	Component with harness connected (Multi-display)

Result:  OK

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

(See article. Refer to PROBLEM SYMPTOMS TABLE [08/2014 - ] )

Result:  NG

NG 

See step  2

1. Disconnect the H140 radio receiver assembly connector.
2. Disconnect the H160 multi-display connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H140-10 (VMTF) - H160 -11 (VMTI)	Always	Below 1 Ω
   H140-10 (VMTF) - Body ground	Always	10 kΩ or higher

Result:  NG

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result:  OK

OK 

See step  3

1. Replace the multi-display with a new or known good one (See article. Refer to REMOVAL [08/2014 - ] ).
2. Check that the screen display is normal.

   OK

   Screen display is normal.

Result:  OK

OK 

END 

Result:  NG

NG 

REPLACE RADIO RECEIVER ASSEMBLY 

(See article. Refer to REMOVAL [08/2014 - ] )