Visual Mute Signal Circuit between Navigation Receiver Assembly and Multi-display [12/2013 - ]: Procedure

INSPECT MULTI-DISPLAY

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)

NG → See step 2

OK → See step 4

CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - MULTI-DISPLAY)

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

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step

REPLACE MULTI-DISPLAY
1. Replace the multi-display with a new or known good one. Refer to REMOVAL [12/2013 - ] .
2. Check that the screen display is normal.
  OK
  
  Screen display is normal.
NG → See step 5

OK → END
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE [12/2013 - ]
REPLACE RADIO RECEIVER ASSEMBLY. Refer to REMOVAL [12/2013 - ]