Inspection Procedure

WARNING: This page is about a different car, the 2006 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT TELEVISION DISPLAY ASSEMBLY

Measure the voltage according to the value(s) in TESTER CONNECTION SPECIFIED CONDITION .

Standard:

TESTER CONNECTION SPECIFIED CONDITION

Tester connection	Condition	Specified condition
LMUT - Body ground	Turn ignition switch to ACC, RSE system is playing --> Changing mode	Above 3.5 V --> Below 1 V

Fig 1: Inspecting Television Display Assembly

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OK: RETURN TO THE ORIGINAL INSPECTION BECAUSE THE CHECK RESULT IS NORMAL

NG: GO TO NEXT STEP.

CHECK HARNESS AND CONNECTOR (RADIO AND NAVIGATION ASSEMBLY - TELEVISION DISPLAY ASSEMBLY)

Disconnect the radio and navigation assembly connector R11 and television display assembly connector R18.

Measure the resistance according to the value(s) in TESTER CONNECTION SPECIFIED CONDITION .

Standard:

TESTER CONNECTION SPECIFIED CONDITION

Tester connection	Condition	Specified condition
MUTE - LMUT	Always	Below 1
MUTE - Body ground	Always	10 k or higher

Fig 2: Disconnecting Radio & Navigation Assembly Connector R11 & Television Display Assembly Connector R18

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: GO TO NEXT STEP.

REPLACE TELEVISION DISPLAY ASSEMBLY
1. Replace the television display assembly and check if the navigation system operates normally.
  OK:
  
  The navigation system operates normally.
OK: NORMAL OPERATION

NG: REPLACE RADIO AND NAVIGATION ASSEMBLY