Inspection Procedure

WARNING: This page is about a different car, the 2007 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

CHECK WIRE HARNESS (TELEVISION DISPLAY - VIDEO TERMINAL)

Disconnect the L16 display connector.
Disconnect the L5 terminal connector.
Measure the resistance of the wire harness side connectors.

Standard resistance

STANDARD RESISTANCE SPECIFICATIONS

Tester Connection	Specified Condition
L16-7 (R1+) - L5-1 (VAR+)	Below 1 Ω
L16-8 (L1+) - L5-2 (VAL+)	Below 1 Ω
L16-23 (SGND) - L5-3 (VA-)	Below 1 Ω
L16-24 (ADPG) - L5-8 (ADPG)	Below 1 Ω
L16-7 (R1+) - Body ground	10 kΩ or higher
L16-8 (L1+) - Body ground	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

Fig 1: Identifying L16 Display And L5 Terminal Connector

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OK: GO to next step

CHECK VIDEO TERMINAL

Using an oscilloscope, check the signal waveform between each terminal and body ground according to the conditions shown in the table below.

TESTER CONNECTION AND SPECIFIED CONDITION

Tester Connection	Condition	Specified Condition
L5-1 (VAR+) - Body ground	External device system is playing, sound is being produced	Waveform synchronized with sound is output
L5-2 (VAL+) - Body ground	External device system Is playing, sound is being produced	Waveform synchronized with sound is output

NG: REPLACE VIDEO TERMINAL

Fig 2: Checking Video Terminal

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