Inspection Procedure

WARNING: This page is about a different car, the 2008 Lexus RX 350. 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 the table below.

Standard voltage

TESTER CONNECTION SPECIFIED CONDITION TABLE

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

Fig 1: Identifying R14 Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

NG: Go to Next step

CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - TELEVISION DISPLAY)

Disconnect the radio receiver connector R3 and television display assembly connector R14.

Fig 2: Identifying Harness & Connector (Radio Receiver - Television Display)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION TABLE

Tester connection	Condition	Specified condition
MUTE - MUTE	Always	Below 1 Ω
MUTE - Body ground	Always	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to Next step

INSPECT TELEVISION DISPLAY ASSEMBLY (OUTPUT SIGNAL)

Reconnect the television display assembly connector R14.

Fig 3: Identifying R14 Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

Standard voltage

TESTER CONNECTION SPECIFIED CONDITION TABLE

Tester connection	Condition	Specified condition
MUTE - Body ground	Turn ignition switch to ACC, RSE system is playing	Above 3.5 V

NG: REPLACE TELEVISION DISPLAY ASSEMBLY

OK: REPLACE RADIO RECEIVER