Inspection Procedure
WARNING: This page is about a different car, the 2005 Lexus RX 330. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT RADIO RECEIVER ASSY
- Measure the resistance according to the value(s) in the table below.
Standard:
RADIO RECEIVER ASSY TERMINALS RESISTANCETester connection Condition Specified condition TX+ - TX- Always 60 to 80 Ω
- NG: REPLACE RADIO RECEIVER ASSY (SEE RADIO RECEIVER ASSY )
- OK: Go to next step.
- Measure the resistance according to the value(s) in the table below.
- CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY - RADIO RECEIVER ASSY)
- Disconnect the radio receiver assy connector R3 and multi-display connector M5.
- Measure the resistance according to the value(s) in the table below.
Standard:
RADIO RECEIVER ASSY CONNECTOR AND MULTI-DISPLAY CONNECTOR TERMINALS RESISTANCETester connection Condition Specified condition TX+ - TX+ Always Below 1 Ω TX- - TX- Always Below 1 Ω TX+ - Body ground Always 10 kΩ or higher TX- - Body ground Always 10 kΩ or higher Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
- OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN DIAGNOSTIC TROUBLE CODE CHART