Inspection Procedure
WARNING: This page is about a different car, the 2005 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT RADIO AND NAVIGATION ASSY
- Disconnect the radio and navigation assy connector R14.
- Measure the resistance according to the value(s) in
RADIO AND NAVIGATION ASSY RESISTANCE .
Standard:
RADIO AND NAVIGATION ASSY RESISTANCETester connection Condition Specified condition TXM+ - TXM- Always 60 to 80 Ω Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- NG: REPLACE RADIO AND NAVIGATION ASSY (SEE RADIO RECEIVER ASSY )
- OK: GO TO NEXT STEP
- CHECK HARNESS AND CONNECTOR (RADIO AND NAVIGATION ASSY - MULTI-DISPLAY CONTROLLER SUB-ASSY)
- Disconnect the radio and navigation assy connector R14 and multi-display controller sub-assy connector R26.
- Measure the resistance according to the value(s) in
Fig 2.
Standard:
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
RADIO AND NAVIGATION ASSY - MULTI-DISPLAY CONTROLLER SUB-ASSY RESISTANCETester connection Condition Specified condition TXM+ - TX3+ Always Below 1 Ω TXM- - TX3- Always Below 1 Ω TXM+ - Body ground Always 10 kΩ or higher TXM- - 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 TABLE