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 NETWORK GATEWAY ECU
- Disconnect the network gateway ECU connector G3.
- Measure the resistance according to the value(s) in the table below.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Standard:
NETWORK GATEWAY ECU CONNECTOR TERMINALS RESISTANCETester connection Condition Specified condition GND - Body ground Always Below 1 Ω CG - Body ground Always Below 1 Ω - Measure the voltage according to the value(s) in the table below.
Standard:
NETWORK GATEWAY ECU CONNECTOR TERMINALS VOLTAGETester connection Condition Specified condition BATT - GND Always 10 to 14 V ACC - GND Ignition SW ACC 10 to 14 V IG - GND Ignition SW ON 10 to 14 V
- NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
- OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN DIAGNOSTIC TROUBLE CODE CHART