Inspection Procedure
WARNING: This page is about a different car, the 2007 Lexus GX 470. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK CAN BUS LINE FOR DISCONNECTION (YAW RATE SENSOR SUB BUS LINE)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- Turn the ignition switch to the LOCK position.
- Disconnect the yaw rate sensor connector (Y1).
- Measure the resistance according to the value(s) in the table below.
Standard resistance
RESISTANCE SPECIFICATION TABLETester connection Condition Specified value Y1-2 (CANL) - Y1-3 (CANH) - IG switch OFF
- Stop light switch OFF
54 to 69 Ω NG: REPAIR OR REPLACE YAW RATE SENSOR SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)
OK: Go to next step
- CHECK WIRE HARNESS (IG, GND)
- Measure the resistance according to the value(s) in the table below.
Standard resistance
RESISTANCE SPECIFICATION TABLETester connection Condition Specified value Y1-1 (GND) - Body ground Always Below 1 Ω - Measure the voltage according to the value(s) in the table below.
Standard voltage
VOLTAGE SPECIFICATION TABLETester connection Condition Specified value Y1-5 (IG) - Body ground IG switch ON 10 to 14 V NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: REPLACE YAW RATE SENSOR
- Measure the resistance according to the value(s) in the table below.