Inspection Procedure
WARNING: This page is about a different car, the 2007 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK CAN BUS LINE FOR DISCONNECTION (YAW RATE SENSOR BRANCH WIRE)
- Disconnect the Y1 yaw rate sensor connector.
- Measure the resistance of the wire harness side connector.
Standard resistance
TESTER CONNECTION - SPECIFIED CONDITIONTester Connection Condition Specified Condition Y1-2 (CANL) - Y1-3 (CANH) Power switch OFF 54 to 69 Ω
NG : REPLACE YAW RATE SENSOR BRANCH WIRE AND CONNECTOR (CANH, CANL)
OK : GO TO NEXT STEP
- CHECK WIRE HARNESS (YAW RATE SENSOR - BATTERY AND BODY GROUND)
- Measure the resistance of the wire harness side connector.
Standard resistance
TESTER CONNECTION - SPECIFIED CONDITIONTester Connection Specified Condition Y1-1 (GND) - Body ground Below 1 Ω - Measure the voltage of the wire harness side connector.
Standard voltage
TESTER CONNECTION - SPECIFIED CONDITIONTester Connection Condition Specified Condition Y1-5 (IG)- Body ground Power switch ON (IG) 10 to 14 V
NG : REPAIR OR REPLACE HARNESS AND CONNECTOR
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
OK : REPLACE YAW RATE SENSOR
- Measure the resistance of the wire harness side connector.