Yaw Rate Sensor Communication Stop Mode: Procedure
- CHECK CAN BUS WIRE FOR DISCONNECTION (YAW RATE SENSOR BRANCH WIRE)
- Turn the power switch off.
- Disconnect the yaw rate sensor connector.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
TEXT IN ILLUSTRATION*1 Front view of wire harness connector
(to Yaw Rate Sensor) - Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Switch Condition Specified Condition L12-3 (CANH) - L12-2 (CANL) Power switch off 54 to 69 Ω
NG → REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (YAW RATE SENSOR BRANCH WIRE)
OK: Go to next step
- CHECK HARNESS AND CONNECTOR (POWER SOURCE TERMINAL)
- Turn the power switch on (IG).
- Measure the voltage according to the value(s) in the table below.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Standard Voltage
Tester Connection Switch Condition Specified Condition L12-4 (IG) - Body ground Power switch on (IG) 11 to 14 V TEXT IN ILLUSTRATION*1 Front view of wire harness connector
(to Yaw Rate Sensor)
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)
OK: Go to next step
- CHECK HARNESS AND CONNECTOR (GROUND TERMINAL)
- Turn the power switch off.
- Measure the resistance according to the value(s) in the table below.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Standard Resistance
Tester Connection Condition Specified Condition L12-1 (GND) - Body ground Always Below 1 Ω TEXT IN ILLUSTRATION*1 Front view of wire harness connector
(to Yaw Rate Sensor)
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR (GROUND CIRCUIT)
OK → See step 4
- REPLACE YAW RATE SENSOR. Refer to REMOVAL