Inspection Procedure
- DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
- Disconnect the cable from the negative (-) battery terminal before measuring the resistances of the main wire and the branch wire.
CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system. - CHECK FOR OPEN IN CAN BUS WIRE (YAW RATE SENSOR BRANCH WIRE)
- Disconnect the E50 yaw rate sensor connector.
- Measure the resistance according to the value (s) in the table below.
Standard Resistance
STANDARD RESISTANCE SPECIFICATIONTester Connection Switch Condition Specified Condition E50-3 (CANH) - E50-2 (CANL) Engine switch off 54 to 69 Ω NG: REPAIR OR REPLACE YAW RATE SENSOR BRANCH WIRE OR CONNECTOR (CANH, CANL)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
OK: Go to Next Step
- CHECK HARNESS AND CONNECTOR (YAW RATE SENSOR - BATTERY AND BODY GROUND)
- Connect the cable to the negative (-) battery terminal.
- Disconnect the E50 yaw rate sensor connector.
- Measure the resistance according to the value (s) in the table below.
Standard Resistance
STANDARD RESISTANCE SPECIFICATIONTester Connection Condition Specified Condition E50-1 (GND) - Body ground Always Below 1 Ω - Measure the voltage according to the value (s) in table below.
Standard Voltage
STANDARD VOLTAGE SPECIFICATIONTester Connection Switch Condition Specified Condition E50-4 (IG) - Body ground Engine switch on (IG) 11 to 14 V NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
OK: REPLACE YAW RATE SENSOR ASSEMBLY (See REMOVAL )