DESCRIPTION Troubleshooting for when ABS operates too soon due to a noisy signal from the speed sensor, a difference in output, etc. PROCEDURE
(a) Using the Techstream, perform a Test Mode (Signal Check) inspection sensor check and check that speed sensor Test Mode (Signal Check) inspection items change from incomplete to complete. Click here
OK: Speed sensor Test Mode (Signal Check) inspection items change from incomplete to complete.
NOTICE:
HINT: The rear speed sensor and rear speed sensor rotor are incorporated into the rear axle hub and bearing assembly. If the rear speed sensor and rear speed sensor rotor need to be replaced, replace the rear axle hub and bearing assembly.
|
Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Occupant Classification System(for Hv Model): Yaw Rate Sensor Module Malfunction (B1798,B1799)
DESCRIPTION The occupant detection ECU receives signals from the acceleration sensor (airbag ECU assembly) and skid control ECU (brake booster with master cylinder assembly) via CAN communication. DTC No. Detection Item DTC Detection Condition Trouble Area B1798 Yaw Rate Sensor Module Malfunction Ac ...