DESCRIPTION There may be an open circuit in one of the CAN main bus lines when the resistance between terminals 6 (CA3H) and 21 (CA3L) of the central gateway ECU (network gateway ECU) is 70 Ω or higher.
This malfunction is not related to the lines of a CAN branch or to ECUs or sensors connected to a CAN branch. WIRING DIAGRAM CAUTION / NOTICE / HINT CAUTION: When performing the confirmation driving pattern, obey all speed limits and traffic laws. NOTICE:
HINT:
PROCEDURE
(a) Disconnect the cable from the negative (-) battery terminal. (b) Disconnect the G95 No. 4 CAN junction connector. (c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
(a) Reconnect the G95 No. 4 CAN junction connector. (b) Disconnect the G52 central gateway ECU (network gateway ECU) connector.
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Electronically Controlled Brake System(for Hv Model): Deceleration Sensor Internal Circuit (C1419,C1435)
DESCRIPTION The airbag ECU assembly has a built-in yaw rate and acceleration sensor and detects the vehicle condition using 2 circuits (GL1, GL2). If an internal malfunction signal from the yaw rate and acceleration sensor (airbag ECU assembly) is detected by the skid control ECU (brake booster with ...