CAUTION / NOTICE / HINT HINT:
PROCEDURE
(a) Measure the voltage of the battery. Standard Voltage: 11 to 14 V If the voltage is below 11 V, recharge or replace the battery before proceeding.
(a) Check the ECUs connected to the CAN bus. Click here
(a) Check for and write down any DTCs and Freeze Frame Data. for DTC Check / Clear: Click here for Freeze Frame Data: Click here
(b) Clear the DTCs and Freeze Frame Data. for DTC Check / Clear: Click here
for Freeze Frame Data: Click here
(c) Recheck for DTCs. Chassis > Air suspension > Trouble Codes
(a) Refer to Terminals of ECU. Click here
(b) Refer to Data List / Active Test. Click here
(a) Proceed to Diagnostic Trouble Code Chart. Click here
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Electronically Controlled Brake System(for Hv Model): Open Circuit in ABS Motor Relay Circuit (C146C,C146D)
DESCRIPTION The ABS motor relay is built into the brake booster with master cylinder assembly. During ABS, TRAC, VSC, brake hold, secondary collision brake or brake assist operation, the skid control ECU (brake booster with master cylinder assembly) turns on the ABS motor relay to run the pump motor ...
