Inspection INSPECTION PROCEDURE 1. INSPECT TORQUE CONVERTER ASSEMBLY (a) Inspect the one-way clutch. Press on the splines of the stator with a finger and rotate it. Check that it rotates smoothly when turned clockwise and rotates with difficulty when turned counterclockwise.
If necessary, clean the torque converter assembly and recheck the one-way clutch. Replace the torque converter assembly if the one-way clutch still fails the inspection.
(c) Replace the ATF in the torque converter assembly. HINT: If the ATF is discolored or has a foul odor, stir the ATF in the torque converter assembly and drain it before replacing the ATF.
2. INSPECT DRIVE PLATE AND RING GEAR SUB-ASSEMBLY (a) Check the drive plate and ring gear sub-assembly for damage.
(b) Set up a dial indicator and measure the runout at the 6 areas on the drive plate and ring gear sub-assembly surface that contact the torque converter clutch assembly. Maximum Runout: 0.30 mm (0.0118 in.) HINT:
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Lighting System(for Gasoline Model): Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE: Before replacing the main body ECU (multiplex network body ECU) or certification ECU (smart key ECU assembly), refer to Registration. HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes ...