CAUTION / NOTICE / HINT HINT: Use these procedures to troubleshoot the heated steering wheel system. PROCEDURE
(a) Measure the auxiliary battery voltage with the power switch off. Standard voltage: 11 to 14 V (Power switch off) If the voltage is below 11 V, replace or recharge the auxiliary battery before proceeding to the next step.
HINT: Refer to Problem Symptoms Table. Click here
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Sfi System: Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS HINT: Inspect the vehicle ECM using check mode. Intermittent problems are easier to detect with the Techstream when the ECM is in check mode. In check mode, the ECM uses 1 trip detection logic, which is more sensitive to malfunctions than normal mode (default), which ...
