Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Check For Intermittent Problems

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Engine / 2gr-fks Engine Control / 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 uses 2 trip detection logic.

Clear the DTCs.
Click here
Switch the ECM from normal mode to check mode using the Techstream.
Click here
Perform a simulation test.
Click here
Check and wiggle the harness(es), connector(s) and terminal(s).
Click here

Brake Override System

Check Mode Procedure

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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Can Communication System(for Gasoline Model): Headlight ECU RH Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Headlight ECU RH Communication Stop Mode Any of the following conditions are met: Communication stop for "HL AutoLeveling/AFS/AHS (Sub)" is indicated on the "Communication Bus Check" screen of the Techstream. Click here Communication stop history for " ...

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Check For Intermittent Problems

Brake Override System

Check Mode Procedure

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Toyota Avalon (XX50) 2019-2022 Owners Manual

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual