Toyota Venza: Check For Intermittent Problems

Toyota Venza Service Manual / 1ar-fe Engine Control / Sfi System / Check For Intermittent Problems

CHECK FOR INTERMITTENT PROBLEMS

HINT:

Inspect the 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 (See page ).

Switch the ECM from normal mode to check mode using the Techstream (See page ).

Perform a simulation test.
Check and wiggle the harness(es), connector(s) and terminal(s).

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