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).

Basic Inspection

BASIC INSPECTION When the malfunction is not confirmed by the DTC check, troubleshooting should be carried out in all circuits considered to be possible causes of the problem. In many cases, by c ...

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REGISTRATION CAUTION / NOTICE / HINT NOTICE: The Vehicle Identification Number (VIN) must be input into the replacement ECM. HINT: The VIN is a 17-digit alphanumeric vehicle identification number ...

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