Toyota RAV4 manuals

Toyota RAV4 Service Manual: Check for intermittent problems

Toyota RAV4 Service Manual / 2Az-fe engine mechanical / Sfi system / Check for intermittent problems

Hint:

Inspect the vehicle's ecm using check mode. Intermittent problems are easier to detect with the intelligent tester 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.

  1. Clear the dtcs (see page es-35).
  2. Switch the ecm from normal mode to check mode using the intelligent tester (see page es-38).
  3. Perform a simulation test.
  4. Check and wiggle the harness(es), connector(s) and terminal(s).
How to proceed with troubleshooting
Hint: *: Use the intelligent tester. Hint: If the display indicates a communication fault in the tester, inspect the dlc3. Hint: Record or print dtcs and freeze frame data, if necessary. ...

Basic inspection
When a 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 carrying out the basic ...

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