4 Runner 2WD V6-4.0L (1GR-FE) (2006)
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Additional TIS Techstream units may be ordered by calling Approved Dealer Equipment (ADE).
Repair Procedure
1. Using TIS Techstream clear the stored DTCs.
2. Using TIS Techstream perform the Automatic EVAP System Check. System Select > Engine and ECT > Utility > EVAP System
If P0455 and P0441 or P0456 set go to step 3.
If DTC P0441 sets ALONE, this TSB does NOT apply - Refer to the Repair Manual for further diagnosis.
If the Automatic EVAP System Check fails to run, perform the following:
^
Turn the ignition key OFF.
^
Turn TIS Techstream OFF.
^
Turn the ignition key ON and TIS Techstream ON and restart the Automatic EVAP System Check.
3. Inspect the fuel cap.
Does it tighten properly?
^
YES - Proceed to step 4.
NO - Replace the fuel cap then proceed to step 5.
4. Inspect the EVAP system for the leak source.
Refer to the Technical Information System (TIS) applicable model year 4Runner Repair Manual:
Was the leak source isolated at the fuel cap to filler pipe sealing area?
^
YES - Replace the fuel cap then proceed to step 5.
^
NO - This TSB does NOT apply - Refer to the Repair Manual for further diagnosis.
5. Clear DTCs.
6. Perform the Automatic EVAP System Check and verify NO pending DTCs set.
System Select > Engine and ECT > Utility > EVAP System
