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CHECK FOR INTERMITTENT PROBLEMS HINT: Inspect the vehicle's ECM using check mode. Intermittent problems are easier to detect with the Techstream 1. Clear the DTCs (see DTC CHECK/CLEAR ). 2. Switch the ECM from normal mode to check mode using the Techstream (see CHECK MODE PROCEDUREdd ). 3. Perform a simulation test. 4. Check and wiggle the harness(es), connector(s) and terminal(s). BASIC INSPECTION When a malfunction is not confirmed by the DTC check, troubleshooting should be carried out in all circuits 1. CHECK BATTERY VOLTAGE Result RESULT REFERENCE NG: CHARGE OR REPLACE BATTERY OK: Go to next step. 2. CHECK WHETHER ENGINE WILL CRANK NG: PROCEED TO PROBLEM SYMPTOMS TABLE OK: Go to next step. 3. CHECK WHETHER ENGINE STARTS NG: GO TO STEP 6 NOTE: Conduct this check with the engine stopped and ignition switch off. Result Proceed to 11 V or more OK Below 11 V NG
2009 Toyota Tundra 2009 ENGINE PERFORMANCE Engine Control System (3UR-FBE) - Tundra
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