Inspection Procedure

1. Connect Techstream to the DLC3.
2. Turn the engine switch to ON.
3. Turn the tester ON.
4. Clear DTC (See DTC CHECK/CLEAR ).
5. Turn the engine switch to OFF and turn the tester OFF.
6. Disconnect the tester.
7. Disconnect the cable from the battery negative (-) terminal and wait for 1 minute.
8. Connect the cable to the battery negative (-) terminal.
9. Connect the tester to the DLC3.
10. Turn the engine switch to ON.
11. Turn the tester ON.
12. Select the following menu items: Powertrain / Engine / Trouble Codes.
13. Read DTCs.

    Result 

    RESULT CHART
    
    

    Result	Proceed to
    No output	A
    P1607	B

B: REPLACE ECM (See  REMOVAL  ) 

A: CHECK FOR INTERMITTENT PROBLEMS (See  CHECK FOR INTERMITTENT PROBLEMS  )