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6. CHECK WHETHER DTC OUTPUT RECURS
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Clear the DTCs.
(e) Start the engine and idle it for 10 seconds or more.
(f) Enter the following menus: Powertrain / Engine / Trouble Codes / Pending.
(g) Read the DTCs.
RESULT PROCEED TO
No DTC is output (A)
P0340, P0342 or P0343 is output (B)
If the engine does not start, replace the ECM.
(B) REPLACE ECM