Tacoma PreRunner L4-2.7L (2TR-FE) (2005)
a. Turn the ignition switch off and connect the hand-held tester to the DLC3.
b. Turn the ignition switch on. Follow the on-screen directions on the hand-held tester to display the DATA LIST and select areas which should be
monitored for momentary interruptions.
HINT: A momentary interruption (open circuit) cannot be detected for 3 seconds after the ignition switch is turned on (initial check).
HINT:
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If the hand-held tester status remains open, check the continuity between the ECU and the sensors, or between ECUs.
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The OPEN display on the hand-held tester remains on for 1 second after the harness signal changes from momentary interruption (open
circuit) to normal condition.