Camry Sedan L4-2.4L (2AZ-FE) (2003)
Check ECM
2. CHECK ECM
a. Check the voltage and continuity of each terminal of the wire harness side connectors.
NOTE:
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The check should be started from the backside of the ECM with the ECM connector being connected.
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Inspect the power source voltage (ignition switch ON: 10 - 14 V) and the body ground (ignition switch OFF: below 5 Ohm (each ground
terminal engine ground, body ground)) before the check.
Standard:
If the result is not as specified, the ECM may malfunction.
b. Using an oscilloscope, inspect.
NOTE: The waveform provided on this text does not include noise and chattering.
HINT: If the result is not as specified, the ECM may malfunction.