Eclipse RS L4-2350cc 2.4L SOHC MFI (2002)
3. Select "ETACS-ECU" (DATA LIST), and check that normal conditions are displayed on the items described in the table.
Q: The scan tool shows the respective normal condition for item "DR DOOR SW" and "PASS DOOR SW."
YES: Replace the ETACS-ECU. If the functions, which are described in "CIRCUIT OPERATION", work normally, the input signal from the
driver's or the front passenger's door switch should be normal.
NO:
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The scan tool does not show the respective normal condition for item "DR DOOR SW." Go to Step 2.
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The scan tool does not show the respective normal condition for item "PASS DOOR SW." Go to Step 6.
STEP 2. Check the driver's door switch.
Remove the Driver's door switch. Then check the continuity between the switch terminals and the switch body.
Q: Is the driver's door switch in good condition?
YES: Go to Step 3.
NO: Replace the driver's door switch. If the functions, which are described in "CIRCUIT OPERATION", work normally, the input signal from the
driver's door switch should be normal.
STEP 3. Measure at the lower metal part of the driver's door switch in order to check the ground circuit to the driver's door switch.
NOTE: Check that the driver's door switch is grounded to the vehicle body by means of its mounting screw. Remove the cap, and measure the
resistance value between the lower metal part and the ground.
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The measured value should be 2 ohm or less.
Q: Does the measured resistance value correspond with this range?
