Eclipse V6-3.0L SOHC (2003)
1. Connect scan tool MB991502 to the data link connector.
2. Operate the MUT-II as follows:
1. Select "SYSTEM SELECT."
2. Select "SWS."
3. Select "PULSE CHECK."
3. When the liftgate is opened and closed, check if scan tool MB991502 sounds or not.
Q: When the liftgate is opened and closed, does scan tool MB991502 sound?
YES: Replace the ETACS-ECU. Check that the luggage compartment lights illuminate normally.
NO: Refer to Inspection Procedure P-9 "ETACS-ECU does not receive a signal from the liftgate latch switch."
STEP 18. Check the trunk light bulb.
Q: Is the luggage compartment bulb in good condition?
YES: Go to Step 19.
NO: Replace the bulb. Check that the trunk lights illuminate normally.
STEP 19. Measure at trunk light connector F-21 in order to check the ETACS-ECU line of the power supply to the trunk light.
1. Disconnect trunk light connector F-21, and measure at the wiring harness side.
2. Measure the voltage between terminal 1 and ground.
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The measured value should be approximately 12 volts (battery positive voltage).