Eclipse RS L4-2350cc 2.4L SOHC MFI (2002)
STEP 13. Check the wiring harness between luggage compartment light connector F-21 and ETACS-ECU connector C-118.
NOTE: Also check intermediate connector C-90. If intermediate connector C-90 is damaged, repair or replace the connector as described in Harness
Connector Inspection.
Q: Is the wiring harness between luggage compartment light connector F-21 and ETACS-ECU connector C-118 in good condition?
YES: Go to Step 14.
NO: Repair the wiring harness. Check that the luggage compartment lights illuminate normally.
STEP 14. Check the input signal by using the Pulse check.
Check the input signal of the liftgate latch switch <vehicles with theft-alarm system> or liftgate light switch <vehicles without theft-alarm system>.
CAUTION: To prevent damage to scan tool MB991502, always turn the ignition switch to the "LOCK" (OFF) position before connecting or
disconnecting scan tool MB991502.
1. Connect scan tool MB991502 to the data link connector.
2. 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 15. Check the trunk light bulb.