Eclipse V6-3.0L SOHC (2003)
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Check if scan tool MB991502 sounds or not.
Q: Does scan tool MB991502 sound when the driver's side seat belt is fastened?
YES: Go to Step 4.
NO: Refer to Inspection Procedure P-3 "ETACS-ECU does not receive a signal from the driver's side seat belt switch."
STEP 4. Check at ETACS-ECU connector C-118 in order to check the ground circuit to the seat belt warning light.
1. Disconnect ETACS-ECU connector C-118, and measure at the wiring harness side.
2. Turn the ignition switch to the "ON" position.
3. Connect terminal 73 to ground.
Q: Does the seat belt warning light illuminate?
YES: Replace the ETACS-ECU. Check that the seat belt warning light illuminates normally.
NO: Go to Step 5.
STEP 5. Check the seat belt warning light bulb.
Q: Is the seat belt warning light bulb in good condition?
YES: Go to Step 6.
NO: Replace the bulb. Check that the seat belt warning light illuminates normally.
