Eclipse L4-2.4L SOHC (2004)
NO: Refer to Inspection Procedure K-1 "Turn-signal lights does not flash when the turn-signal light switch is turned on."
STEP 2. Check the input signal (by using the Pulse check mode of the monitor).
Check input signal from the hazard warning light switch.
CAUTION: To prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or
disconnecting scan tool MB991958.
1. Connect scan tool MB991958 to the data link connector.
2. Operate scan tool MB991958 according to the procedure below to display "Pulse check."
a. Select "Interactive Diagnosis."
b. Select "System select."
c. Select "SWS."
d. Select "Pulse Checking."
3. Check that scan tool MB991958 sounds when the hazard warning light switch is turned from "OFF" to "ON."
Q: Does scan tool MB991958 sound when the hazard warning light switch is turned from "OFF" to "ON"?
YES: Replace the ETACS-ECU.Check that the hazard warning lights illuminate normally.
NO: Refer to Inspection Procedure P-2 "ETACS-ECU does not receive a signal from the hazard warning light switch".
Inspection Procedure K-3
Flasher Timer: The Right or Left Turn-signal Light does not Illuminate.