Eclipse RS L4-2350cc 2.4L SOHC MFI (2002)
Windshield Intermittent Wiper Interval Adjusting Knob Circuit
TECHNICAL DESCRIPTION (COMMENT)
If the windshield intermittent wiper interval is not changed according to the vehicle speed, the ETACS-ECU or the front-ECU may be defective.
TROUBLESHOOTING HINTS
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Malfunction of the ETACS-ECU
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Malfunction of the front-ECU
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Damaged harness wires or connectors
DIAGNOSIS
Required Special Tools:
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MB991223: Test Harness Set
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MB991502: Scan Tool (MUT-II)
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MB991862: SWS Monitor Kit
STEP 1. Check the input signal (by using the Pulse check).
Check the input of the vehicle speed signal:
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. Check that scan tool MB991502 sounds when the vehicle speed exceeds 10 km/h (6.2 mph).
Q: Does scan tool MB991502 sound when the vehicle speed exceeds 10 km/h (6.2 mph)?
YES: Go to Step 2.
NO: Refer to Inspection Procedure P-11 "vehicle speed signal is not input to ETACS-ECU <M/T>", or Inspection Procedure P-12 "vehicle
speed signal is not input to ETACS-ECU <A/T>".