Eclipse V6-3.0L SOHC (2003)
beam) illuminate normally.
Inspection Procedure J-4
Headlight, Tail Light: When The Passing Switch Is Turned "ON", The Headlights (Low-beam Or High-beam) Do Not Illuminate.
NOTE: This troubleshooting requires use of scan tool MB991502 and SWS monitor kit MB991862. For details of how to use the SWS monitor, refer
to "How to use SWS monitor."
TECHNICAL DESCRIPTION (COMMENT)
If both of the headlights (low-beam and high-beam) do not illuminate, the input circuit from the passing switch or the front-ECU may be defective.
TROUBLESHOOTING HINTS
-
Malfunction of the column switch
-
Malfunction of the front-ECU
-
Damaged harness wires or connectors
DIAGNOSIS
Required Special Tools:
-
MB991223: Test Harness Set
-
MB991502: Scan Tool (MUT-II)
-
MB991862: SWS Monitor Kit
STEP 1. Check the headlights.
Q: Do the headlights (low-beam and high-beam) illuminate normally?
YES: Go to Step 2.
NO:
-
Headlights (low-beam) do not illuminate normally:
Refer to Inspection Procedure J-2 "Headlights (low-beam) do not illuminate normally."
-
Headlights (high-beam) do not illuminate normally:
Refer to Inspection Procedure J-3 "Headlights (high-beam) do not illuminate normally."
STEP 2. Check the input signal by using "DATA LIST" of the SWS monitor.
Turn the passing switch to the "ON" position before checking input signals from the passing switch.
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. Also connect SWS monitor kit MB991862 after turning on scan tool MB991502.
1. Connect scan tool MB991502 to the data link connector.
2. Connect SWS monitor kit MB991862 to the column switch connector.
3. Operate the MUT-II according to the procedure below to display "COLUMN ECU."
1. Select "SYSTEM SELECT."
2. Select "SWS."
3. Select "SWS MONITOR."
4. Select "DATA LIST."
5. Select "COLUMN ECU."
