Eclipse RS L4-2350cc 2.4L SOHC MFI (2002)
STEP 1. Use scan tool to select "ECU CHECK" on the SWS monitor display.
Check the following ECUs:
-
Column-ECU
-
Front-ECU
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. When the ignition switch is turned to the "ON" position, scan tool MB991502 should show "OK" on the "ECU CHECK" menu.
Q: Are "OK" displayed on the "COLUMN ECU" and "FRONT ECU" menu?
"OK" are displayed for all the items : Go to Step 2.
"NG" is displayed on the "COLUMN ECU" menu : "NG" is displayed on the "COLUMN ECU" menu: Refer to Inspection Procedure A-2
"Communication with column switch (column-ECU) is impossible."
"NG" is displayed on the "FRONT ECU" menu : "NG" is displayed on the "FRONT ECU" menu: Refer to Inspection procedure A-4
"Communication with front- ECU is impossible."
STEP 2: Check the input signal by using service data of the SWS monitor.
Check the input signals from the following switches:
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Ignition switch: ACC
-
Windshield wiper switch: INT
