DTC B2350: Lighting Switch Malfunction; DTC B2351: Wiper/Washer Switch Malfunction: Diagnosis

WARNING: This page is about a different car, the 2014 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.

STEP 1. Using scan tool (M.U.T.-III), Check whether the diagnostic trouble code is stored again.
CAUTION: To prevent damage to scan tool (M.U.T.-III), always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool (M.U.T.-III).
1. Connect scan tool (M.U.T.-III). Refer to "HOW TO CONNECT SCAN TOOL (M.U.T.-III) ."
2. Turn the ignition switch to the "ON" position.
3. Erase the DTC.
4. Turn the ignition switch from "LOCK" (OFF) position to "ON" position.
5. Check if the DTC B2350 or B2351 is stored.
Q: Is the DTC stored?

DTC B2351 is stored.: Go to Step 3.

DTC B2350 is stored.: Go to Step 2.

No DTC is stored.: The trouble can be an intermittent malfunction (refer to HOW TO COPE WITH INTERMITTENT MALFUNCTIONS ).
STEP 2. Using scan tool (M.U.T.-III), Check whether the diagnostic trouble code is stored again.
Check again if the DTC is stored in the ETACS-ECU.
1. Replace the windshield wiper and washer switch.
2. Erase the DTC.
3. Turn the ignition switch from "LOCK" (OFF) position to "ON" position.
4. Check if DTC is stored.
Q: Is the DTC stored again?
- YES: Go to Step 3.
- NO: The diagnosis is complete.
STEP 3. Using scan tool (M.U.T.-III), Check whether the diagnostic trouble code is stored again.
Check again if the DTC is stored in the ETACS-ECU.
1. Replace the lighting switch (with built-in column-ECU).
2. Erase the DTC.
3. Turn the ignition switch from "LOCK" (OFF) position to "ON" position.
4. Check if DTC is stored.
Q: Is the DTC stored again?
- YES: Replace the ETACS-ECU.
- NO: The diagnosis is complete.