Lancer L4-2.0L SOHC (2004)
STEP 3. Check driver's door switch connector D-18 for loose, corroded or damaged terminals, or terminals pushed back in the connector.
Q: Are driver's door switch connector D-18 in good condition?
YES: Go to Step 4.
NO: Repair or replace the damaged component(s). Refer to Harness Connector Inspection. If the functions, which are described in "CIRCUIT
OPERATION", work normally, the input signal from the driver's door switch should be normal.
STEP 4. Check the driver's door switch.
Remove the driver's door switch. Then check the continuity between the switch terminals.
Q: Is the driver's door switch in good condition?
YES: Go to Step 5.
NO: Replace the front door switch (LH). If the functions, which are described in "CIRCUIT OPERATION", work normally, the input signal from the
driver's door switch should be normal.
