Lancer L4-2.4L SOHC (2005)
DIAGNOSIS
Required Special Tools:
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MB991223: Harness Set
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MB991958: Scan Tool (MUT-III Sub Assembly)
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MB991824: Vehicle Communication Interface (V.C.I.)
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MB991827: MUT-III USB Cable
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MB991911: MUT-III Main Harness B
STEP 1. Check hazard warning light switch connector C-03 for loose, corroded or damaged terminals, or terminals pushed back in the
connector.
Q: Is hazard warning light switch connector C-03 in good condition?
YES: Go to Step 2.
NO: Repair or replace the damaged component(s). Refer to Harness Connector Inspection. If the equipment, which are described in "CIRCUIT
OPERATION", work normally, the input signal from the hazard warning light switch should be normal.
STEP 2. Check the hazard warning light switch.
Remove the hazard warning light switch. Then check continuity between the switch terminals.
Q: Is the hazard warning light switch in good condition?
YES: Go to Step 3.
NO: Replace the hazard warning light switch. If the equipment, which are described in "CIRCUIT OPERATION", work normally, the input signal
from the hazard warning light switch should be normal.
STEP 3. Check the ground circuit to the hazard warning light switch. Measure the resistance at hazard warning light switch connector C-03.
