Lancer Sportback L4-2.4L (4B12) (2010)
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STEP 4. Check ETACS-ECU connector C-315 and cigarette lighter connector C-43 for loose, corroded or damaged terminals, or terminals
pushed back in the connector
Q: Is ETACS-ECU connector C-315 and cigarette lighter connector C-43 in good condition?
YES : Go to Step 5.
NO : Repair the defective connector.
STEP 5. Check the power supply circuit to the cigarette lighter. Measure the voltage at cigar lighter connector C-43.
1. Disconnect the connector, and measure at the wiring harness-side connector.
2. Turn the ignition switch to the ACC position.
3. Measure the voltage between cigarette lighter connector C-43 terminal No.2 and ground.
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The voltage should measure approximately 12 volts (battery positive voltage).
Q: Is the measured voltage approximately 12 volts (battery positive voltage)?
YES : Go to Step 7.
NO : Go to Step 6.
STEP 6. Check the wiring harness between cigarette lighter connector C-43 terminal No.2 and ETACS-ECU connector C-315 terminal No.3.
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Check the power supply lines (battery power supply) for open circuit and short circuit.
Q: Is the wiring harness between cigarette lighter connector C-43 terminal No.2 and ETACS-ECU connector C-315 terminal No.3 in good condition?
YES : Go to Step 7.
NO : Repair the wiring harness.
STEP 7. Check the ground circuit to the cigarette lighter. Measure the resistance at cigarette lighter connector C-43.
1. Disconnect the connector, and measure the resistance available at the wiring harness side of the connector.
2. Measure the resistance value between cigarette lighter connector C-43 terminal No.1 and ground.
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The resistance should be 2 ohms or less.
Q: Is the measured resistance 2 ohms or less?
YES : Go to Step 9.
NO : Go to Step 8.
STEP 8. Check the wiring harness between cigarette lighter connector C-43 terminal No.1 and the ground.
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Check the ground wires for open circuit.
Q: Is the wiring harness between cigarette lighter connector C-43 terminal No.1 and the ground in good condition?
YES : Go to Step 9.
NO : Repair the wiring harness.
STEP 9. Retest the system
Check that the cigarette lighter operates normally.
Q: Is the check result normal?
YES : The trouble can be an intermittent malfunction. (Refer to How to use Troubleshooting/inspection sevice points - How to cope with
Intermittent Malfunction).
NO : Replace the cigar lighter.