Lancer LS L4-2.0L SOHC (2002)
STEP 1. Measure at ETACS-ECU connector C-226 in order to check the battery power supply circuit to the ETACS- ECU.
1. Disconnect ETACS-ECU connector C-226, and measure at the junction block side.
2. Measure the voltage between terminal 20 and ground.
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The measured value should be approximately 12 volts (battery positive voltage).
Q: Does the measured voltage correspond with this range?
YES: Go to Step 4.
NO: Go to Step 2.
STEP 2. Check ETACS-ECU connector C-226 for damage.
Q: Is ETACS-ECU connector C-226 in good condition?
YES: Go to Step 3.
NO: Repair or replace the connector. Refer to Harness Connector Inspection. The system should communicate with the ETACS-ECU normally.
