Eclipse RS L4-2350cc 2.4L SOHC MFI (2002)
NO: Repair or replace the connector. Refer to Harness Connector Inspection. The system should communicate with the front-ECU normally.
STEP 4. Check the wiring harness between front-ECU connector A-10X and the battery.
Q: Is the wiring harness between front-ECU connector A-10X and the battery in good condition?
YES: No action to be taken.
NO: Repair the wiring harness. The system should communicate with the front-ECU normally.
STEP 5. Measure at front-ECU connector A-11X in order to check the ground circuit to the front-ECU.
1. Disconnect front-ECU connector A-11X, and measure at the relay box side.
2. Measure the resistance value between terminal 31 and ground.
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The measured value should be 2 ohm or less.
Q: Does the measured resistance value correspond with this range?
YES: Go to Step 8.
NO: Go to Step 6.
STEP 6. Check the front-ECU connector A-11X for damage.
Q: Is front-ECU connector A-11X in good condition?
YES: Go to Step 7.
