Hyundai Accent: ECM Problem Inspection Procedure
Fourth generation RB (2010–present) / Hyundai Accent 2010-2019 Service Manual / Engine Control/Fuel System / Engine Control System / Engine Control Module (ECM). Repair procedures / ECM Problem Inspection Procedure
Fourth generation RB (2010–present) / Hyundai Accent 2010-2019 Service Manual / Engine Control/Fuel System / Engine Control System / Engine Control Module (ECM). Repair procedures / ECM Problem Inspection Procedure
| 1. |
TEST ECM GROUND CIRCUIT: Measure resistance between
ECM and chassis ground using the backside of ECM harness connector as
ECM side check point. If the problem is found, repair it.
|
| 2. |
TEST ECM CONNECTOR: Disconnect the ECM connector
and visually check the ground terminals on ECM side and harness side
for bent pins or poor contact pressure. If the problem is found, repair
it.
|
| 3. |
If problem is not found in Step 1 and 2, the ECM
could be faulty. If so, make sure there were no DTC's before swapping
the ECM with a new one, and then check the vehicle again. If DTC's were
found, examine this first before swapping ECM.
|
| 4. |
RE-TEST THE ORIGINAL ECM: Install the original ECM
(may be broken) into a known-good vehicle and check the vehicle. If
the problem occurs again, replace the original ECM with a new one. If
problem does not occur, this is intermittent problem (Refer to “Intermittent
Problem Inspection Procedure” in Basic Inspection Procedure).
|
Installation
When replacing the ECM, the vehicle equipped with
the immobilizer must be performed procedure as below.
[In the ...
See also:
Schematic Diagrams
Circuit Diagram
...
Engine compartment
* The actual engine room in the vehicle may differ from the illustration.
1. Engine coolant reservoir
2. Windshield washer fluid reservoir
3. Radiator cap
4. Engine oil filler cap
5. Engine oil ...
Removal
1.
Turn the ignition switch OFF and disconnect the battery
negative (-) cable.
2.
Lift the vehicle.
3.
Rem ...
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