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:
Instrument panel fuse replacement
1. Turn the ignition switch and all other switches off.
2. Open the fuse panel cover.
3. Pull the suspected fuse straight out. Use the removal tool provided in the
engine compartment fuse pane ...
Removal
Passenger Compartment Junction Box
1.
Disconnect the negative(-) battery terminal.
2.
Remove the crash pad lower panel.
(Refer to t ...
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