Hyundai Accent Manuals

Hyundai Accent: ECM Problem Inspection Procedure - Engine Control Module (ECM). Repair procedures - Engine Control System - Engine Control/Fuel SystemHyundai Accent: 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.

Specification: Below 1Ω

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 ...

ETC (Electronic Throttle Control) System. Description and Operation
...

See also:

Inhibitor Switch. Specifications
Specifications ▷ Type: Combination of output signals from 4 terminals Power supply (V) 12 Output type Combination of output signals ...

Front Body C ( 4Door )
Engine mounting bracket hole (Ø12) Battery tray leg bracket tooling hole (Ø12) Engine m ...

Interior F ( 5Door )
Seatbelt height adjust upper mounting hole (Ø15) Seatbelt height adjust lower mounting hole (Ø15) ...

Hyundai Accent Manuals


© 2011-2025 Copyright www.hamanual.com