Kia Rio: 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 immobilizer
must be performed the procedure as below.
...
See also:
Brake Booster Operating Test
For simple checking of the brake booster operation, carry out the following
tests.
1.
Run the engine for one or two minutes, and then stop it. If the
pedal depresses ...
Installation
1.
Remove the ignition key from the vehicle.
2.
Disconnect the battery negative cable and wait for at least thirty
seconds.
...
Input Speed Sensor Removal
1.
Remove the battery and the battery tray.
(Refer to "Charging system" in EE group.)
2.
Remove the under cover (A).
...
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