Kia Rio: ECM Problem Inspection Procedure
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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.
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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.
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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.
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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).
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When replacing the ECM, the vehicle equipped with immobilizer
must be performed the procedure as below.
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See also:
Specifications
Item
Specification
Power source
DC 14.4V (-) ground
Frequency range / Channel space
FM : 87.5 ~ 107.9 MHz / 200 K
AM : 530 ~ 1710 KHz / 10 K
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Immobilizer Control Unit Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad lower panel.
(Refer to the BD group - "Crash pad")
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Brake Booster Vacuum Pressure Sensor: Inspection
1.
Check installation status of BBVPS and Vacuum hose or damage of
vacuum hose.
2.
Connect GDS to DLC (Data Link Cable).
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Installation
