DTC    P1633    ECM Malfunction (ETCS Circuit)

for Preparation Click here


DESCRIPTION


P1633 
DTC Detection Drive Pattern
DTC Detection Condition
Trouble Area
Engine idling for 30 seconds or more
ECM internal error
(1 trip detection logic)
ECM

INSPECTION PROCEDURE

NOTICE:
When replacing the ECM, the ECM needs Registration and Initialization (Click here).

1.REPLACE ECM

  1. Replace the ECM (Click here).


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2.CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED

  1. Connect the intelligent tester to the DLC3.

  1. Clear the DTCs (Click here).

  1. Turn the ignition switch off and wait for 30 seconds or more.

  1. Start the engine and wait for 30 seconds or more.

  1. Enter the following menus: Powertrain / Engine and ECT / DTC.

  1. Confirm that the DTC is not output again.


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