ECD SYSTEM, Diagnostic DTC:89

DTC Code DTC Name
89 ECM Malfunction (ECM Circuit)

DESCRIPTION

DTC No. DTC Detecting Condition Trouble Area
17 ECU malfunction

  • ECM

INSPECTION PROCEDURE

Tech Tips

Read freeze frame data using intelligent tester. Because freeze frame records the engine conditions when the malfunction is detected, when troubleshooting it is useful for determining whether the vehicle was running or stopped, the engine warmed up or not, the air-fuel ratio lean or rich, etc. at the time of the malfunction.

PROCEDURE


  1. REPLACE ECM


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