MIL ON - P0116 Set in (ECM) Memory

NO:
EG004-97

Title:
MIL "ON" - P0116 SET IN MEMORY (ECM)

Models:
'97 LX 450

DATE:
May 2, 1997

Introduction
Some 97 LX450s may exhibit a MIL "ON" condition (DTC code P0116 - "engine coolant temperature malfunction") under certain normal operating conditions. To improve the operating logic of the coolant temperature circuit. the engine ECM has been changed.

NOTE: When diagnosing a vehicle with this condition, check all related components according to the Repair Manual. If all parts pass testing, the ECM logic may be too sensitive and require replacement.

Production Change Information
^ The new ECM was installed in production after VIN JT6HJ88 * * V0169421.





Parts Information