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Diagnostic System: Notes

The ECM of the ECC system is equipped with a self-diagnostic function. When trouble occurs, the ECS (Electronic Control System) lamp is illuminated and the trouble code is displayed on the O2 monitor lamp in code. See Fig 1 .

NOTE: Trouble codes are displayed repeatedly. When multiple problems have occurred, all trouble codes are displayed repeatedly in numerical order.
Fig 1: Example of Displayed Trouble Codes Trouble code 23 is shown.
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