ON-BOARD DIAGNOSTIC
01–02–5
01–02
Meaning of fuel system loop status
• The following information is displayed on the tester.
— Feedback stops: ECT is lower than the determined feedback zone.
— Feedback operating: HO2S being used for feedback is normal.
— Feedback stops: Open loop due to driving condition
— Feedback stops: Open loop due to detected system fault
— Feedback operating: Malfunction occurred in HO2S (rear) system
On-board system readiness test
• The items supported by the on-board system readiness test are shown below.
Continuous monitoring system
— HO2S heater
— HO2S
— Fuel system
— Misfire
— CCM
Intermittent monitoring system
— HO2S heater
— HO2S
— Catalyst
— EGR system
— Evaporative system
— Engine cooling system
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