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DTC SET CONDITIONS Logic Flow Chart Start End Malfunction Good Monitoring Continuous Failure for 1.4secs Yes No No No No No Yes Stepper moter ON? Yes Circuit voltage > 6.7V Circuit voltage < 1.5V Yes ZK604052 AA00 Check Conditions ⦆ Ignition switch is "ON" position. ⦆ Battery positive voltage is at between 10 and 16.5 Judgement Criterion ⦆ When the EGR valve is de-energized, the ECM OBD-II DRIVE CYCLE PATTERN TROUBLESHOOTING HINTS (The most likely ⦆ EGR valve (stepper motor) failed. MULTIPORT INJECTION SYSTEM (MFI) <DIAGNOSIS> 13Ab-551 DIAGNOSTIC TROUBLE CODE PROCEDURES |