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DTC SET CONDITIONS Logic Flow Chart ZK603436 No Continuous failure for 5 secs Start End No No Yes Yes Malfunction Good Output voltage < 0.2v Output voltage > 4.8v AA00 Logic Flow Chart Yes No Yes Monitoring conditions Check Conditions ⦆ 2 seconds or more have passed since the starting Judgement Criteria ⦆ The fuel tank differential pressure sensor output OBD-ll DRIVE CYCLE PATTERN TROUBLESHOOTING HINTS (THE MOST LIKELY ⦆ Connector damage. ⦆ Harness damage. ⦆ Fuel tank differential pressure sensor failed. ⦆ ECM failed. OVERVIEW OF TROUBLESHOOTING ⦆ DTC P0452 can be set by a faulty fuel tank MULTIPORT INJECTION SYSTEM (MFI) <DIAGNOSIS> 13Ab-507 DIAGNOSTIC TROUBLE CODE PROCEDURES |