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EC-450 < DTC/CIRCUIT DIAGNOSIS > [VK56DE] FUEL PUMP Check voltage between IPDM E/R terminal 46 and ground with CONSULT-III or tester. OK or NG OK >> GO TO 4. NG >> GO TO 14. 4. DETECT MALFUNCTIONING PART Check harness for open or short between IPDM E/R and ECM >> Repair harness or connectors. 5. CHECK CONDENSER-2 POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Reconnect all harness connectors disconnected. 3. Disconnect condenser-2 harness connector. 4. Turn ignition switch ON. 5. Check voltage between condenser-2 terminal 1 and ground with CONSULT-III or tester. 6. Also check harness for short to ground and short to power. OK >> GO TO 8. NG >> GO TO 6. 6. CHECK 15A FUSE 1. Turn ignition switch OFF. 2. Disconnect 15A fuse. 3. Check 15A fuse. OK >> GO TO 7. NG >> Replace fuse. 7. CHECK CONDENSER-2 POWER SUPPLY CIRCUIT-II FOR OPEN AND SHORT 1. Disconnect IPDM E/R harness connector E119. 2. Check harness continuity between IPDM E/R terminal 13 and condenser-2 terminal 1. Refer to Wiring Diagram. Voltage: Battery voltage PBIB2656E BBIA0388E Voltage: Battery voltage should exist for 1 sec- PBIB0624E Continuity should exist. |