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DTC P1220 FUEL PUMP CONTROL MODULE (FPCM) EC-517 C D E F G H I J K L M A EC Diagnostic Procedure EBS00MK2 1. CHECK FPCM POWER SUPPLY CIRCUIT 1. Turn ignition switch “OFF”. 2. Disconnect FPCM harness connector. 3. Turn ignition switch “ON”. 4. Check voltage between FPCM terminal 2 and ground with CON- OK or NG OK >> GO TO 3. NG >> GO TO 2. 2. DETECT MALFUNCTIONING PART Check the following. ● Harness connectors M141, B211 ● Harness for open or short between FPCM and harness connector B211 >> Repair harness or connectors. 3. CHECK FPCM GROUND CIRCUIT-I FOR OPEN AND SHORT 1. Turn ignition switch “OFF”. 2. Check harness continuity between FPCM terminal 3 and body ground. 3. Also check harness for short to power. OK or NG OK >> GO TO 4. NG >> Repair open circuit or short to power in harness or connectors. Voltage: Battery voltage PBIB1129E PBIB0099E Continuity should exist. |