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DTC P0550 PSP SENSOR EC-483 C D E F G H I J K L M A EC 2. CHECK PSP SENSOR POWER SUPPLY CIRCUIT 1. Disconnect power steering pressure (PSP) sensor harness con- 2. Turn ignition switch ON. 3. Check voltage between PSP sensor terminal 1 and ground with OK or NG OK >> GO TO 4. NG >> GO TO 3. 3. DETECT MALFUNCTIONING PART Check the following. ● Harness connectors F5, E315 ● Harness for open or short between ECM and PSP sensor >> Repair open circuit or short to ground or short to power in harness or connectors. 4. CHECK PSP SENSOR GROUND CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Check harness continuity between PSP sensor terminal 3 and ECM terminal 67. 4. Also check harness for short to ground and short to power. OK or NG OK >> GO TO 6. NG >> GO TO 5. 5. DETECT MALFUNCTIONING PART Check the following. ● Harness connectors F5, E315 ● Harness for open or short between PSP sensor and ECM >> Repair open circuit or short to ground or short to power in harness or connectors. PBIB0027E Voltage: Approximately 5V PBIB0188E Continuity should exist. |