Toyota
Nissan Versa
 Sedan Service Manual
Engine » Engine control system (EC) » P1550 battery current sensor
DTC Logic

DTC DETECTION LOGIC

DTC No. Trouble diagnosis DTC detecting condition Possible cause
P1550 Battery current sensor circuit range/performance The output voltage of the battery current sensor remains within the specified range while engine is running.
  • Harness or connectors (Battery current sensor circuit is open or shorted.) (APP sensor 2 circuit is open or shorted.) (EVAP control system pressure sensor circuit is shorted.) [Crankshaft position sensor (POS) circuit is shorted.] (Refrigerant pressure sensor circuit is shorted.)
  • Battery current sensor
  • Accelerator pedal position sensor (APP sensor 2)
  • EVAP control system pressure sensor
  • Crankshaft position sensor (POS)
  • Refrigerant pressure sensor

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

  1. Turn ignition switch OFF and wait at least 10 seconds.
  2. Turn ignition switch ON.
  3. Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION: Before performing the following procedure, confirm that battery voltage is more than 8 V at idle.

>> GO TO 2.

2.PERFORM DTC CONFIRMATION PROCEDURE

  1. Start engine and wait at least 10 seconds.
  2. Check 1st trip DTC.

Is 1st trip DTC detected?

YES >> Go to EC, "Diagnosis Procedure".

NO >> INSPECTION END

    More about «P1550 battery current sensor»:

    DTC Logic

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