Nissan Versa
Sedan Service Manual
Engine » Engine control system (EC) » P1551, P1552 battery current sensor
DTC Logic
DTC DETECTION LOGIC
DTC No. |
Trouble diagnosis |
DTC detecting condition |
Possible cause |
P1551 |
Battery current sensor circuit
low input |
An excessively low voltage from the sensor
is sent to ECM. |
- 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
|
P1552 |
Battery current sensor circuit
high input |
An excessively high voltage from the sensor
is sent to ECM. |
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform
the following procedure
before conducting the next test.
- Turn ignition switch OFF and wait at least 10 seconds.
- Turn ignition switch ON.
- 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 with ignition
switch ON
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
- Turn ignition switch ON and wait at least 10 seconds.
- Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Go to EC, "Diagnosis Procedure".
NO >> INSPECTION END
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DTC Logic