DTC Logic
DTC DETECTION LOGIC
DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition | Possible cause |
P1550 | BAT CURRENT SENSOR (Battery current sensor) | The output voltage of the battery current sensor remains within the specified range while engine is running. |
|
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following before conducting the next test.
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
Is 1st trip DTC detected? YES >> Proceed to EC-374, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK BATTERY CURRENT SENSOR POWER SUPPLY
Is the inspection result normal? YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK SENSOR POWER SUPPLY 2 CIRCUIT
Check sensor power supply 2 circuit. Refer to EC-444, "Diagnosis Procedure".
Is the inspection result normal? YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair or replace error-detected parts.
3.CHECK BATTERY CURRENT SENSOR GROUND CIRCUIT
Is the inspection result normal? YES >> GO TO 4.
NO >> Repair or replace error-detected parts.
4.CHECK BATTERY CURRENT SENSOR INPUT SIGNAL CIRCUIT
Is the inspection result normal? YES >> GO TO 5.
NO >> Repair or replace error-detected parts
5.CHECK BATTERY CURRENT SENSOR
Check the battery current sensor. Refer to EC-375, "Component Inspection (Battery Current Sensor)".
Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-39, "Intermittent Incident".
NO >> Replace battery current sensor. Refer to PG-53, "Removal and Installation".
Component Inspection (Battery Current Sensor)
1.CHECK BATTERY CURRENT SENSOR
Before measuring the terminal voltage, confirm that the battery is fully charged. Refer to PG-4, "How to Handle Battery".
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace battery current sensor. Refer to PG-53, "Removal and Installation".
Cylinder head
Exploded View
Cylinder head assembly
Cylinder head bolt
Cylinder head gasket
Refer to INSTALLATION
Removal and Installation
REMOVAL
Release fuel pressure. Refer to EC-143, "Work Procedure".
Drain engine coolant and engine oil. Refer to CO-12, "Changing En ...
Under cover
Front under cover
Front under cover : removal and installation
REMOVAL
Remove front side of front fender protector (LH/RH). Refer to EXT-28,
"FENDER PROTECTOR : Removal
and Installation - Front Fender Protector".
Remove engine under cover. EXT-31, "ENGINE UNDER COVER : Re ...
Precaution
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used along
with a front seat belt, helps to reduce the risk or severity of injur ...