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. |
|
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.
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
Is 1st trip DTC detected?
YES >> Go to EC, "Diagnosis Procedure".
NO >> INSPECTION END
1.CHECK GROUND CONNECTION
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace ground connection.
2.CHECK BATTERY CURRENT SENSOR POWER SUPPLY
Is the inspection result normal?
YES >> GO TO 4.
NO >> GO TO 3.
3.CHECK BATTERY CURRENT SENSOR POWER SUPPLY CIRCUIT
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI, "Intermittent Incident".
NO >> Repair or replace error-detected parts.
4.CHECK BATTERY CURRENT SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace error-detected parts.
5.CHECK BATTERY CURRENT SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair or replace error-detected parts.
6.CHECK BATTERY CURRENT SENSOR
Check battery current sensor. Refer to EC, "Component Inspection".
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI, "Intermittent Incident".
NO >> Replace battery negative cable assembly.
1.CHECK BATTERY CURRENT SENSOR
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace battery negative cable assembly.
Heater and Air Conditioner (manual)
WARNING
The air conditioner cooling function operates
only when the engine is running.
Do not leave children or adults who
would normally require the assistance
of others alone in your vehicle. Pets
should also not be left alone. They
could accidentally injure themselves or
others ...
U1000 CAN COMM
DTC Logic
DTC DETECTION LOGIC
NOTE: U1000 can be set if a module harness was disconnected and
reconnected, perhaps during a repair. Confirm that there are actual CAN
diagnostic symptoms and a present DTC by performing the Self Diagnostic Result
procedure.   ...