DTC DETECTION LOGIC
DTC No. | Trouble diagnosis | DTC detecting condition | Possible cause |
P1553 | Battery current sensor performance | The signal voltage transmitted from the sensor to ECM is higher than the amount of the maximum power generation. |
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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 at idle.
>> 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-45, "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.
Structure and operation
TRANSAXLE
TRANSAXLE : Cross-Sectional View
1. Converter housing 2. Oil pump 3. Counter drive gear
4. Control valve 5. Oil pan 6. Primary pulley
7. Steel belt 8. Secondary pulley 9. Planetary gear (auxiliary gearbox)
10. Side cover 11. Transaxle case 12. Differential case
13. Final gear ...
Idle neutral control
IDLE NEUTRAL CONTROL : System Description
SYSTEM DIAGRAM
DESCRIPTION
If a driver has no intention of starting the vehicle in D position, TCM
operates the low brake solenoid valve and
controls the oil pressure of the low brake to be low pressure. Therefore, the
low brake is in the release ...