DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P1556 or P1557 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643.
Refer to EC-353, "DTC Logic".
DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition | Possible cause |
P1556 | BAT TMP SEN/CIRC (BAT TMP SEN/CIRC) | Signal voltage from Battery temperature sensor remains 0.16V or less for 5 seconds or more. |
|
P1557 | BAT TMP SEN/CIRC (BAT TMP SEN/CIRC) | Signal voltage from Battery temperature sensor remains 4.84V or more for 5 seconds or more. |
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is 10 V or more at idle.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
Is 1st trip DTC detected? YES >> Proceed to EC-386, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK BATTERY TEMPERATURE SENSOR POWER SUPPLY
Is the inspection result normal? YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK BATTERY TEMPERATURE SENSOR POWER SUPPLY CIRCUIT
Is the inspection result normal? YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair or replace error-detected parts.
3.CHECK BATTERY TEMPERATURE SENSOR GROUND CIRCUIT
Is the inspection result normal? YES >> GO TO 4.
NO >> Repair or replace error-detected parts.
4.CHECK BATTERY TEMPERATURE SENSOR
Check the battery temperature sensor. Refer to EC-387, "Component Inspection".
Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-39, "Intermittent Incident".
NO >> Replace battery negative cable assembly.
Component Inspection
1.CHECK BATTERY TEMPERATURE SENSOR
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace battery negative cable assembly.
C1140 Actuator relay system
DTC Logic
DTC DETECTION LOGIC
DTC
Display Item
Malfunction detected condition
Possible causes
C1140
ACTUATOR RLY
When a malfunction is detected in actuator relay.
Harness or connector
ABS actuator and electric unit
(control unit)
Fusible link ...
U1000 can comm circuit
Dtc logic
Dtc detection logic
Dtc
Consult
Detection condition
Possible malfunction location
U1000
Can comm circ
[u1000]
When combination meter is not receiving can communication
signals for 2 seconds or more.
Combination meter
Diagnosis procedure
1.Ch ...
P1805 Brake switch
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P1805
BRAKE SW/CIRCUIT
(Brake switch circuit)
Stop lamp signal is not sent to ECM for extremely
long time while the vehicle is drivi ...