DTC P2483:00 [PCM (SKYACTIV-D 2.2)]

id0102j5728600

DTC P2483:00

Exhaust gas temperature sensor No.5 circuit range/performance problem
DETECTION CONDITION
•  The PCM detects the following condition.
•  When the PCM detects that the difference in temperature of all of the following exceeds 150 °C {302 °F} or not exceeds -150 °C {-238 °F}:
―  Difference between temperatures detected by exhaust gas temperature sensors No.5 and EGR temperature sensor
―  Difference between temperatures detected by exhaust gas temperature sensors No.4 and No.5
MONITORING CONDITIONS
•  When all of the following conditions are met:
―  Soak time: 360 min or more
―  Battery voltage: 10 V or more
―  Ignition switched ON (engine off or on)
―  Vehicle is not equipped with engine block heater (determined based on changed in engine coolant temperature)
―  The following DTCs are not detected:
•  ECT sensor No.1: P0117:00, P0118:00
•  Exhaust gas temperature sensor No.4: P2470:00, P2471:00, P16B4:00
•  Exhaust gas temperature sensor No.5: P2481:00, P2482:00
•  Malfunction in instrument cluster: P2610:00
•  EGR temperature sensor: P040C:00, P040D:00
•  Malfunction in PCM: P166D:00, P166E:00, P16B5:00, P161C:00, P16B1:00
Diagnostic support note
•  This is a continuous monitor (CCM).
•  The check engine light illuminates if the PCM detects the above malfunction condition in two consecutive drive cycles or in one drive cycle while the DTC for the same malfunction has been stored in the PCM.
•  PENDING CODE is available if the PCM detects the above malfunction condition during first drive cycle.
•  FREEZE FRAME DATA/Snapshot data is available.
•  DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION
•  Not applicable
POSSIBLE CAUSE
•  EGR temperature sensor connector or terminals malfunction
•  Exhaust gas temperature sensor No.4 connector or terminals malfunction
•  Exhaust gas temperature sensor No.5 connector or terminals malfunction
•  PCM connector or terminals malfunction
•  Short to ground in wiring harness between the following terminals:
―  EGR temperature sensor terminal A—PCM terminal 1AB
―  Exhaust gas temperature sensor No.4 terminal A—PCM terminal 1DU
―  Exhaust gas temperature sensor No.5 terminal A—PCM terminal 2M
•  Short to power supply in wiring harness between the following terminals:
―  EGR temperature sensor—PCM terminal 1AB
―  Exhaust gas temperature sensor No.4 terminal A—PCM terminal 1DU
―  Exhaust gas temperature sensor No.5 terminal A—PCM terminal 2M
•  Open circuit in wiring harness between the following terminals:
―  EGR temperature sensor terminal A—PCM terminal 1AB
―  EGR temperature sensor terminal C—PCM terminal 1CZ
―  Exhaust gas temperature sensor No.4 terminal A—PCM terminal 1DU
―  Exhaust gas temperature sensor No.4 terminal B—PCM terminal 1DV
―  Exhaust gas temperature sensor No.5 terminal A—PCM terminal 2M
―  Exhaust gas temperature sensor No.5 terminal B—PCM terminal 2I
•  Exhaust gas temperature sensor No.5 malfunction
•  PCM malfunction

Diagnostic Procedure

STEP

INSPECTION

ACTION
1
RECORD VEHICLE STATUS AT TIME OF DTC DETECTION TO UTILIZE WITH REPEATABILITY VERIFICATION
Note
•  Recording can be facilitated using the screen capture function of the PC.
•  Record the FREEZE FRAME DATA/snapshot data on the repair order.
—
Go to the next step.
2
VERIFY RELATED REPAIR INFORMATION AVAILABILITY
•  Verify related Service Bulletins and/or on-line repair information availability.
•  Is any related repair information available?
Yes
Perform repair or diagnosis according to the available repair information.
•  If the vehicle is not repaired, go to the next step.
No
Go to the next step.
3
INSPECT EXHAUST GAS TEMPERATURE SENSOR AND EXHAUST GAS TEMPERATURE SENSOR CONNECTORS CONDITION
•  Switch the ignition off.
•  Disconnect the EGR temperature sensor/exhaust gas temperature sensor No.4/exhaust gas temperature sensor No.5 connector.
•  Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
•  Is there any malfunction?
Yes
Repair or replace the connector and/or terminals, then go to Step 9.
No
Go to the next step.
4
INSPECT PCM CONNECTOR CONDITION
•  Disconnect the PCM connector.
•  Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
•  Is there any malfunction?
Yes
Repair or replace the connector and/or terminals, then go to Step 9.
No
Go to the next step.
5
INSPECT EXHAUST GAS TEMPERATURE SENSOR CIRCUIT FOR SHORT TO GROUND
•  Verify that the exhaust gas temperature sensor No.1, exhaust gas temperature sensor No.2, exhaust gas temperature sensor No.3, exhaust gas temperature sensor No.4 and exhaust gas temperature sensor No.5 connectors are disconnected.
•  Switch the ignition off.
•  Inspect for continuity between the following terminals (wiring harness-side) and body ground:
―  EGR temperature sensor terminal A
―  Exhaust gas temperature sensor No.4 terminal A
―  Exhaust gas temperature sensor No.5 terminal A
•  Is there continuity?
Yes
If the short to ground circuit could be detected in the wiring harness:
•  Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals:
―  EGR temperature sensor terminal A—PCM terminal 1AB
―  Exhaust gas temperature sensor No.4 terminal A—PCM terminal 1DU
―  Exhaust gas temperature sensor No.5 terminal A—PCM terminal 2M
If there is a common connector:
―  Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to ground.
―  Repair or replace the malfunctioning part.
If there is no common connector:
―  Repair or replace the wiring harness which has a short to ground.
If the short to ground circuit could not be detected in the wiring harness:
•  Replace the PCM (short to ground in the PCM internal circuit).
Go to Step 9.
No
Go to the next step.
6
INSPECT EXHAUST GAS TEMPERATURE SENSOR CIRCUIT FOR SHORT TO POWER SUPPLY
•  Verify that the exhaust gas temperature sensor No.1, exhaust gas temperature sensor No.2, exhaust gas temperature sensor No.3, exhaust gas temperature sensor No.4, exhaust gas temperature sensor No.5 and PCM connectors are disconnected.
•  Switch the ignition ON (engine off).
•  Measure the voltage at the following terminals (wiring harness-side):
―  EGR temperature sensor terminal A
―  Exhaust gas temperature sensor No.4 terminal A
―  Exhaust gas temperature sensor No.5 terminal A
•  Is the voltage 0 V?
Yes
Go to the next step.
No
Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals:
•  EGR temperature sensor terminal A—PCM terminal 1AB
•  Exhaust gas temperature sensor No.4 terminal A—PCM terminal 1DU
•  Exhaust gas temperature sensor No.5 terminal A—PCM terminal 2M
If there is a common connector:
•  Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to power supply.
•  Repair or replace the malfunctioning part.
If there is no common connector:
•  Repair or replace the wiring harness which has a short to power supply.
Go to step 9.
7
INSPECT EXHAUST GAS TEMPERATURE SENSOR CIRCUIT FOR OPEN CIRCUIT
•  Verify that the exhaust gas temperature sensor No.1, exhaust gas temperature sensor No.2, exhaust gas temperature sensor No.3, exhaust gas temperature sensor No.4, exhaust gas temperature sensor No.5 and PCM connectors are disconnected.
•  Inspect for continuity between the following terminals (wiring harness-side):
―  EGR temperature sensor terminal A—PCM terminal 1AB
―  EGR temperature sensor terminal C—PCM terminal 1CZ
―  Exhaust gas temperature sensor No.4 terminal A—PCM terminal 1DU
―  Exhaust gas temperature sensor No.4 terminal B—PCM terminal 1DV
―  Exhaust gas temperature sensor No.5 terminal A—PCM terminal 2M
―  Exhaust gas temperature sensor No.5 terminal B—PCM terminal 2I
•  Is there continuity?
Yes
Go to the next step.
No
Refer to the wiring diagram and verify whether or not there is a common connector between the following terminals:
•  EGR temperature sensor terminal A—PCM terminal 1AB
•  EGR temperature sensor terminal C—PCM terminal 1CZ
•  Exhaust gas temperature sensor No.4 terminal A—PCM terminal 1DU
•  Exhaust gas temperature sensor No.4 terminal B—PCM terminal 1DV
•  Exhaust gas temperature sensor No.5 terminal A—PCM terminal 2M
•  Exhaust gas temperature sensor No.5 terminal B—PCM terminal 2I
If there is a common connector:
•  Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for an open circuit.
•  Repair or replace the malfunctioning part.
If there is no common connector:
•  Repair or replace the wiring harness which has an open circuit.
Go to Step 9.
8
INSPECT EXHAUST GAS TEMPERATURE SENSOR NO.5
•  Inspect the exhaust gas temperature sensor No.5.
•  Is there any malfunction?
Yes
Replace the exhaust gas temperature sensor No.5, then go to the next step.
(See EXHAUST GAS TEMPERATURE SENSOR REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)
No
Go to the next step.
9
VERIFY DTC TROUBLESHOOTING COMPLETED
•  Clear the DTC from the PCM memory using the M-MDS.
•  Start the engine and leave it idling for 10 s.
•  Switch the ignition off.
•  Leave the vehicle for 6 hours or more.
•  Start the engine.
•  Wait for 6 min (idle).
•  Perform the DTC Reading Procedure.
•  Is the same DTC present?
Yes
Repeat the inspection from Step 1.
•  If the malfunction recurs, replace the PCM.
Go to the next step.
No
Go to the next step.
10
VERIFY AFTER REPAIR PROCEDURE
•  Perform the “AFTER REPAIR PROCEDURE”.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [PCM (SKYACTIV-D 2.2)].)
No
DTC troubleshooting completed.