DTC Description
DTC DETECTION LOGIC
DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition |
P2138 | APP SENSOR (Throttle/pedal position sensor/switch ″D″ / ″E″ voltage correlation) | Rationally incorrect voltage is sent to ECM compared with the signals from APP sensor 1 and APP sensor 2. |
POSSIBLE CAUSE
FAIL-SAFE
DTC CONFIRMATION PROCEDURE
1.CHECK DTC PRIORITY
If DTC P2138 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643.
Is applicable DTC detected? YES >> Perform diagnosis of applicable. Refer to EC-379, "DTC Description".
NO >> GO TO 2.
2.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 3.
3.PERFORM DTC CONFIRMATION PROCEDURE
Is DTC detected? YES >> Proceed to EC-449, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK DTC PRIORITY
If DTC P2138 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643.
Is applicable DTC detected? YES >> Perform diagnosis of applicable. Refer to EC-379, "DTC Description".
NO >> GO TO 2.
2.CHECK APP SENSOR 1 POWER SUPPLY
Is the inspection result normal? YES >> GO TO 4.
NO >> GO TO 3.
3.CHECK APP SENSOR 1 POWER SUPPLY CIRCUIT
Is the inspection result normal? YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair or replace error-detected parts.
4.CHECK APP SENSOR 2 POWER SUPPLY
Check the voltage between APP sensor harness connector and ground.
Is the inspection result normal? YES >> GO TO 6.
NO >> GO TO 5.
5.CHECK SENSOR POWER SUPPLY 2 CIRCUIT
Perform EC-484, "Diagnosis Procedure".
Is inspection result normal? YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair or replace error-detected parts.
6.CHECK APP SENSOR GROUND CIRCUIT
Is the inspection result normal? YES >> GO TO 7.
NO >> Repair or replace error-detected parts.
7.CHECK APP SENSOR INPUT SIGNAL CIRCUIT
1. Check the continuity between APP sensor harness connector and ECM harness connector.
Is the inspection result normal? YES >> GO TO 8.
NO >> Repair or replace error-detected parts
8.CHECK APP SENSOR
Check the APP sensor. Refer to EC-451, "Component Inspection".
Is the inspection result normal? YES >> GO TO 9.
NO >> Replace accelerator pedal assembly. Refer to ACC-3, "Removal and Installation".
9.CHECK INTERMITTENT INCIDENT
Refer to GI-41, "Intermittent Incident".
>> INSPECTION END
Component Inspection
1.CHECK ACCELERATOR PEDAL POSITION SENSOR
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace accelerator pedal assembly. Refer to ACC-3, "Removal and Installation".
U1000 CAN COMM circuit
Description
CAN (Controller Area Network) is a serial communication line for real-time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellent malfunction
detection ability.
Many electronic control units are equipped onto a vehicle, and ...
Inspection and adjustment
ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL
ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL : Description
If any of the following work has been done Initial setting is necessary.
Power supply to the main power window and door lock/unlock switch
or power windo ...
Windows
POWER WINDOWS
WARNING
Make sure that all passengers have
their hands, etc. inside the vehicle while
it is in motion and before closing the
windows. Use the window lock switch to
prevent unexpected use of the power
windows.
Do not leave children unatten ...