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".
P0746 pressure control solenoid A
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0746
PC SOLENOID A
(Pressure Control Solenoid A Performance/
Stuck Off)
The detecting condition A or detection condition B is detected twice
or ...
System description
COMPONENT PARTS
BODY CONTROL SYSTEM
BODY CONTROL SYSTEM : Component Parts Location
BCM
Behind instrument panel (LH)
POWER CONSUMPTION CONTROL SYSTEM
POWER CONSUMPTION CONTROL SYSTEM : Component Parts Location
Combination meter
Refer to MWI-6, "METER SYSTEM :
Componen ...
Emergency Call
Intelligent emergency call
Principle
In case of an emergency, an emergency call can
be triggered automatically by the system or manually.
General information
Only press the SOS button in an emergency.
The Intelligent Assist system establishes a connection
with the BMW Response Center.
For technica ...