DTC DETECTION LOGIC
NOTE: If DTC P2138 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to EC, "DTC Logic".
DTC No. | Trouble diagnosis name | DTC detecting condition | Possible cause |
P2138 | Accelerator pedal position sensor circuit range/performance | Rationally incorrect voltage is sent to ECM compared with the signals from APP sensor 1 and APP sensor 2. |
|
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following before conducting the next test.
TESTING CONDITION: Before performing the following procedure, confirm that battery voltage is more than 10 V at idle.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
Is 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 APP SENSOR 1 POWER SUPPLY CIRCUIT
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair open circuit or short to ground or shot to power in harness or connectors.
3.CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-I
Check the voltage between APP sensor harness connector and ground.
Is the inspection result normal?
YES >> GO TO 7.
NO >> GO TO 4.
4.CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-II
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair open circuit or short to ground or shot to power in harness or connectors.
5.CHECK SENSOR POWER SUPPLY CIRCUIT
Check harness for short to power and short to ground, between the following
terminals.
*: With A/C models
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair short to ground or short to power in harness or connectors.
6.CHECK COMPONENTS
Check the following.
Is the inspection result normal?
YES >> GO TO 9.
NO >> Replace malfunctioning component.
7.CHECK APP SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
Is the inspection result normal?
YES >> GO TO 8.
NO >> Repair open circuit or short to ground or shot to power in harness or connectors.
8.CHECK APP SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
Is the inspection result normal?
YES >> GO TO 9.
NO >> Repair open circuit or short to ground or shot to power in harness or connectors.
9.CHECK APP SENSOR
Refer to EC, "Component Inspection".
Is the inspection result normal?
YES >> GO TO 11.
NO >> GO TO 10.
10.REPLACE ACCELERATOR PEDAL ASSEMBLY
Replace accelerator pedal assembly. Refer to ACC, "Exploded View".
>> INSPECTION END
11.CHECK INTERMITTENT INCIDENT
Refer to GI, "Intermittent Incident".
>> INSPECTION END
Component Inspection
1.CHECK ACCELERATOR PEDAL POSITION SENSOR
Is the inspection result normal?
YES >> INSPECTION END
NO >> GO TO 2.
2.REPLACE ACCELERATOR PEDAL ASSEMBLY
Replace accelerator pedal assembly. Refer to ACC, "Exploded View".
>> INSPECTION END
P073E Unable to engage r range
Description
This malfunction is detected when the A/T does not shift into reverse
position as instructed by TCM. This is not
only caused by electrical malfunction (circuits open or shorted) but by
mechanical malfunction such as control
valve sticking, improper solenoid valve operation, etc
D ...
P0740 Torque converter
DTC Logic
DTC DETECTION LOGIC
DTC
Trouble diagnosis name
DTC detection condition
Possible causes
P0740
Torque Converter Clutch Circuit/
Open
The follow diagnosis conditions
are met, and the TCM torque
converter clutch solenoid valve
current monitor readin ...