P1726 ELECTRIC THROTTLE CONTROL SYSTEM

Description
Electric throttle control actuator consists of throttle control motor, accelerator pedal position sensor, throttle position sensor etc. The actuator sends a signal to the ECM, and ECM sends the signal to TCM with CAN communication.

DTC Logic

DTC DETECTION LOGIC

1. Start engine and let it idle for 5 seconds.
2. Perform "SELF-DIAG RESULTS" mode for "TRANSMISSION". Is "P1726 ELEC TH CONTROL" detected?

YES >> Go to Diagnosis Procedure.
NO >> Check intermittent incident. Refer to See: Testing and Inspection\Initial Inspection and Diagnostic Overview\Service Information For Electrical Incident\Intermittent Incident.

Diagnosis Procedure
1.CHECK DTC WITH ECM
With CONSULT-III

1. Turn ignition switch ON.
2. Select "SELF-DIAG RESULTS" mode for "ENGINE". Is the Inspection result normal?

YES >> GO TO 2.
NO >> Check DTC Detected Item. Refer to See: Testing and Inspection (for California), See: Testing and Inspection(except for California).
2.CHECK DTC WITH TCM
With CONSULT-III
Perform "SELF-DIAG RESULTS" mode for "TRANSMISSION".
Is "P1726 ELEC TH CONTROL" detected?
YES >> Replace TCM. Refer to See: Powertrain Management\Transmission Control Systems\Control Module, CVT\Service and Repair\CVT RE0F10A\Exploded View.
NO >> GO TO 3.
3.DETECT MALFUNCTIONING ITEMS
Check TCM connector pin terminals for damage or loose connection with harness connector.
Is the Inspection result normal?
YES >> Replace TCM. Refer to See: Powertrain Management\Transmission Control Systems\Control Module, CVT\Service and Repair\CVT RE0F10A\Exploded View.
NO >> Repair or replace damaged parts.