P1726

P1726 THROTTLE CONTROL SIGNAL





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.




On Board Diagnosis Logic
- This is not an OBD-II self-diagnostic item.
- Diagnostic trouble code "P1726" with CONSULT-III is detected when the electronically controlled throttle for
ECM is malfunctioning.




Possible Cause
Harness or connectors
(Sensor circuit is open or shorted.)




DTC Confirmation Procedure

NOTE:
If "DTC Confirmation Procedure" has been previously performed, always turn ignition switch OFF and wait at least 10 seconds before performing the next test.
After the repair, touch "ERASE" on "SELF-DIAG RESULTS" and then perform the following procedure to confirm the malfunction is eliminated.

WITH CONSULT-III
1. Turn ignition switch ON.
2. Select "DATA MONITOR" mode for "TRANSMISSION" with CONSULT-III.
3. Start engine and let it idle for 5 second.
4. If DTC is detected, go to SEE Diagnosis Procedure.




Diagnosis Procedure
1.CHECK DTC WITH ECM
With CONSULT-III
1. Turn ignition switch ON.
2. Select "SELF-DIAG RESULTS" mode for "ENGINE" with CONSULT-III. CONSULT-III Function (Engine) (For California), "CONSULT-III
CONSULT-III Function (Engine) (Except For California), [MR20DE
(Except for California)] and (QR25DE).
OK or NG
OK - GO TO 2.
NG - Check the DTC Detected Item. CONSULT-III Function (Engine) (For California) [MR20DE
(For California)], CONSULT-III Function (Engine) (Except For California), [MR20DE (Except for California)]
and (QR25DE).
- If CAN communication line is detected, go to CVT CVT CVT CVT.
2.CHECK DTC
Perform SEE DTC Confirmation Procedure.
OK or NG
OK - INSPECTION END
NG - GO TO 3.
3.DETECT MALFUNCTIONING ITEM
Check the following:
- The TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK - Replace TCM. Service and Repair.
NG - Repair or replace damaged parts.