P1705

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.


CONSULT Reference Value

Remarks: Specification data are reference values.







On Board Diagnosis Logic

- This is not an OBD-II self-diagnostic item.
- Diagnostic trouble code "P1705" with CONSULT is detected when TCM does not receive the proper accelerator pedal position signals (input by CAN communication) from ECM.


Possible Cause

- ECM
- Harness or connectors (CAN communication line 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, perform the following procedure to confirm the malfunction is eliminated.

WITH CONSULT

1.Turn ignition switch ON.
2.Select "DATA MONITOR" mode for "TRANSMISSION" with CONSULT.
3.Depress accelerator pedal fully and release it, then wait for 5 seconds.
4.If DTC is detected, go to .


Diagnosis Procedure


1. CHECK CAN COMMUNICATION LINE

Perform the self-diagnosis check. CVT Trouble Diagnosis.
Is any malfunction of the "U1000" indicated?
YES- Check the CAN communication line.
NO- GO TO 2.

2. CHECK INPUT SIGNAL

With CONSULT
1.Turn ignition switch ON.
2.Select "ECU INPUT SIGNALS" in "DATA MONITOR" mode for "TRANSMISSION" with CONSULT.
3.Read out the value of "ACC PEDAL OPEN".





OK or NG
OK- GO TO 4.
NG- GO TO 3.

3. CHECK DTC WITH ECM

With CONSULT
1.Turn ignition switch ON.
2.Select "SELF-DIAG RESULTS" mode for "ENGINE" with CONSULT. For California) [MR-20DE (For california)], Except For California, [MR-20DE (Except for california)] and CONSULT Function (Engine) (QR-25DE).
OK or NG
OK- GO TO 4.
NG- Check the DTC Detected Item. Go to For California) [MR-20DE (For california)], Except For California, [MR-20DE (Except for california)] and CONSULT Function (Engine) (QR-25DE).

4. CHECK DTC

Perform Diagnosis Procedure (see below).
OK or NG
OK-INSPECTION END
NG- Repair or replace damaged parts.