P1705

DTC P1705 THROTTLE POSITION SENSOR

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 signals to TCM with CAN communication.

On Board Diagnosis Logic
^ This is an OBD-II self-diagnostic item.
^ Diagnostic trouble code "TP SEN/CIRC A/7 with CONSULT-II or P1705 without CONSULT-II is detected when TCM does not receive the proper accelerator pedal position signals (input by CAN communication) from ECM.

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

DTC Confirmation Procedure

NOTE: If "DTC Confirmation Procedure" has been previously conducted, always turn ignition switch "OFF" and wait at least 10 seconds before conducting the next test.

After the repair, perform the following procedure to confirm the malfunction is eliminated.

WITH CONSULT-II





1. Turn ignition switch to "ON" position. (Do not start engine.)
2. Select "DATA MONITOR" mode for "A/T" with CONSULT-II.
3. Start engine and let it idle for 1 second.
4. If DTC is detected, go to "Diagnostic Procedure".

WITH GST
Follow the procedure "With CONSULT-II".

Diagnostic Procedure
1. CHECK DTC WITH ECM
With CONSULT-II





1. Turn ignition switch to "ON" position. (Do not start engine.)
2. Select "SELF-DIAG RESULTS" mode for "ENGINE" with CONSULT-II. Refer to "CONSULT-II Function".

With GST
Follow the procedure "With CONSULT-II".
OK or NG
OK >> GO TO 2.
NG >> Check the DTC detected item. Go to "CONSULT-II Function". If CAN communication line is detected, go to "DTC U1000 CAN COMMUNICATION LINE".

2. CHECK DTC WITH TCM
With CONSULT-II





1. Turn ignition switch to "ON" position. (Do not start engine.)
2. Select "TCM INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.
3. Depress accelerator pedal and read out the value of "ACCLE POS" and "THROTTLE POSI". Check engine speed changes according to throttle position.
4. Select "SELF-DIAG RESULTS" mode for "ENGINE" with CONSULT-II. Refer to "SELF-DIAG RESULTS MODE".

With GST
Follow the procedure "With CONSULT-II".
OK or NG
OK >> GO TO 3.
NG >> Repair or replace damaged parts.

3. CHECK DTC
Perform "DTC confirmation Procedure".
OK or NG
OK >> INSPECTION END
NG >> GO TO 4.

4. CHECK TCM INSPECTION
1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK >> INSPECTION END
NG >> Repair or replace damaged parts.