Operation CHARM: Car repair manuals for everyone.

P1705


P1705 TP 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.




CONSULT-III Reference Value in Data Monitor Mode









On Board Diagnosis Logic
- This is not an OBD-II self-diagnostic item.
- Diagnostic trouble code "P1705 TP SENSOR" with CONSULT-III 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 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-III
1. Turn ignition switch "ON". (Do not start engine.)
2. Select "DATA MONITOR" mode for "TRANSMISSION" with CONSULT-III.
3. Start engine and let it idle for 1 second.
4. If DTC is detected, go to P1705.




Diagnosis Procedure
1.CHECK CAN COMMUNICATION LINE
Perform the self-diagnosis. CONSULT-III Function (Transmission).
Is a malfunction in the CAN communication indicated in the results?
YES - Check CAN communication line. CAN Comm Circuit CAN Comm Circuit CAN Comm Circuit CAN Comm Circuit CAN Comm Circuit.
NO - GO TO 2.
2.CHECK DTC WITH TCM
With CONSULT-III
1. Turn ignition switch "ON". (Do not start engine.)
2. Select "ECU INPUT SIGNALS" in "DATA MONITOR" mode for "TRANSMISSION" with CONSULT-III.
3. Depress accelerator pedal and read out the value of "ACCELE POSI".





4. Select "SELF-DIAG RESULTS" mode for "TRANSMISSION" with CONSULT-III. CONSULT-III Function (Transmission).
OK or NG
OK - GO TO 4.
NG - GO TO 3.
3.CHECK DTC WITH ECM
With CONSULT-III
1. Turn ignition switch "ON". (Do not start engine.)
2. Select "SELF-DIAG RESULTS" mode for "ENGINE" with CONSULT-III. CONSULT-III Function (Transmission).
OK or NG
OK - GO TO 4.
NG - Check the DTC detected item. Testing and Inspection.
- If CAN communication line is detected, go to CAN Comm Circuit.
4.CHECK DTC
Perform "DTC Confirmation Procedure".
- P1705.
OK or NG
OK - INSPECTION END
NG - GO TO 5.
5.CHECK TCM POWER SUPPLY AND GROUND CIRCUIT
Check TCM power supply and ground circuit. Main Power Supply and Ground Circuit.
OK or NG
OK - GO TO 6.
NG - Repair or replace damaged parts.
6.DETECT MALFUNCTIONING ITEM
Check the following items:
- The A/T assembly harness connector pin terminals for damage or loose connection with harness connector.
OK or NG
OK - Replace the control valve with TCM. Service and Repair.
NG - Repair or replace damaged parts.