Operation CHARM: Car repair manuals for everyone.

P1705

Description





- Throttle position sensor
- The throttle position sensor detects the throttle valve position and sends a signal to the TCM.
- Throttle position switch
- Consists of a wide open throttle position switch and a closed throttle position switch. The wide open position switch sends a signal to the TCM when the throttle valve is open at least 1/2 of the full throttle position. The closed throttle position switch sends a signal to the TCM when the throttle valve is fully closed.





CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE





TCM TERMINALS AND REFERENCE VALUE





ON BOARD DIAGNOSIS LOGIC

DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE

CAUTION: Always drive vehicle at a safe speed.

NOTE: If "DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCEDURE" has been previously conducted, always turn ignition switch OFF and wait at least 5 seconds before conducting the next test.

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

With CONSULT-II





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2 of 2

1. Turn ignition switch ON and select "DATA MONITOR" mode for "A/T" with CONSULT-II.





2. Apply vacuum to the throttle opener, then check the following. Refer to step 1 and step 2 of "Preparation", "TCM SELF-DIAGNOSIS PROCEDURE (NO TOOLS)".
If the check result is NG, go to "DIAGNOSTIC PROCEDURE".
If the check result is OK, go to following step.





1 of 2





2 of 2

3. Turn ignition switch ON and select "DATA MONITOR" mode for "ENGINE" with CONSULT-II.
4. Start engine and maintain the following conditions for at least 3 consecutive seconds. Then release accelerator pedal completely.
VHCL SPEED SE: 10 km/h (6 MPH) or more
THRTL POS SEN: Approximately 3 V or less
Selector lever: D position (O/D ON)
If the check result is NG, go to "DIAGNOSTIC PROCEDURE".
If the check result is OK, go to following step.
5. Maintain the following conditions for at least 3 consecutive seconds. Then release accelerator pedal completely.
VHCL SPEED SE: 10 km/h (6 MPH) or more
Accelerator pedal: Wide open throttle
Selector lever: D position (O/D ON)

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





WIRING DIAGRAM - AT - TPS

Diagnostic Procedure





1 of 5





2 of 5





3 of 5





4 of 5





5 of 5

Component Inspection
THROTTLE POSITION SWITCH
Closed Throttle Position Switch (idle position)





1 of 2





2 of 2

- Check continuity between terminals 4 and 5.
- To adjust closed throttle position switch, refer to Powertrain Management; Computers and Control Systems.

Wide Open Throttle Position Switch





1 of 2





2 of 2

- Check continuity between terminals 5 and 6.