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Throttle Full Close Switch: Testing and Inspection




Closed throttle position switch (Built in throttle position sensor)
1. Start engine and warm it up to normal operating temperature.
2. Stop engine (Ignition switch "OFF").
3. Remove the vacuum hose connected to the throttle opener.
4. Connect suitable vacuum hose to the vacuum pump and the opener.
5. Apply vacuum [more than -40.0 kPa (-300 mmHg, -11.81 inHg)] until the throttle drum becomes free from the rod of the throttle opener.







With Consult
6. Turn ignition switch "ON".
7. Select "DATA MONITOR" mode with CONSULT-II.
8. Check indication of "CLSD THL/P SW".
Measurement must be made with closed throttle position switch installed in vehicle.
If NG, adjust closed throttle position switch. Refer to "Basic Inspection".
9. If it is impossible to adjust closed throttle position switch in "Basic Inspection", replace closed throttle position switch.

OR







Without Consult
6. Disconnect closed throttle position switch harness connector.
7. Check continuity between closed throttle position switch terminals (6) and (8).
Resistance measurement must be made with closed throttle position switch installed in vehicle.
If NG, adjust closed throttle position switch. Refer to "Basic Inspection".
8. If it is impossible to adjust closed throttle position switch in "Basic Inspection", replace closed throttle position switch.