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Throttle Position Sensor: Testing and Inspection

Component Inspection

THROTTLE POSITION SENSOR

With CONSULT-II
1. Reconnect all harness connectors disconnected.
2. Start engine and warm it up to normal operating temperature.
3. Stop engine and turn ignition switch ON.
4. Select "DATA MONITOR" mode with CONSULT-II.







5. Check voltage of "THRTL POS SEN" under the given conditions.

NOTE: Voltage measurement must be made with throttle position sensor installed in vehicle.

If NG, adjust closed throttle position switch. Refer to "Basic Inspection".

With GST
1. Reconnect all harness connectors disconnected.
2. Start engine and warm it up to normal operating temperature.
3. Stop engine and turn ignition switch ON.







4. Check voltage between ECM terminal 23 (Throttle position sensor signal) and ground under the given conditions.

NOTE: Voltage measurement must be made with throttle position sensor installed in vehicle.

If NG, adjust closed throttle position switch. Refer to "Basic Inspection".