Test No. 11 (Throttle Position Sensor & Closed Throttle Position Switch Circuit)

1. When checking closed throttle position switch, if accelerator pedal is depressed, 4.5-5.5 volts should be present on terminal No. 4 of control unit. When accelerator pedal is released, voltage should not be present on terminal No. 4 of control unit.
2. When checking throttle position sensor, if throttle valve is in idle position, .5-.7 volt should be present on terminal No. 5 of control unit. When throttle is in wide open position, 4.0-5.5 volts should be present on terminal No. 5 of control unit. If circuit does not test correctly, replace switch or repair harness.

Fig 1: Clutch & Accelerator Switch Connector

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Fig 2: Cruise Control Switch Connector

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Fig 3: Electronic Cruise Control Unit (ECU) Connector

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Fig 4: Instrument Cluster Connector

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Fig 5: Overdrive Switch Connector

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Fig 6: Park/Neutral Switch Connector

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Fig 7: Stoplight Switch Connector

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Fig 8: Throttle Position Sensor Connector

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Fig 9: Vacuum Pump Connector

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