Throttle Body

2009 Saturn Astra XR, 4D Hatchback, AutomaticSECTION Throttle Body
Fig 1: Throttle Body Connector End View
GM1523692Courtesy of GENERAL MOTORS CORP.
Throttle Actuator Control (TAC) Module

Pin Wire Color Circuit No. Function
1 0.5 BU 485 Throttle Position Sensor Signal 1
2 0.5 BK/WH 2701 5 Volt Reference 2
3 1 BK/WH 581 Throttle Actuator Control Open
4 0.5 BU 486 Throttle Position Sensor Signal 2
5 1 BN/WH 582 Throttle Actuator Control Close
6 0.5 BN/WH 2752 Low Reference
Connector Part Information 
  • OEM: FEP 42121700
  • Service: Service by Harness - See Part Catalog
  • Description: 6-Way F Sealed (BK)
Terminal Part Information 
  • Terminal/Tray: Service by Harness - See Part Catalog
  • Release Tool/Test Probe: N/A
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.