APPLIES TO: This simplified TAC APP sensor assembly circuit wiring diagram applies to the following vehicles:
- 2.8L Chevrolet Colorado: 2004, 2005, 2006.
- 2.8L GMC Canyon: 2004, 2005, 2006.
The following tutorial will help you test APP sensor 1 and 2:
You can find the electronic throttle body circuit wiring diagram here:
APP Sensor Terminal Pin Out Chart
| Pin | Wire Color | Description |
|---|---|---|
| 1 | Purple (PPL) | Sensor Ground |
| 2 | White with black stripe (WHT/BLK) | 5 Volts |
| 3 | Dark blue (DK BLU) | APP Sensor 1 Signal |
| 4 | Brown (BRN) | Sensor Ground |
| 5 | Tan (TAN) | 5 Volts |
| 6 | Light Blue (LT BLU) | APP Sensor 1 Signal |
More 2.8L Chevrolet Colorado (GMC Canyon) Tutorials
You can find a complete list of 2.8L Chevrolet Colorado (GMC Canyon) tutorials and wiring diagrams here:
Here's a list of articles you'll find there:
- How To Test The Electronic Throttle Body (2004-2006 2.8L Chevrolet Colorado, GMC Canyon).
- How To Test Engine Compression (2004-2006 2.8L Chevrolet Colorado, GMC Canyon).
- Blown Head Gasket Tests (2004-2006 2.8L Chevrolet Colorado, GMC Canyon).
- TAC Throttle Body Wiring Diagram (2004-2006 2.8L Chevrolet Colorado, GMC Canyon).
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