Silverado 1500 4WD V8-6.0L Hybrid (2009)
Note
Verify that the engine wiring harness electrical connector seal for the electronic throttle control is properly installed and not damaged.
3. Connect the engine wiring harness electrical connector (2) to the electronic throttle control.
4. Install the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement (See: Air Cleaner Housing/Air Cleaner Fresh Air
Duct/Hose/Service and Repair) .
5. Connect a scan tool in order to test for proper throttle-opening and throttle-closing range.
6. Operate the accelerator pedal and monitor the throttle angles. The accelerator pedal should operate freely, without binding, between a closed
throttle, and a wide open throttle (WOT).
7. Verify that the vehicle meets the following conditions:
*
The vehicle is not in a reduced engine power mode.
*
The ignition is ON.
*
The engine is OFF.
8. Start the engine.
9. Inspect for coolant leaks.
10. Perform the throttle learn procedure. Refer to Throttle Learn (See: Procedures/Throttle Learn) .
