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Conditions for Running the Procedure — Cold Start-Up
Ambient Air Temperature = 0 to 40°C (32 to 104°F) @ Start-up
Barometric Pressure = Greater than 75 kPa (11 PSI)
ECT Sensor = Less than 35°C (95°F) @ Start-up
Engine = Off — Greater than 8 h
Fuel Level Sensor = 25 to 75%
IAT Sensor = Less than 34°C (93°F) @ Start-up
Ignition 1 Signal = 10 to 15 V
Start-Up ECT & Start-Up IAT = Within 12°C (22°F) of each other
Note that this must be a cold start with the car sitting for more than 8 hours. Also, note the fuel level requirement.
Warning: Road test a vehicle under safe conditions and while obeying all traffic laws. Do not attempt any maneuvers that could jeopardize vehicle control. Failure to adhere to these precautions could lead to serious personal injury and vehicle damage.
Note:
You have completed this procedure when all parameters display Complete.
Short stops for traffic will not affect the procedure.
Note: Do NOT use cruise control during this procedure.
Ignition » On / Vehicle » In Service Mode — For 1 min
Engine » Idling — For 2 min
Drive the vehicle while maintaining the following conditions for 20 min:
Part Throttle
Vehicle Speed = 24 to 97 km/h (15 to 60 MPH)
Safely stop the vehicle
Operate the engine/vehicle within the following conditions:
Accelerate the vehicle to 64 km/h (40 MPH)
Accelerate the vehicle from 64 to 97 km/h (40 to 60 MPH) @ Throttle position between 10% and 13%
Release the accelerator pedal and let the vehicle coast down with the brake pedal released — For greater than 20 s
Accelerate the vehicle from 64 to 97 km/h (40 to 60 MPH) @ Throttle position between 13% and 16%
Release the accelerator pedal and let the vehicle coast down with the brake pedal released — For greater than 20 s
Accelerate the vehicle from 64 to 97 km/h (40 to 60 MPH) @ Throttle position between 16% and 19%
Release the accelerator pedal and let the vehicle coast down with the brake pedal released — For greater than 20 s
Accelerate the vehicle from 64 to 97 km/h (40 to 60 MPH) @ Throttle position between 19% and 22%
Release the accelerator pedal and let the vehicle coast down with the brake pedal released — For greater than 20 s
Accelerate the vehicle from 64 to 97 km/h (40 to 60 MPH) @ Throttle position between 22% and 25%
Release the accelerator pedal and let the vehicle coast down with the brake pedal released — For greater than 20 s
Maintain steady state throttle at 89 km/h (55 MPH) — For 10 min
Safely stop the vehicle
As long as there are no codes stored when the drive cycle is started and the procedure is done as above, your scan tester should display all monitors are complete or all but the evap monitor are complete.
Oh...and welcome to the '19 ZR1 ownership community. We're all privileged to own the "Last Great Front Engine Corvette".
Thank you. That's great information. I have a couple of questions.
1. What is service mode in step 1?
2. How can I tell throttle position while driving?
3. The way I read this is that all the steps must be performed back to back with minimal stopping. Is that how you understand the procedure?
Which Scan Tool are you using? I was thinking about getting the OBDLink SX Scan Tool strictly because of price, but it looks like this one needs to be plugged into a PC with a cord so it may not be the best option. Is it worth stepping up to the OBDLink LX Bluetooth Scan Tool? Are there other options that are cheaper that will do what I need? If I thought I would use it more I wouldn't have a problem spending more but I haven't had a need for one until now.
I did a little research and went ahead and ordered the OBDLink MX+. I will never use all of features but it looks like it will satisfy all of my needs. How is their app? Is the Torque app Better? Is the paid version worth the $5?
Welcome to a very exclusive club.
My advice is to drive your ZR1 at every opportunity, do not worry about 'keeping the miles down'.
The ZR1 is the most visceral car I have ever driven, including exotics.
The sound and the instant seat of the pants torque is just breathtaking.
I bought mine as an investment, as I already had a C7 Z06 and C8 Stingray,but I fell in love and it will be the last Corvette I will ever sell.
I know right... god forbid the previous owner had to pay taxes on a car that they bought....
I looked into registering in MT and it is totally legal. I was concerned about having a problem down the road. too. The hard part is getting insurance if you don't live in MT. Grundy and Haggarty require that your daily's be registered there. Taxes in NY are high and I fully understand not wanting to pay $15K to NY. He never drove the car so he just needed comprehensive insurance which you can get. I see a lot of exotics at the C&C's and car shows that have MT plates. The dealer I went through specializes in older and rare Corvettes and around 10 of the cars that he has for sale are registered in MT.
03-06-2024, 11:26 AM
