Do you need to clear fault codes before a drive cycle?
After completing any emissions-related service, you need to clear all OBD-II diagnosis fault codes by using a professional digital scanner. This needs to be completed prior to beginning the actual drive cycle test.
Is the left motor of my pilot Bad?
The left motor* has a bad connection. Check all the connections and leads between the left motor and the Pilot. The left motor* has a short circuit to a battery. Check all the connections and leads between the left motor and the battery. The right motor* has a bad connection.
What does it mean when your pilot is locked?
The joystick has been displaced while the Pilot is being switched on. Place the joystick in the center position and turn the Pilot off and on again. This indicates that the Pilot has been locked and cannot be driven. Unlock the Pilot.
What causes the pilot to go into sleep mode?
An excessive voltage has been applied to the control system. This is usually caused by a poor battery connection. Check the battery connections. The control system has entered sleep mode. Switch the Pilot off and then on again. The joystick has been displaced while the Pilot is being switched on.
How many miles must I drive for the Check Engine light to come back on?
Problem wasn’t fixed. codes were erased but no work was done how many mile must I drive for the engine light to come back on. Code reads left camshaft adjuster. All codes have various drive cycle criteria that need to be met before the computer in your car decides it sees a fault and sets a Check Engine light.
How long after clearing codes to complete new cycle?
NOTE: The ignition key must not be on prior to the cold start otherwise the heated oxygen sensor diagnostic may not run. 1. As soon as the engine starts, idle the engine in drive for two and a half minutes with the A/C and rear defrost on.
What should I do if my drive cycle won’t work?
Also, if the battery is weak or undercharged, some of the most important tests will never run. The vehicle must sit overnight, or for at least eight hours, in an environment that is less than 90° F. The engine temperature needs to match the air temperature in order to establish an accurate baseline for the testing.
What should IAT be at start of drive cycle?
The actual drive cycle must conform exactly to the following instructions, or the various monitors may not run to completion. The drive cycle begins with a cold engine startup. The IAT must be between 32 and 85 degrees F. Engine Coolant Temperature (ECT), must be less than 127 degrees F.
Where can I find the trouble code on my car?
You can read your car’s diagnostic trouble codes yourself with a low-cost Diagnostic Code Scanner that plugs in under the dash to access the car’s computer.
What does clearing a code on a car do?
Clearing a particular code on the other hand simply tells the system “forget that failure happened and turn off the check engine light.”. Not the same thing. On a 93 though the ECU may not be quite that capable.
What happens if you drive a car that is deemed unsafe?
If you drive a car that is deemed unsafe, you could still receive a fine of up to £2,500, be banned from driving and receive three penalty points on your license. Check these maintenance tips to see what you can do.
What happens to trouble codes after car is repaired?
After your car is repaired, the technician will erase the trouble codes from the computer. That’s good because your car will fail the emissions retest if any trouble codes are present.
How can I clear trouble shooting codes on my car?
Some forums can only be seen by registered members. After you create your account, you’ll be able to customize options and access all our 15,000 new posts/day with fewer ads. I hear people use scan tools to clear trouble-shooting codes on their cars. I reset the ECU on my car to clear the codes, but they come back.
What happens when no codes are set for OBD2?
This means that if no codes are set (translates to no trouble found) after all the monitors have been run, then your vehicle is running clean and will pass an OBDII plug-in emissions test or a tailpipe smog check.
Can a code reader turn off the Check Engine light?
With a code reader you can easily clear codes and turn off the “check engine” light, but you will however not be able to check for readiness and may fail to get a sticker in case your vehicle finds itself at the DMV’s office.
How to pass inspection and complete a drive cycle?
If you have a Code Scout 700 http://amzn.to/Nnwvot you can get a reading that tells you how many monitors are ready and how many are incomplete. All 8 monitors need to be in a “ready” status before you can pass inspection.
What do you need to know about OBD II drive cycle?
General Motors (specific) OBD II Drive Cycle. Performing a GM OBDII Driving cycle: Cold Start. In order to be classified as a cold start the engine coolant temperature must be below 122 F (50 C) and within 11 F (6 C) of the ambient air temperature at startup.
After completing any emissions-related service, you need to clear all OBD-II diagnosis fault codes by using a professional digital scanner. This needs to be completed prior to beginning the actual drive cycle test.
In this video I’ll show you how to complete a drive cycle and pass inspection after turing off your check engine light. It is true that your car will not pass inspection if the check engine light is on. However there is more to it than simply turning it off.
When does the PCM suspend the drive cycle?
If your battery is more than four years old, replace it and re-run the Drive Cycle. Even though your car may start just fine, the PCM is hypersensitive to the slightest glitch in the battery. It will suspend the Drive Cycle if it is not happy with any aspect of battery performance and/or charging system performance.
What to do when the drive cycle won’t start?
But if the oxygen sensor and catalyst monitor are ready, then the heater has to be working or the other two monitors would fail and set codes. If the EVAP monitor is not ready, verify that your fuel cap is tight and the level of fuel is between 1/4 and 3/4 full. If all the other monitors are ready, then do a couple more “cold” starts.