Verification Test VER-2A - Road Test Verification

Inspect the vehicle to ensure that all engine components are connected. Reassemble and reconnect all components as necessary.

If this verification procedure is being performed after a NO TROUBLE CODE test, do the following:

1. Check to see if the initial symptom still exists.
2. If the initial or another symptom exists, the repair is not complete. Check all pertinent Technical Service Bulletins and return to TEST NTC-1A if necessary.

If this verification procedure is being performed after a TROUBLE CODE test, do the following:

For previously read trouble codes that have not been dealt with, return to DTC TEST and follow the path specified. Otherwise, continue.

If the powertrain control module has not been changed:

1. Connect the DRB or equivalent scantool to the PCM data link connector and erase trouble codes.
2. With the DRB or equivalent scantool, reset all values in the adaptive memory.
3. Disconnect the DRB or equivalent scantool.


Ensure no trouble code remains by doing the following:

1. If the repair was for one of the following trouble codes, turn the NC off and start the trouble code test again to ensure the code has not returned. For all others, go to step 2 below.
- No Change In MAP From Start To Run
- Fuel System Rich
- Fuel System Lean
- Catalytic Converter Efficiency Failure
- Closed Loop Temp Not Reached
- EGR System Failure
- EVAP System Failure
- Throttle Position Sensor Voltage Low
- Throttle Position Sensor Voltage High
- TPS Does Not Agree With Map
- Target Idle Not Reached (+/- 200 rpm)
- Vacuum Leak Found (IAC Fully Seated)

2. If this test is for an A/C Relay Control Circuit Code, drive the vehicle for at least five minutes with the A/C ON. For some of the drive, go at least 40 mph; at some point stop the car and turn the engine off for 10 seconds or more; then restart and continue. Ensure the transmission shifts through all gears. Upon completion of the road test, turn the engine off, and read trouble codes with the DRB or equivalent scantool.

3. If the repaired code has reset, the repair is not complete. Check all related Technical Service Bulletins and return to DTC TEST if necessary. If another trouble code has set, return to DTC TEST and follow the path specified for that trouble code. If there are no trouble codes, the repair was successful and is now complete.