Resetting EMR Light/Memory

RESETTING EMR LIGHT/RESETTING EMR MEMORY

LIABILITY

Failure to perform the required maintenance and only reset the EMR light, may be a violation of federal law. Only after performing the required maintenance should the EMR light be reset.

PROCEDURE

CAUTION: Be sure to apply parking brake and/or block wheels before performing idle check or adjustment, or any engine running tests.

1. Connect the scan tool to the diagnostic connector located in the engine compartment near the Single Board Engine Controller (SBEC).

2. If possible, START the engine, turn ON the air conditioning, and shift the transmission selector through all of the gears, returning to PARK (A/T) or NEUTRAL (M/T). Turn OFF the air conditioning and shut OFF the engine.

3. Turn ON the ignition switch and observe the CHECK ENGINE LAMP. It should light for approx. 2 seconds then go out.
4. Using the DRB II, go to the SELECT SYSTEM menu that looks like this:

1) ENGINE
2) TRANSMISSION
3) BODY
4) SUSPENSION
5) ABS
6) PASSIVE REST
7) THEFT ALARM

5. Select the ENGINE option. The following menu will appear:

1) WITH A/C
2) WITHOUT A/C

6. Select the appropriate option. The following menu will appear:

1) FUEL/IGNITION
2) CHARGING
3) SPEED CONTROL

7. Select the FUEL/IGNITION option. The following menu will appear:

1) SYSTEM TESTS
2) READ FAULTS
3) STATE DISPLAY
4) ACTUATOR TEST
5) ADJUSTMENTS

8. Select the ADJUSTMENTS option. The following menu will appear:

1) ERASE FAULTS
2) RESET MEMORY
3) RESET EMR LIGHT
4) EMR MEMORY CHECK


9. Select RESET EMR LIGHT option to reset.


10. If the engine controller has been changed, the EMR memory has to be updated with the current mileage of the vehicle. This can be done by selecting RESET MEMORY in the current menu.