Diagnostic Procedure
*VF SEGMENT(S)/LED(S) INOPERATIVE OR WILL NOT DIM - DIAGNOSTIC PROCEDURE
| TEST | ACTION | APPLICABILITY |
|---|---|---|
| 1 | Is the symptom outside air temp display inaccurate or inoperative?
|
All |
| 2 | Turn the ignition on. With the DRBIII®, read the active ATC DTCs. Does the DRBIII® display any DTCs?
|
All |
| 3 | Turn the ignition on. Press the ATC's PWR switch on.
NOTE:
Compare with a known good ATC Head. Operate all ATC switches while looking at the ATC display panel. Are all of the LEDs & VF Segments operating properly?
|
All |