Displaying & Reading Trouble Codes

1. Enter the diagnostics by simultaneously pressing the Electronic Climate Control (ECC) display panel OFF and WARMER buttons until all displays are lit.
2. Malfunction codes are displayed in the following sequence:
a. ..ECC Current codes (Parameter Number-00)
b. 1..ECC History codes (Parameter Number-00)
c. ECM codes (Parameter Number-01)
3. To select a specific diagnostic parameter, press HI to increment the number, and LO to decrement the number.
4. Clearing codes returns to parameter number display.
5. OUTSIDE TEMP toggles display between parameter number and parameter data.

NOTE: To exit the diagnostics test, press AUTO.