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ECM Override Parameters:
- ES00
No Overrides display will not show any value in display area on ECCP, as no overrides are active at this point. This is normal resting code where no overrides will be controlled. This code can be used to stop override control without having to go back to system selections.
- ES01
TCC solenoid display will show commanded state of TCC solenoid (00-not engaged, 99-engaged). Pressing UP arrow button will engage TCC and pressing DOWN arrow button will disengage TCC. Vehicle must be in 3rd or 4th gear for override to operate.
- ES02
EGR solenoid #1 can be turned OFF (00) by pressing DOWN arrow button or turned ON (99) by pressing UP arrow button.
- ES03
EGR solenoid #2 can be turned OFF (00) by pressing DOWN arrow button or turned ON (99) by pressing UP arrow button.
- ES04
EGR solenoid #3 can be turned OFF (00) by pressing DOWN arrow button or turned ON (99) by pressing UP arrow button.
- ES05
Canister purge solenoid can be turned OFF (00) by pressing DOWN arrow button or turned ON (99) by pressing UP arrow button.
- ES06
A/C RELAY can be turned OFF (00) by pressing DOWN arrow button or turned ON (99) by pressing UP arrow button.
- ES07
Cooling fan relay #1 can be turned OFF (00) by pressing DOWN arrow button or turned ON (99) by pressing UP arrow button.
- ES08
Cooling fan relay #2 can be turned OFF (00) by pressing DOWN arrow button or turned ON (99) by pressing UP arrow button.
- ES09
IAC MOTOR display will show position IAC motor is being commanded to in percentage of travel. Vehicle must be in Park or Neutral. DOWN arrow button will retract motor (increasing RPM) and UP arrow button will extend motor.
- ES10
Injector control override will work only when vehicle is in Park or Neutral. When entering override, display will show "0", all injectors will be working normally. UP arrow button will increment display by 1, up to 6 (or to 8, for 8 cylinder engine), and then return to "0". Display number indicates cylinder injector number that is being held off. Injector will continue to be held off until DOWN arrow button is used to turn injector back on. DOWN arrow button is used to toggle injector, ON and OFF.