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14 anti-lag switch – Haltech E6S User Manual

Page 92

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92

16.14 Anti-Lag Switch

The Anti-Lag switch function allows turbo-charged vehicles to decrease the “lag” associated
with boost when the motor is not under full load.

There are 6 adjustable parameters:

Enabled / Disabled : This either enables or disables this function.


Retard Value :

The ignition timing is retarded by this amount when the Anti-

Lag conditions for operation are met. The valid range for the

Retard value is (1 to 20)

°

ATDC.


% Inc. Fuel :

The percentage of fuel increased during Anti-Lag operation.

The valid range for this function is (1 to 50)%.

Zero TPS ONLY :

If the Anti-Lag function is to be used when the Throttle Position
Sensor value is zero then turn this function ON. Otherwise
select OFF.


Zero Inj Time :

If the zero TPS only function is ON then this value determines

the amount of fuel injected at zero or no throttle. The valid

range is (1-16) mS.


Throttle Perc :

The throttle position value below which Anti-Lag is

operational. The valid range is (5-80)%.



The anti-lag system is enabled by a switch connected to the Auxiliary Input/Output. Once
enabled, if the conditions in the anti-lag parameters are met, the anti-lag system will be
activated. In some systems the switch is activated by the clutch.












WARNING: DO NOT OPERATE ANTI-LAG FOR PROLONGED PERIODS.
EXHAUST AND TURBO TEMPERTAURES RISE WHICH MAY CAUSE ENGINE
DAMAGE.

Anti-lag Enable

Switch

To ECU : Aux Out

To Anti-lag valve

Switch Position Anti-lag

Closed

Open

enabled

disabled

To ECU : Aux In