Negative Pressure Check/Traction Control [Vehicles With TCL]

NEGATIVE PRESSURE CHECK DURING TRACTION CONTROL OPERATION





1. Disconnect the vacuum hose (green stripe) from the vacuum actuator, connect a hand vacuum pump between the actuator nipple and the vacuum hose via a T-Joint. Set the hand vacuum pump near the driver's seat so that the negative pressure check can be carried out at the driver's seat.
2. Check the negative pressure during traction control operation.
Inspection service points are the same as for the traction control operation inspection.

Normal Condition:

Normal condition:

NOTE: The traction control system function will stop 20 seconds after the accelerator pedal has been depressed~ and negative pressure will gradually drop.