Washer Control Coupled With Wiper

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Fig 1: Washer Control Communication Diagram (Coupled With Wiper)

Courtesy of KIA MOTORS AMERICA, INC.

Under IGN2 = ON, wiper LOW relay is turned ON after T2 from Washer switch ON if washer switch is ON for T1 and wiper LOW relay is turned OFF after T3.

Fig 2: Ignition 2, Washer Switch And Wiper Low Relay Blinking Pattern
Courtesy of KIA MOTORS AMERICA, INC.

T1: 0.06s~0.2s, T2: 0.3s ±0.1s, T3: 0.7s ±0.1s
Under IGN2 switch ON, wiper LOW relay is turned ON after T2 from Washer switch ON if washer switch is ON for at least T1, and wiper LOW relay is turned OFF after T3 from the moment that Washer switch is turned OFF.

Fig 3: Ignition 2, Washer Switch And Wiper Low Relay Blinking Pattern (Washer Switch Turned OFF)
Courtesy of KIA MOTORS AMERICA, INC.

T1: 0.2s(MIN), T2: 0.3s ±0.1s

T3: 2.5s~3.8s(2~3 Turn)
Operation in Item (2) is performed if Washer switch is ON for at least T1 during WIPER operation with Wiper int switch. Operation in Item (1) is performed if Washer switch is ON for T6.

Fig 4: Washer Switch And Wiper Low Relay Blinking Pattern
Courtesy of KIA MOTORS AMERICA, INC.

T1: 0.2s(MIN), T2: 0.3s ±0.1s

T3: 2.5s~3.8s(2~3 Turn), T4: T5 - 0.7s

T5: INT TIME, T6: 0.06s ~0.2s, T7: 0.7s ±0.1s
Operation is cancelled in case of IGN OFF during T3.
Give priority to WASHER interlocking WIPER than Speed sensing INT WIPER function.
Washer switch signal input shall be ignored at start-up (IGN1 ON & IGN2 OFF states).
Switch ON time includes chattering time