Fast Wipe

Fast Wipe

When the wash/wipe switch is moved to the fast wipe position, current flows across the switch (C1740 on LHD, C0278 on RHD) to the wiper motor (C1593 on LHD, C0030 on RHD) on a RLG wire. Current flows across the motor (C1593 on LHD, C0030 on RHD) to earth on a B wire. Current by-passes the in-line resistor located within the wiper motor, enabling the motor to operate at fast speed.

Intermittent Wipe

When the wash/wipe switch is moved to the intermittent wipe position, current flows across the switch (C1740 on LHD, C0278 on RHD) to the wiper delay ECU (C0303) on a WG wire. The wiper delay ECU (C0303) returns a pulsed voltage signal back to the wash wipe switch (C1740 on LHD, C0278 on RHD) on a YLG wire. The pulsed voltage signal flows through the wash wipe switch (C1740 on LHD, C0278 on RHD) to the wiper motor (C1593 on LHD, C0030 on RHD) on a ULG wire. The wiper motor operates at slow speed during the intermittent wipe function.

Flick Wipe

When the wash/wipe switch is moved upwards against (but not past) spring pressure, the wipers will operate until the switch is released. Current flows across the wash/wipe switch (C1740 on LHD, C0278 on RHD) to the wiper motor (C1593 on LHD, C0030 on RHD) on an RLG wire, powering the motor at fast speed until the wash/wipe switch is released.

Park Circuit

The park circuit allows the wipers to return to their park position when the wash/wipe switch has been moved back to the off position. The park switch is integral with the wiper motor (C1593 on LHD, C0030 on RHD), and receives an ignition feed from fuse 9 of the passenger compartment fuse box (C0580) on a WG wire.

The park switch is open circuit when the wipers are in any position other than their park position. When the wipers reach their park position, the switch contacts close, enabling the ignition feed from fuse 9 of the passenger compartment fuse box to flow to the wiper delay ECU (C0303) on an NLG wire. The wiper delay ECU (C0303) then provides a feed to the wash/wipe switch (C1740 on LHD, C0278 on RHD) on a YLG wire. The wipers continue to operate at slow speed (as described in the Slow Wipe section previously) until they reach their park position. The park switch then returns to its open position, cutting the feed to the wiper delay ECU.