Wipers / Washers: Overview Suzuki Equator I

FRONT WIPER BASIC OPERATION

1. BCM detects the combination switch condition by the combination switch reading function.
2. BCM transmits the front wiper request signal to IPDM E/R with CAN communication depending on each operating condition of the front wiper.
3. IPDM E/R turns ON/OFF the integrated front wiper relay and the front wiper high relay according to the front wiper request signal. IPDM E/R provides the power supply to operate the front wiper HI/LO operation.

FRONT WIPER LO OPERATION

1. BCM transmits the front wiper request signal (LO) to IPDM E/R with CAN communication according to the front wiper LO operating condition. Front wiper LO operating condition Ignition switch ON Front wiper switch LO or front wiper switch MIST (while pressing)
2. IPDM E/R turns ON the integrated front wiper relay according to the front wiper request signal (LO).

FRONT WIPER HI OPERATION

1. BCM transmits the front wiper request signal (HI) to IPDM E/R with CAN communication according to the front wiper HI operating condition. Front wiper HI operating condition Ignition switch ON Front wiper switch HI
2. IPDM E/R turns ON the integrated front wiper relay and the front wiper high relay according to the front wiper request signal (HI).

Scheme 1

1. BCM transmits the front wiper request signal (INT) to IPDM E/R with CAN communication according to the front wiper INT operation condition and the intermittent operation delay interval judged value. Front wiper INT operating condition Ignition switch ON Front wiper switch INT Intermittent operation delay interval judgment BCM calculates the intermittent operation delay interval from the vehicle speed signal received from the wiper dial position and the combination meter with CAN communication. WIPER INTERMITTENT DIAL POSITION CHART Wiper intermittent dial position Intermittent operation interval Intermittent operation delay Interval (s) Vehicle speed Vehicle stopped or less than 5 km/h (3.1 MPH) 5 km/h (3.1 MPH) or more or less than 35 km/h (21.7 MPH) 35 km/h (21.7 MPH) or more or less than 65 km/h (40.4 MPH) 65 km/h (40.4 MPH) or more 1 Short ↑ ↓ Long 0.8 0.6 0.4 0.24 2 4 3 2 1.2 3 10 7.5 5 3 4 16 12 8 4.8 5 24 18 12 7.2 6 32 24 16 9.6 7 42 31.5 21 12.6
2. IPDM E/R turns the integrated front wiper relay ON so that the front wiper is operated only once according to the front wiper request signal (INT).
3. BCM detects stop position/except stop position of the front wiper motor according to the front wiper stop position signal received from IPDM E/R with CAN communication.
4. BCM transmits the front wiper request signal (INT) again after the intermittent operation delay interval after the front wiper motor is stopped.

FRONT WIPER AUTO STOP OPERATION

1. BCM stops transmitting the front wiper request signal when the front wiper switch is turned OFF.
2. IPDM E/R detects the front wiper auto stop signal from the front wiper motor and detects the front wiper motor position (stop position/except stop position).
3. When the front wiper request signal is stopped, IPDM E/R turns ON the front wiper relay until the front wiper motor returns to the stop position.

Scheme 2

Note. BCM stops the transmitting of the front wiper request signal when the ignition switch is OFF. IPDM E/R turns the front wiper relay OFF when the ignition switch is OFF.

FRONT WIPER OPERATION LINKED WITH WASHER

1. BCM transmits the front wiper request signal (LO) to IPDM E/R with CAN communication according to the washer linked operating condition of the front wiper.
2. BCM transmits the front wiper request signal (LO) so that the front wiper operates approximately 3 times when the front washer switch OFF is detected. Washer linked operating condition of front wiper Ignition switch ON Front washer switch ON (0.4 second or more)
3. IPDM E/R turns ON the integrated front wiper relay according to the front wiper request signal (LO).
4. The front washer motor is grounded through the combination switch with the front washer switch ON.

FRONT WIPER DROP WIPE OPERATION

1. BCM controls the front wiper to operate once according to the conditions of front wiper drop wipe operation. Front wiper drop wipe operating condition Ignition switch ON Front wiper switch OFF Front washer switch OFF
2. BCM transmits the front wiper request signal (LO) to IPDM E/R with CAN communication so that the front wiper operate once three seconds after front wiper operation linked with washer.
3. IPDM E/R turns ON the integrated front wiper relay according to the front wiper request signal (LO).

FRONT WIPER FAIL-SAFE OPERATION

1. IPDM E/R performs the fail-safe function when the front wiper auto stop circuit is malfunctioning. Refer to [ «FAIL SAFE: IPDM E/R»(ref-375758-S34536145142010102800000) ].

Front Wiper and Washer System: Component Description

PART DESCRIPTION

Scheme 3

Scheme 4

Scheme 5

Diagnosis System (IPDM E/R): Diagnosis Description

Refer to [ DIAGNOSIS SYSTEM (IPDM E/R): DIAGNOSIS DESCRIPTION ].

Description

Fuse list

ITEM DESCRIPTION

Washer switch is integrated with combination switch.

Scheme 6

The front wiper does not operate under any operation conditions.