Low Speed Wiper Operation
- When wiper switch is in LO position, BCM detects low speed wiper ON signal by BCM wiper switch reading function.
- BCM sends front wiper request signal (LO) with CAN communication line
- From BCM Terminals 39 And 40
- To IPDM E/R Terminals 48 And 49.
- When IPDM E/R receives front wiper request signal (LO), it turns ON front wiper relay (built in IPDM E/R), power is supplied
- To Front Wiper Motor Terminal 1
- Through IPDM E/R Terminal 21 And Front Wiper Relay And Front Wiper High Relay.
- Ground is supplied
- To Front Wiper Motor Terminal 2
- Through Body Grounds E21, E50 And E51.
- With power and ground supplied, the front wiper motor operates at low speed.