Diesel Data: Automotive Repair

ICM (Integrated Circuit Module) Relay Box





Inspection

Rain Sensor
Check for continuity between the terminals.
1. There should be continuity between the No.9 and No.10 terminals when power and ground are connected to the No.1 and No.4 in the ICM relay A terminal.
2. There should be continuity between the No.9 and No.10 terminals when power is disconnected.