c. Execute Input switch test routine (31 01 34 09 06) d. Read Input switch test routine results with the help of diagnostic tool. If any DTC is present follow the respective DTC troubleshooting procedure to rectify it. MAJOR PRECAUTIONS FOR REPLACEMENT While replacing the BCMs, it is suggested not 1. to touch the BCM pins with hand. While tightening the screws, tightening torque 2. must not exceed BCM upper and lower covers shall not be 3. removed while verifying/replacing the BCM. All of the service tool instructions for BCM 4. replacement shall be followed. Base and Mid BCMs shall be replaced ONE TO 5. ONE in place of the faulty parts. BCM FUNCTIONS D. The inputs and the outputs shall be understood as hardwired, CAN, LIN, RF signals based on the below mentioned color-coding. Black: Hardwired signals • Blue: CAN message • Brown: LIN message • Green: RF signals • 1. EXTERIOR LIGHTS 1.1 Turn Indicators and Hazard Lamps. 1.2 Turn Tip – Lane Changer. 1.3 Brake Lamps. 1.4 Head Lamp - Low Beam. 1.5 Head Lamp - High beam 1.6 Approach Lamps. 1.7 Position Lamps. 1.8 Front Fog Lamps 2. INTERIOR LIGHTS 2.1 Roof Lamp (With Dimming) 2.2 Illuminated Ignition Switch (Key Hole) – Parallel to Roof Lamp 3. WIPER WASHER 3.1 Front wiper low speed/ high speed/ momentary 3.2 Front wiper Intermittent. 3.3 Front washer with drip wipe. 3.4 Rear Wiper Control. 3.5 Rear Wash Control 4. VEHICLE POWER MODE 4.1 Battery Saver Functionality 4.2 Accessory Delay Functionality. 4.3 Transport mode functionality 4.4 Vehicle Power Mode Management 4.5 Active Wake-up Capability 5. CENTRAL LOCKING & RKE 5.1 Central Locking and Unlocking 5.2 Drive Away Locking 5.3 Auto Relock. 5.4 Remote Locking / Unlocking LV SYSTEM 123
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