Electrical System - Signal Specifications

• Signal Missing - SWM And SAS
  • Checking the power supply and ground for the steering wheel module (SWM)
  • Checking communication with the steering wheel angle sensor module (SAS)
  • Checking the steering wheel angle sensor module (SAS)
  • Signal missing
    • General information
    • Checking resistance in CAN-net
    • Checking the traffic load on the CAN cables
    • Identifying a control module in the CAN network
    • Verification
    • Checking short-circuiting to ground/voltage in CAN-net
    • Checking voltage-drop in cable for CAN-H and CAN-L, respectively
  • Information
    • Fault-tracing information
• Signal missing - DEM
  • Checking the power supply and ground for the differential electronic module (DEM)
  • Checking communication with the differential electronic module (DEM)
  • Checking the differential electronic module (DEM)
  • Signal missing
    • General information
    • Checking resistance in CAN-net
    • Checking the traffic load on the CAN cables
    • Identifying a control module in the CAN network
    • Verification
    • Checking short-circuiting to ground/voltage in CAN-net
    • Checking voltage-drop in cable for CAN-H and CAN-L, respectively
  • Information
    • Fault-tracing information
• Signal missing - TCM
  • Checking the power supply and ground for the transmission control module (TCM)
  • Checking the communication with the transmission control module (TCM)
  • Checking the transmission control module (TCM)
  • Signal missing
    • General information
    • Checking resistance in CAN-net
    • Checking the traffic load on the CAN cables
    • Identifying a control module in the CAN network
    • Verification
    • Checking short-circuiting to ground/voltage in CAN-net
    • Checking voltage-drop in cable for CAN-H and CAN-L, respectively
  • Information
    • Fault-tracing information
• Signal missing - HCM
  • Checking the power supply and ground
  • Checking communication with the headlight control module (HCM)
  • Checking headlight control module (HCM)
  • Signal missing
    • General information
    • Checking resistance in CAN-net
    • Checking the traffic load on the CAN cables
    • Identifying a control module in the CAN network
    • Verification
    • Checking short-circuiting to ground/voltage in CAN-net
    • Checking voltage-drop in cable for CAN-H and CAN-L, respectively
  • Information
    • Fault-tracing information
• Signal specification - ECM
• Signal specification - Door Locking Function
• Signal specification - Central Electronic Module
• Signal specification - Fuel Tank Pressure Sensor
• Signal specification - Heated Oxygen Sensor (6 cylinder)
• Signal specification - S80 & XC90