Electrical Systems - Symptom Related Diagnostic Procedures

• Checking Alarm Cause (2001-2004)
  • Reading off the alarm cause
    • Reading off the alarm cause
    • Communication fault
      • Communication fault
    • Checking communication errors
      • Selecting car model
      • Checking communication errors
    • Fault-tracing information
      • Fault-tracing information
    • Description of reading off alarm causes
      • The data is read out as follows:
• Checking Cable To Wiper Motor (2001-2009)
  • Checking cable to wiper motor
    • Checking cable to wiper motor
• Checking Can-Net's Rest Status (2001-2009)
  • Checking Can-net's rest status
    • Preparations for power supply, CAN network
    • Measuring the voltage level on the CAN network.
• Checking Clock In The Information Module (2001-2004)
  • Checking clock in the information module
    • Checking the real time clock in Central Electronic Module (CEM)
    • Replacement of control unit
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• Checking Courtesy Lighting (2001-2004)
  • Checking courtesy lighting
    • Checking the bulbs
    • Checking cable to ground
    • Checking the power supply wiring
    • Light switch replacement
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• Checking Dipped Beam Adjustment (2001-2004)
  • Checking dipped beam adjustment
    • Programming control module
      • Programming procedures
      • Programming parameters
    • Programming the seat temperature (central electronic module)
      • Programming the seat temperature (central electronic module)
      • Celsius
      • Fahrenheit
      • Checking the left seat
      • Checking the right seat
      • Save the programmed value
    • Programming the home safe lights
      • Programming the home safe lights
      • Save the programmed value
    • Programming daytime running lamps
      • Programming daytime running lamps
      • Save the programmed value
    • Programming the wiper function for the rear windshield (5 door models)
      • Programming the wiper function for the rear windshield (5 door models)
      • Save the programmed value
• Checking Dipped Headlamp (2001-2004)
  • Checking low beam
    • Checking the wiring and the relay
    • Checking the wiring for the lamp housing
  • Fault-tracing information
• Checking Electronic Child Locks (2001-2004)
  • Checking electronic child locks
    • Checks
      • Checking the switch
      • Checking fuses
      • Checking the relay
      • Checking the signal cable
    • Verification
      • Verification
    • Information
      • Fault-tracing information
  • Fault-tracing information
• Checking Extra Lamp (2001-2004)
  • Checking extra lamp
    • Checking relay and wires
  • Trouble-shooting information
• Checking Foldable Head Restraints (2001-2004)
  • Checking foldable head restraints
    • Checking the relay
    • Checking components and wiring
  • Trouble-shooting information
• Checking For Short Circuit On Can Bus System, Low Speed Network (2001-2004)
  • Checking for a short-circuit in the CAN bus system, low speed network
    • Checking for a short-circuit
    • Checking the connectors and bus cable, permanent
    • Fault-tracing information
  • Trouble-shooting information
• Checking Front Fog Lamp (2001-2004)
  • Checking front fog lamp
    • Checking relay and wires
  • Trouble-shooting information
• Checking Fuses (2005-2009)
  • Checking fuses
    • Checking fuses
      • Fault-tracing information
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• Checking Headlamp (2001-2004)
  • Checking headlamp
    • Checking relay and wires
    • Checking the wires
  • Trouble-shooting information
• Checking Impact Status (2005-2009)
  • Checking impact status
    • Checking impact status
• Checking Leaks From The Sun Roof (2001-2009)
  • Checking leaks from the sun roof
    • Checks
      • Checking water leaks
      • Functionality check
    • Information
      • Fault-tracing information
    • Sun Roof, Leak Test
      • Notes
      • Leak Test
      • Panel, C-Post, Replacing
  • Trouble-shooting information
• Checking Locking To Deadlock (2001-2004)
  • Checking locking to deadlock
    • Selecting a door
    • Checking the front door
    • Checking rear doors
    • Circuit test
    • Circuit test (cont.)
    • Checking the component
    • Function test
    • Replacing the lock unit
    • Replacing the control module
    • Checking relay power supply
    • Checking fuses
    • Checking for open-circuits
    • Checking for short-circuits
  • Trouble-shooting information
• Checking Noise From The Sun Roof (2001-2009)
  • Checking noise from the sun roof
    • Checks
      • Noise from the sun roof
      • Checking the sun roof
      • Functionality check
    • Information
      • Fault-tracing information
  • Trouble-shooting information
• Checking Rear Window Lift (2001-2004)
  • Checking rear window lift
    • Checks
      • Checking fuse 11C/37 (30A)
      • Checking power supply wire
      • Checking contact resistance, oxidation
      • Checking for open circuits from relay to motor
      • Checking the power supply wires
      • Checking intermittent short circuit to ground
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• Checking Remote Control, Poor Contact With Battery (2005-2006)
  • Checking remote control, poor contact with battery
    • Checking remote control, poor contact with battery
• Checking Remote Controls (2001-2009)
  • Checking the remote control
    • Checks
      • Checking the remote control
      • Checking the wires and components
      • Replacing the control unit
      • Checking the function
      • Checking S-voltage feed
    • Information
      • Fault-tracing information
    • Information about "dead zones" for wireless communication
  • Trouble-shooting information
• Checking Remote Start Of The Parking Heater (2001-2009)
  • Checking remote start of the parking heater
    • Fault-tracing information
      • Fault-tracing information
      • Activating the parking heater
      • Checking the batteries in the remote control
      • Remote control
      • Checking wiring or terminals
      • Activating the heater
      • Replacing the batteries in the remote control
      • Checking wiring and terminals
      • Replacing the remote start unit
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• Checking Rest Current (2005-2009)
  • Checking rest current
    • Preparations for standby current measurement
    • Connecting the measuring instrument
    • Measurement method
    • Fault tracing by successive elimination
• Checking Reverse Light Contact (1) (2001-2004)
  • Checking reverse light contact
    • Checking wire and replacement of component
  • Trouble-shooting information
• Checking Reverse Light Contact (2) (2001-2004)
  • Checking reverse light contact
    • Checking wire and replacement of component
  • Trouble-shooting information
• Checking Sensors (2001-2009)
  • Checking sensors
    • Notes
    • Checking the tilt sensor
    • Checking the movement sensor
    • Replacing sensors
    • Verifying sensors
    • Verifying the movement sensor
    • Verifying the tilt sensor
    • Information
      • Fault-tracing information
  • Fault-tracing information
• Checking Starting Conditions (B5204T5; 2004)
  • Checking the start requirements
    • Checking the fuel pump (FP)
    • Checking the start parameters
  • Trouble-shooting information
• Checking Starting Conditions (B5234T3; 5244S; 2001-2004)
  • Checking the start requirements
  • Trouble-shooting information
• Checking Starting Conditions (B5244T3; 001-2003)
  • Checking the start requirements
  • Trouble-shooting information
• Checking Starting Conditions (B5254T2; 2003-2004)
  • Checking the start requirements
  • Trouble-shooting information
• Checking Sun Roof Operation (2001-2009)
  • Checking sun roof operation
    • Checks
      • Calibrating the sun roof module (SRM)
      • Checking operation
      • Checking sun roof closure
      • Checking the mechanism
      • Checking sun roof installation
      • Checking voltage
      • Checking cables
      • Checking cables and battery voltage
      • Checking closure
      • Checking the sun roof
      • Functionality check
    • Information
      • Fault-tracing information
  • Trouble-shooting information
• Checking Supplies (B5204T5; 2004)
  • Checking the feeds
    • Checks
      • Checking supply
    • Verification
      • Verification
    • Information
      • Fault-tracing information
  • Trouble-shooting information
• Checking Supplies (B5234T3; 5244S; 001-2004)
  • Checking the feeds
  • Trouble-shooting information
• Checking Supplies (B5244T3; 001-2003)
  • Checking the feeds
  • Trouble-shooting information
• Checking Supplies (B5254T2; 003-2004)
  • Checking the feeds
  • Trouble-shooting information
• Checking The 30 And 15-Supply (2001-2004)
  • Checking the 30 and 15-supply
    • Checks
      • Checking the 30-supply
      • Checking the 30-supply continued
      • Checking the 15-supply
      • Verification
    • Information
      • Fault-tracing information
    • Starter switch, replacing
      • Removal
        • Preparations
        • Start switch
      • Installation
• Checking The Alarm (2001-2009)
  • Checking the alarm
    • Checking the connectors
    • Checking components and wiring
  • Trouble-shooting information
• Checking The Alarm Cause (2005-2009)
  • Reading off the alarm cause
    • Reading off the alarm cause
    • Communication fault
      • Communication fault
    • Checking communication errors
      • Selecting car model
      • Checking communication errors
    • Fault-tracing information
      • Fault-tracing information
    • Description of reading off alarm causes
      • The data is read out as follows
• Checking The Back-Up (Reversing) Lamp (1) (2001-2004)
  • Checking the back-up (reversing) lamp (1)
    • Checking the relay
    • Checking components and wiring
  • Trouble-shooting information
• Checking The Back-Up (Reversing) Lamp (2) (2001-2004)
  • Checking the back-up (reversing) lamp (2)
    • Checking the relay
    • Checking the wiring
  • Trouble-shooting information
• Checking The Battery Voltage (2001-2009)
  • Checking the battery voltage
    • Checking the power supply
  • Fault-tracing information
• Checking The Beam Setting Adjustment (2001-2004)
  • Checking headlamp beam height control
    • Checks
      • Checking headlamp beam height control
    • Motor height control headlamp, replacing
  • Trouble-shooting information
• Checking The Belt Lock (2001-2002)
  • Checking the belt lock
    • Checking the fuse
    • Checking the power supply
    • Repairing the wire
    • Checking the wires
  • Trouble-shooting information
• Checking The Boot Lid Automatic Closing (2001-2009)
  • Checking automatic closing of the sun roof
    • Checking components and wiring
  • Trouble-shooting information
• Checking The Brake Light (2001-2004)
  • Checking the stop lamp
    • Checks
      • Checking the wiring and the relay
    • Bulb Tail Lamp/Stop Lamp/Back-Up Lamp/Fog Lamp, Replacing
      • Removal
        • Preparations
        • Bulbs
      • Installation
        • Bulbs
  • Trouble-shooting information
• Checking The Button Diodes (2001-2009)
  • Checking button LEDs
    • Checking components and wiring
  • Trouble-shooting information
• Checking The Cargo Compartment Lighting (2001-2004)
  • Checking the cargo compartment lighting
    • Checking the connectors
    • Checking components and wiring
  • Trouble-shooting information
• Checking The Courtesy Light (2001-2004)
  • Checking the courtesy light
    • Programming the home safe lights
      • Programming the home safe lights
      • Save the programmed value
• Checking The Courtesy Lighting (1) (2001-2009)
  • Checking the interior lighting (1)
    • Checking the interior lighting (1)
      • Checking components and wiring
    • Bulb, Vanity Mirror, Replacing
      • Removal
        • Lens And Bulb
      • Installation
        • Sun Visor, Lens And Bulb
  • Trouble-shooting information
• Checking The Courtesy Lighting (2) (2001-2009)
  • Checking the interior lighting (2)
    • Checking the interior lighting
    • Programming a short interior lighting period
    • Programming a long interior lighting period
• Checking The Direction Indicator Display (2001-2004)
  • Checking the direction indicator display
    • Checking the shunt and wires