Symptom Related Diagnostic Procedures

Note regarding diagnosis:
- To narrow the search for the possible fault, the diagnostic chart indicates how the warning lamps or indicators are activated and controlled by a particular system.
- If the warning lamps or indicators display malfunction of more systems simultaneously, it is almost always evidence of a faulty CAN Bus.

NOTE:
- Following warning lamps/indicators receive the information via CAN Bus from Traction systems control module (N47) (on vehicles with multi-functional Instrument Clusters additionally a message appears in the display field):
- Odometer, trip odometer
- Electronic speedometer
- Low brake fluid level/parking brake indicator
- Warning lamp brake pad wear
- ABS indicator
- ETS, ESP indicator
- Warning lamp ETS, ESP
- "Low-range" Indicator receives information via CAN Data-bus from the Transfer case control module (N78).
- Following warning lamps/indicators receive the information via CAN Bus from Injection systems control module (N3) (on vehicles with multi- functional Instrument Clusters additionally a message appears in the display field):
- Tachometer
- Oil level warning lamp
- Coolant temperature
- Fuel reserve warning lamp (if a fuel system leak is detected or fuel filler cap Is not tightly closed while engine is running the warning lamp [A1e4] will blink, not correcting the problem can cause the "check engine" lamp to illuminate)
- Flexible Service System (FSS)
- Oil quality
- Oil level
- Oil temperature
- Engine torque
- Engine speed, coolant temperature
- Instrument cluster receives direct information for the following warning lamps/indicators:
- Outside temperature display
- Fuel gauge
- Turn signal indicator left
- Turn signal Indicator right
- High beam indicator
- Fuel reserve warning lamp
- SRS control and warning lamps
- Battery charging control/warning lamp
- Seat belt warning lamp
- Seat belt/rear seat back rest latch warning lamp
- Windshield washer fluid low level warning lamp
- Coolant low level warning lamp
- Turn signal audio device
- Seat belt warning buzzer
- Lights on warning buzzer
- Key in ignition warning buzzer
- Steering lock warning lamp