Suzuki Grand Vitara SQ416/SQ420/420WD

since 1998 of release

Repair and car operation

Suzuki Grandee of Wetar
+ General information
+ Maintenance and greasing
+ Heater, ventilation and conditioner
+ Steering
+ Suspension bracket
+ Wheels and tires
+ Forward driving shaft/bearing of a shaft. Oil epiploon
+ Driveshafts
+ Brake system
+ Engines
+ Fuel system
+ ignition System
+ start System
+ release System
+ Transmissions
+ Coupling
+ Transfer
+ Forward and back differentials
+ Windows, mirrors, locks and security measures. Immobilizer
- Electric equipment
   - Body electric equipment
      - Main description of the control unit body electronics
         Arrangement of knots
         Electroconducting scheme
         Self-diagnostics function
         Table of entrance/target signals of the control unit body electronics
         Precautionary measures when diagnosing malfunctions
         Check of a control system by body electronics
      + Codes of diagnostics of malfunctions
      + General description
   + lighting System
   + electric equipment System
   + Tools/information for drivers

Self-diagnostics function

The control unit body electronics constantly diagnoses a condition of knots and electric chains of system (in independence of, whether there are signs of malfunction or not) and shows results (the prevention of malfunction and KDN existence) on the display "Hours/speed.", as shown below.

In case of detection by malfunction system, display "Hours/speed." (1) will start to blink and the zone in which malfunction was found, will be brought in memory of the control unit by body electronics.

When grounding the diagnostic plug (3) of the control unit by body electronics, the zone of malfunction will be displayed on the display "Hours/speed." (1) in the form of a KDN code and the period of updating of a code will make 3 seconds (the table of correspondences below is shown).

1 — the display "Hours/speed."
2 — a repair wire
3 — the diagnostic plug
4 — "mass" of the case
5 — an air inlet fragment

System condition		Display Hours/speed
System condition		The plug of the diagnostic switchboard is not earthed	The plug of the diagnostic switchboard is earthed
Now in good repair	Before malfunctions it is not revealed	It is included	КДН 12
Now in good repair	Earlier malfunctions were found	It is included	History KDN
Now in failure condition	Before malfunctions it is not revealed	Blinks	Current KDN
Now in failure condition	Earlier malfunctions were found	Blinks	Current KDN and history KDN