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





Check of a control system by body electronics

Step

Action

Yes

No

1

Whether it was analysed operational claims of the client?

Transition to a step 2

To analyse operational claims of the client

2

Include ignition and check the control unit Hours/speed display body electronics

The display «Hours/speed lit up or started blinking.»?

Transition to a step 3

Execute check of a feeding chain and a chain of grounding of the control unit body electronics

If check yielded positive result, establish instead of this control unit the body electronics, similar, obviously serviceable control unit and repeat the test

3

Check value of a diagnostic code of malfunction in the Section Check of a diagnostic code of malfunctions (KDN). It is a code of any malfunction?

Transition to a step 4

Transition to a step 5

4

Find out a cause of defect and restore a working order according to recommendations about this KDN. Malfunction still repeats?

Transition to a step 3

Transition to a step 7

5

Check the BUEK relational system. Whether it was possible to identify malfunction signs?

Transition to the corresponding table of system of diagnostics of signs

Transition to a step 6

6

Examine the control unit body electronics and its electric chain

Whether in serviceable they a condition?

Establish instead of this block, similar, obviously serviceable control unit and repeat the test

Transition to a step 7

7

Execute the final confirming test after KDN cleaning. Malfunction arises again?

Transition to a step 3

The control unit body electronics is serviceable