Suzuki GRAND VITARA JB416, Service Manual

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10B-4 Body Electrical Control System:
Diagnostic Information and Procedures
Body Electrical Control System Check
S5JB0EA204002
1. BCM 22. Navigation 43. Dimmer and passing switch
2. Auto-ON headlight sensor 23. POWER/NORMAL mode switch 44. Horn relay
3. Rear wiper motor 24. Headlight auto leveling control module 45. Horn switch
4. Rear wiper relay 25. Front fog light relay 46. Horn
5. Rear wiper and washer switch 26. Tail light relay 47. Lighting switch
6. Outside air temperature sensor 27. Junction connector 48. Ignition switch
7. Ignition key switch 28. Door mirror heater relay 49. Battery
8. Theft deterrent light 29. Rear end door lock actuator 50. To turn signal light
9. Oil pressure switch 30. Data link connector (DLC) 51. Body ground
10. Generator 31. Headlight high beam relay 52. Engine ground
11. Information display 32. Headlight low beam relay 53. Right side door mirror heater
12. Keyless entry receiver 33. Door lock motor relay 54. Left side door mirror heater
13. Driver side door switch 34. Driver side door lock actuator INT: Intermittent position
14. Other than driver side door switch 35. Passenger side door lock actuator ON: Rear wiper ON position
15. HVAC control module 36. Rear door lock actuator LO: Low beam position
16. Driver side seat belt switch 37. Turn signal and hazard warning relay HI: High beam position
17. Brake fluid level switch 38. Hazard warning switch A: Auto position
18. Parking brake switch 39. Interior light C: Clearance position
19. Door key cylinder switch (included in door lock actuator) 40. Air bag control module H: Head position
20. Manual door lock switch 41. Rear window defogger relay
21. Front fog light switch 42. Rear window defogger
Step Action Yes No
1
)
Customer complaint analysis
1) Perform customer complaint analysis.
Was customer complaint analysis performed?
Go to Step 2. Perform customer
complaint analysis.
2
)
Problem symptom confirmation
1) Perform problem symptom confirmation.
Does trouble recur?
Go to Step 3. Go to Step 7.
3
)
DTC check
1) Check DTC.
Is it malfunction code?
Go to Step 4. Go to Step 5.
4
)
Troubleshooting for DTC
1) Check and repair according to DTC diag. flow.
Are check and repair completed?
Go to Step 7. Check and repair
malfunction part(s).
5
)
Body electrical control system symptom diagnosis
1) Perform check and repair referring to “Symptom
Diagnosis” of system having a trouble.
Is there faulty condition?
Repair or replace
malfunction part(s). Go to Step 6.
6
)
Check for intermittent problem
1) Check for intermittent problem.
Is there faulty condition?
Repair or replace
malfunction part(s). Go to Step 7.
7
)
Final confirmation test
1) Clear DTC referring to “DTC Clearance: in related
manual”.
2) Check DTC referring to “DTC Check: in related manual”.
Is there any DTC?
Go to Step 4. End.