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Home >> Suzuki >> 2009 >> Equator Base, 4D Pickup >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (VQ40DE) - (5 Of 5) >> Electrical Load Signal Circuit Check >> Diagnosis Procedure
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Diagnosis Procedure

DIAGNOSIS PROCEDURE

Step Action YES NO
CHECK LOAD SIGNAL CIRCUIT OVERALL FUNCTION-I 
  1. Turn ignition switch ON.
  2. Connect SDT and select "Data list" mode.
  3. Select "LOAD SIGNAL" and check indication under the following conditions.
G06441669Courtesy of SUZUKI OF AMERICA CORP.

OK or NG 
GO TO 2. GO TO 4.
CHECK LOAD SIGNAL CIRCUIT OVERALL FUNCTION-II 
Check "LOAD SIGNAL" indication under the following conditions.
OK or NG 
GO TO 3. GO TO 5.
CHECK HEATER FAN SIGNAL CIRCUIT OVERALL FUNCTION 
Select "HEATER FAN SW" and check indication under the following conditions.
OK or NG 
INSPECTION END  GO TO 6.
CHECK REAR WINDOW DEFOGGER SYSTEM 
Refer to [DIAGNOSIS AND REPAIR WORKFLOW: DEFFOGER ]
INSPECTION END   
CHECK HEADLAMP SYSTEM 
Refer to [DIAGNOSIS AND REPAIR WORKFLOW: EXTERIOR LIGHTING SYSTEM ]
INSPECTION END   
CHECK HEATER FAN CONTROL SYSTEM 
Refer to [SYMPTOM MATRIX CHART ] (Type 1) or [SYMPTOM MATRIX CHART ] (Type 2).
INSPECTION END