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Home >> Suzuki >> 2012 >> Equator Base >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Lighting Systems >> Diagnostic Information and Procedures >> Daytime Light System Inoperative >> Diagnosis Procedure
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Diagnosis Procedure

NOTE: Before performing the diagnosis, check that the following is normal.
  • High beam lamp function
  • Parking brake warning lamp
  • Engine operation status
DIAGNOSIS PROCEDURE CHART

Step Action YES NO
1  COMBINATION SWITCH (LIGHTING AND TURN SIGNAL) INSPECTION 
Check the combination switch (lighting and turn signal switch). Refer to [COMBINATION SWITCH CIRCUIT CHECK ]
Is the combination switch (lighting and turn signal switch) normal? 		 GO TO 2 Repair or replace the malfunctioning part.
2  CHECK DAYTIME LIGHT REQUEST SIGNAL INPUT 
SDT data list
  1. Parking brake switch is released.
  2. Start engine.
  3. Select "DTRL REQ" of IPDM E/R data list item.
  4. While operating the combination switch (lighting and turn signal switch), check the monitor status.
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Is the item status normal? 		 GO TO 3 Replace BCM. Refer to [BCM (BODY CONTROL MODULE): REMOVAL AND INSTALLATION ]
3  DAYTIME LIGHT RELAY CIRCUIT INSPECTION 
Check the daytime light relay circuit. Refer to [Daytime Light Relay Circuit Check ].
Is the daytime light relay circuit normal? 		 Replace IPDM E/R. Refer to [IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM): REMOVAL AND INSTALLATION ] Repair or replace the malfunctioning part.
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