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Home >> Suzuki >> 2009 >> Equator RMZ-4 >> Repair and Diagnosis >> Body & Frame >> Glass/Windows/Mirrors >> Diagnostic Information and Procedures >> Door Mirror Defogger Circuit Check [LH] >> Diagnosis Procedure
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Diagnosis Procedure

DIAGNOSIS PROCEDURE

Step Action YES NO
CHECK POWER SUPPLY 
Check if the following fuse in the IPDM E/R is blown.
Is the inspection result normal? 
GO TO 2 If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
CHECK DOOR MIRROR DEFOGGER POWER SUPPLY CIRCUIT 
Check voltage between IPDM E/R harness connector E120 terminal 23 and ground.
Is the inspection result normal? 
GO TO 3 Replace IPDM E/R. Refer to [IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM): REMOVAL AND INSTALLATION ]
CHECK DOOR MIRROR DEFOGGER POWER SUPPLY CIRCUIT 
  1. Turn ignition switch OFF.
G06443652Courtesy of SUZUKI OF AMERICA CORP.

  1. 2. Disconnect door mirror LH.
  2. 3. Turn ignition switch ON.
  3. 4. Check voltage between door mirror LH harness connector D4 terminal 1 and ground.

Is the inspection result normal? 
GO TO 4 Repair or replace harness.
CHECK DOOR MIRROR DEFOGGER CIRCUIT 
  1. Turn ignition switch OFF.
G06443653G06443654G06443655Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.

  1. 2. Disconnect IPDM E/R.
  2. 3. Check continuity between IPDM E/R harness connector E120 (A) terminal 23 and door mirror D4 (B) LH or D107 (B) RH terminal 1.
G06443653G06443654G06443655Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.

  1. 4. Check continuity between IPDM E/R harness connector E120 E120 terminal 23 and ground.
G06443653G06443654G06443655Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.

Is the inspection result normal? 
GO TO 5. Repair or replace harness.
CHECK DOOR MIRROR DEFOGGER GROUND CIRCUIT 
Check continuity between door mirror LH harness connector D4 terminal 6 and ground.
6 - Ground: Continuity should exist. 
Is the inspection result normal? 
GO TO 6 Repair or replace harness.
CHECK DOOR MIRROR DEFOGGER LH 
Check door mirror defogger LH.
Refer to [DOOR MIRROR DEFOGGER CIRCUIT CHECK [LH] ].
Is the inspection result normal? 
GO TO 7 Replace door mirror. Refer to [DOOR MIRROR ASSEMBLY: REMOVAL AND INSTALLATION ].
CHECK INTERMITTENT INCIDENT 
Check intermittent incident.
Refer to [SERVICE INFORMATION FOR ELECTRICAL INCIDENT: INTERMITTENT INCIDENT ]
Is the inspection result normal? 
Check the following. 
  • Battery power supply circuit
  • IPDM E/R
Repair or replace the malfunctioning parts.