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Diagnosis Procedure

WARNING: This page is about a different car, the 2011 Suzuki Equator. However, it is still accessible from the selected car via links, so may be relevant.

Regarding Wiring Diagram information, refer to [PARKING, LICENSE PLATE AND TAIL LAMPS SYSTEM: WIRING DIAGRAM ].

DIAGNOSIS PROCEDURE CHART

Step Action YES NO
1  CHECK PARKING LAMP FUSES 
  1. Turn the ignition switch OFF.
  2. Check that the following fuses are not open.

Is the fuse open? 		 Replace the fuse after repairing the affected circuit. GO TO 2
2  CHECK TAIL LAMP RELAY OUTPUT (VOLTAGE) 
  1. Turn the ignition switch OFF.
  2. Disconnect the front combination lamp connectors, front side marker lamp connectors, rear combination lamp connectors and license plate lamp connectors.
  3. Turn the ignition switch ON.
  4. Turn the parking lamps ON.
  5. With the parking lamps ON, check voltage between the front combination lamp connectors and ground.
G00512515G06443463G06443465G06443467Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.

  1. 6. With the parking lamps ON, check voltage between the front side marker lamp connectors and ground.
G00512515G06443463G06443465G06443467Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.

  1. 7. With the parking lamps ON, check voltage between the rear combination lamp connectors and ground.
G00512515G06443463G06443465G06443467Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.

  1. 8. With the parking lamps ON, check voltage between the license plate lamp connector and ground
G00512515G06443463G06443465G06443467Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.

Are voltage readings as specified? 		 GO TO 4 GO TO 3
3  CHECK PARKING, LICENSE PLATE AND TAIL LAMP CIRCUIT (OPEN) 
  1. Turn the ignition switch OFF.
  2. Disconnect IPDM E/R connector E121, E123 and E124.
  3. Check continuity between the IPDM E/R harness connector and the front combination lamp harness connector.
G00512516G06443471G06443473G06443475Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.

  1. 4. Check continuity between the IPDM E/R harness connector (A) (B) and the front side marker lamp harness connector (C).
G00512516G06443471G06443473G06443475Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.

  1. 5. Check continuity between the IPDM E/R harness connector (A) and the rear combination lamp harness connector (B).
G00512516G06443471G06443473G06443475Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.

  1. 6. Check continuity between the IPDM E/R harness connector (A) and license plate lamp connector (B).
G00512516G06443471G06443473G06443475Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.

Are continuity results as specified? 		 Replace IPDM E/R. Refer to [IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM): REMOVAL AND INSTALLATION ]. Repair the harnesses or connectors.
4  CHECK PARKING, LICENSE AND TAIL LAMP GROUND CIRCUITS 
  1. Check continuity between the front combination lamp harness connectors and ground.
G00512517G06443479G06443481G06443483Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.

  1. 2. Check continuity between the front side marker lamp harness connectors and ground.
G00512517G06443479G06443481G06443483Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.

  1. 3. Check continuity between the rear combination lamp harness connectors and ground.
G00512517G06443479G06443481G06443483Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.

  1. 4. Check continuity between the license plate lamp harness connector and ground.
G00512517G06443479G06443481G06443483Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.

Are continuity results as specified? 		 Inspect the parking lamp bulb. Repair the harness.
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