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Home >> Suzuki >> 2011 >> Grand Vitara Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 118 (Lighting Systems) >> Diagnostic Information and Procedures >> Ignition Keyhole Illumination Control Circuit Check [with Power Door Locks] >> Diagnosis Procedure
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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 INTERIOR ROOM LAMP CONTROL SYSTEM: WIRING DIAGRAM [WITH POWER DOOR LOCKS] .

DIAGNOSIS PROCEDURE CHART

Step Action YES NO
1  CHECK IGNITION KEYHOLE OUTPUT 
SDT
  1. Turn ignition switch ON.
G06443521Courtesy of SUZUKI OF AMERICA CORP.

  1. 2. Select "IGN ILLUM" of BCM (INT LAMP) active test item.
  2. 3. While operating the test item, check voltage between BCM connector M18 terminal 1 and ground.

Is the inspection result normal? 		 Ignition keyhole illumination control circuit is operating normally. GO TO 3.
2  CHECK IGNITION KEYHOLE ILLUMINATION OPEN CIRCUIT 
  1. Turn ignition switch OFF.
G06443522Courtesy of SUZUKI OF AMERICA CORP.

  1. 2. Disconnect BCM connector M18 and ignition keyhole illumination connector.
  2. 3. Check continuity between BCM connector M18 (A) terminal 1 and ignition keyhole illumination connector M150 (B) terminal 2.

Is the inspection result normal? 		 Check the ignition keyhole illumination for an open. If OK, replace the BCM. Refer to [BCM (BODY CONTROL MODULE): REMOVAL AND INSTALLATION ] If NG, replace ignition keyhole illumination. Repair harness or connectors.
3  CHECK IGNITION KEYHOLE ILLUMINATION SHORT CIRCUIT 
  1. Turn ignition switch OFF.
G06443523Courtesy of SUZUKI OF AMERICA CORP.

  1. 2. Disconnect BCM connector M18 and ignition keyhole illumination connector.
  2. 3. Check continuity between BCM connector M18 terminal 1 and ground.

Is the inspection result normal? 		 Check the ignition keyhole illumination for a short circuit. If OK, replace the BCM. Refer to [BCM (BODY CONTROL MODULE): REMOVAL AND INSTALLATION ] If NG, replace ignition keyhole illumination. Repair harness or connectors.
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