LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Suzuki >> 2007 >> SX4 Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 116 (Glass/Windows/Mirrors) >> Diagnostic Information & Procedures >> Front / Rear Window and OSRV Mirror Defogger Diagnosis >> Both Front Window and OSRV Mirror Defogger is Inoperative
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Both Front Window and OSRV Mirror Defogger is Inoperative

WARNING: This page is about a different car, the 2006 Suzuki Verona. However, it is still accessible from the selected car via links, so may be relevant.
BOTH FRONT WINDOW AND OSRV MIRROR DEFOGGER INOPERATIVE DIAGNOSTIC PROCEDURE

Step Action Value(s) Yes No
1 Check the fuse F18.
Is the fuse blown?		 - Go to Step 2 Go to Step 3
2
  1. Check for a short circuit and repair it, if necessary.
  2. Replace the blown fuse.

Is the repair complete?		 - System OK -
3
  1. Turn the ignition ON.
  2. Depress the defogger switch to turn on the defogger system.
  3. Use a voltmeter to check voltage at F18.

Does the voltmeter indicator the specified value?		 11 - 14 V Go to Step 4 Go to Step 5
4 Check the poor connection of I/P fuse block and repair it, if necessary.
Is the repair complete?		 - System OK -
5 Check the open circuit between fuse F18 and ISU and repair it, if necessary.
Does the repair complete?		 - System OK -
6 Check the ISU and replace it, if necessary.
Is the repair complete?		 - System OK -
scientia non olet · About LEMON Manuals