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Controller Does Not Illuminate When Light Switch Is ON

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.
Fig 1: Controller Does Not Illuminate When Light Switch Is On Circuit Diagram
G04720091Courtesy of SUZUKI OF AMERICA CORP.
DIAGNOSTIC PROCEDURE

Step Action Value (s) Yes No
1 Check other instrumentation lights.
Are those lights also OFF?		 - Go to INSTRUMENT CLUSTER INDICATOR LAMPS DIAGNOSIS . Go to Step 2
2
  1. Remove the controller.
  2. Check the voltage between terminals A3 and A4 of the controller connector.

Is the voltage within the specified value?		 11 - 14 V Go to Step 4 Go to Step 3
3 Repair the wiring harness between splice S204 and controller connector terminal A4 or between splice S204 and controller connector terminal A3.
Is the repair complete?		 - System OK -
4 Check the illumination lamps.
Is one burned out?		 - Go to Step 5 Go to Step 6
5 Replace the burned out illumination lamp.
Is the repair complete?		 - System OK -
6 Replace the ATC controller.
Is the repair complete?		 - System OK -
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