Controller Does Not Illuminate When Light Switch Is ON

Fig 1: Controller Does Not Illuminate When Light Switch Is On Circuit Diagram

Courtesy 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	Remove the controller. 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	-