Test Description

WARNING: This page is about a different car, the 2004 Suzuki Swift + and 2004 Chevrolet Aveo. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers on the diagnostic table.

2: This step determines if the condition is with the MIL control circuit or the ECM.

Malfunction Indicator Lamp (MIL) Always On

Step	Action	Yes	No
Schematic Reference: Engine Controls Schematics Connect End View Reference: Engine Control Module (ECM) Connector End Views or Engine Controls Connector End Views
1	Did you perform the Diagnostic System Check - Engine Controls?	Go to Step 2	Go to Diagnostic System Check - Engine Controls
2	IMPORTANT: Do not perform this diagnostic if there is a DTC set. Turn OFF the ignition. Disconnect the engine control module (ECM). Turn ON the ignition, with the engine OFF. Observe the MIL. Is the MIL illuminated?	Go to Step 3	Go to Step 5
3	Remove the driver information center (DIC)/clock. Refer to Clock Replacement in Instrument Panel, Gages, and Console. Test the MIL control circuit for a short to ground between the ECM and the DIC/clock. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 6	Go to Step 4
4	Replace the DIC/clock. Refer to Clock Replacement in Instrument Panel, Gages, and Console. Did you complete the replacement?	Go to Step 6	-
5	Replace the ECM. Refer to Engine Control Module (ECM) Replacement . Did you complete the replacement?	Go to Step 6	-
6	Operate the system in order to verify the repair. Did you correct the condition?	System OK	Go to Step 2