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Home >> Suzuki >> 2007 >> Reno Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine - Diagnostic Introduction >> Diagnostic Information & Procedure >> No Malfunction Indicator Lamp >> Troubleshooting
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No Malfunction Indicator Lamp: Troubleshooting

TROUBLESHOOTING CHART

Step Action Value (s) Yes No
1 Attempt to start the engine.
Does the engine start?		 - Go to Step 2 Go to Engine Cranks But Will Not Run 
2
  1. Turn the ignition switch to LOCK.
  2. Disconnect the Engine Control Module (ECM) connector.
  3. Turn the ignition switch to ON.
  4. Connect a test light between the ECM connector terminal C49 and ground.

Is the test light illuminate?		 - Go to Step 3 Go to Step 6
3 Check terminals for damage or poor connection.
Does any problem found?		 - Go to Step 5 Go to Step 4
4 Replace the ECM.
Is the replacement complete?		 - Go to On-Board Diagnostic (OBD II) System Check  -
5 Repair any damaged terminals or poor connection.
Is the repair complete?		 - Go to On-Board Diagnostic (OBD II) System Check  -
6 Check the fuse F4.
Is the fuse open?		 - Go to Step 7 Go to Step 8
7
  1. Check for a short to ground in the circuit and repair as needed.
  2. Replace the fuse F4.

Is the repair or replacement complete?		 - Go to On-Board Diagnostic (OBD II) System Check  -
8
  1. Check for an open circuit between fuse F4 and the ECM connector terminal C49 and repair as needed.
  2. Check the MIL bulb and replace if open.

Is the repair or replacement complete?		 - Go to On-Board Diagnostic (OBD II) System Check  System OK
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