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Inspection Procedure 3: Engine does not start.
 
 
 
 
TECHNICAL DESCRIPTION (COMMENT)
If the fuel injection does not work, WCM and the MFI system may have a problem. This symptom is not considered abnormal when the engine is started by an ignition key that has not been registered.
 
 
TROUBLESHOOTING HINTS
  • Malfunction of battery
  • Malfunction of the MFI system
  • Malfunction of WCM
  • Malfunction of CAN bus line
  • Malfunction of the transponder
  • VIN not programmed
 
 
DIAGNOSIS
STEP 1. Check the battery voltage.
Measure the battery voltage when cranking.
  • The voltage should measure 8 volt or more.
Is the measured voltage 8 volt or more?
Go to Step 2.
Check the battery. (Refer to GROUP 54A - Battery test .)
 
STEP 2. Using scan tool MB991958, diagnose the CAN bus line.
(1)
cautionTo prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991958.
Connect scan tool MB991958. Refer to "How to connect the Scan Tool (M.U.T.-III) ."
(2) Turn the ignition switch to the "ON" position.
(3) Diagnose the CAN bus line.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Is the CAN bus line found to be normal?
Go to Step 3.
Repair the CAN bus line. (Refer to GROUP 54C, Diagnosis ).
 
STEP 3. Using scan tool MB991958, read the MFI system diagnostic trouble code.
Check if DTC is set in the engine control module.
Is the DTC set?
Troubleshoot the MFI system. (Refer to Refer to GROUP 13A, Diagnostic trouble code chart <2.0L ENGINE> or GROUP 13C, Diagnostic trouble code chart <2.4L ENGINE>.)
Go to Step 4.
 
STEP 4. Using scan tool MB991958, read the WCM diagnostic trouble code.
Check if DTC is set in the WCM.
Is the DTC set?
Troubleshoot the WCM. (Refer to .)
Go to Step 5.
 
STEP 5. Check that the engine starts.
Does the engine start?
The procedure is complete.
Refer to Refer to GROUP 13A, Diagnostic trouble code chart <2.0L ENGINE> or GROUP 13C, Diagnostic trouble code chart <2.4L ENGINE>.)