DTC C2003: Control parameter not implement: Diagnosis

Required Special Tools: 

• MB991958: Scan Tool (M.U.T.-III Sub Assembly)
  • MB991824: Vehicle Communication Interface (V.C.I.)
  • MB991827: M.U.T.-III USB Cable
  • MB991910: M.U.T.-III Main Harness A

1. STEP 1. Using scan tool MB991958, diagnose the CAN bus lines. 

   Use scan tool to diagnose the CAN bus lines.

   Q: Is the check result normal? 

   1. YES:  Go to Step  3.
   2. NO:  Repair the CAN bus lines (Refer to CAN BUS DIAGNOSTIC TABLE ). On completion, go to Step 2.
2. STEP 2. DTC recheck after resetting CAN bus lines 

   Q: Is DTC C2003 set? 

   1. YES:  Go to Step 3.
   2. NO:  The procedure is complete.
3. STEP 3. Using scan tool MB991958, check the other system DTC 

   Use scan tool to check whether any coding-related diagnostic trouble code is set by ETACS-ECU.

   Q: Is the DTC set? 

   1. YES:  Troubleshoot for the relevant diagnostic trouble code (Refer to CHECK CHART FOR DIAGNOSTIC TROUBLE CODES ). Then go to Step  8.
   2. NO:  Go to Step 4.
4. STEP 4. Check part number of ASC-ECU 

   Check the part number of ASC-ECU.

   Q: Is the check result normal? 

   1. YES:  Go to Step 5.
   2. NO:  Replace the hydraulic unit (ASC-ECU) (Refer to HYDRAULIC UNIT  ). Then go to Step  8.
5. STEP 5. ETACS-ECU coding data check 

   Refer to CODING LIST .

   Vehicle line 

   OK: LANCER 

   Transmission 

   OK (M/T): 5MT 

   OK (CVT): CVT 

   OK (TC-SST): TC-SST 

   Engine type 

   OK (2.4L engine): 2.4L D4 MPI VVT 

   OK (2.0L Non-Turbo engine): 2.0L D4 MPI VVT 

   OK (2.0L Turbo engine): 2.0L D4 VVT T/C 

   Engine power 

   OK: Normal 

   Chassis type for A.S.C. 

   OK (2.4L engine, 2.0L Non-Turbo engine): Type 4 

   OK (2.0L Turbo engine): Type 6 

   Final drive 

   OK (2.4L engine, 2.0L Non-Turbo engine): Front Drive 

   OK (2.0L Turbo engine): AWD FF Base 

   Transfer 

   OK (2.4L engine, 2.0L Non-Turbo engine): 2WD 

   OK (2.0L Turbo engine): ACD 

   SAS 

   OK: Present 

   4WD/AWD 

   OK: Not present 

   TCM 

   OK (M/T): Not present 

   OK (CVT, TC-SST): Present 

   ACDAYC 

   OK (2.4L engine, 2.0L Non-Turbo engine): Not present 

   OK (2.0L Turbo engine): Present 

   Q: Is the check result normal? 

   1. YES:  Go to Step 6.
   2. NO:  Replace the ETACS-ECU (Refer to ETACS-ECU ).
6. STEP 6. Check part number of ETACS-ECU 

   Check the part number of ETACS-ECU.

   Q: Is the check result normal? 

   1. YES:  Go to Step 7.
   2. NO:  Replace the ETACS-ECU (Refer to ETACS-ECU ).
7. STEP 7. Check whether the DTC is reset. 

   Q: Is DTC C2003 set? 

   1. YES:  Replace the hydraulic unit (ASC-ECU) (Refer to HYDRAULIC UNIT  ). Then go to Step 8.
   2. NO:  The trouble can be an intermittent malfunction (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION ).
8. STEP 8. Check whether the DTC is reset. 

   Q: Is DTC C2003 set? 

   1. YES:  Return to Step  1.
   2. NO:  The procedure is complete.