DTC 011: Powertrain Control Module Time-Out (Related To Engine); DTC 012: Powertrain Control Module Time-Out (Related To A/T): Diagnosis

Required Special Tools: 

• MB991223: Harness Set
• MB992006: Extra Fine Probe
• MB991958: Scan Tool (M.U.T.-III Sub Assembly)
  • MB991824: 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 line. 
   CAUTION: To prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991958.
   1. Connect scan tool MB991958. Refer to "HOW TO CONNECT SWS MONITOR  ."
   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.

   Q: Is the CAN bus line found to be normal? 

   YES  : Go to Step 2.

   NO  : Repair the CAN bus line (Refer to DIAGNOSIS < vehicles without advanced air bag > or DIAGNOSIS < vehicles with advanced air bag >).

   Fig 1: Connecting Scan Tool To Data Link Connector

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
2. STEP 2. Using scan tool MB991958, read the powertrain control module diagnostic trouble code. 

   Check whether engine and automatic transaxle DTCs are set or not.

   1. Turn the ignition switch to the "ON" position.
   2. Check for engine and automatic transaxle DTCs.
   3. Turn the ignition switch to the "LOCK" (OFF) position.

   Q: Is the DTC set? 

   YES  : Diagnose the powertrain control module (Refer to DIAGNOSIS ).

   NO  : Go to Step 3.

   Fig 2: Connecting Scan Tool To Data Link Connector

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
3. STEP 3. Using scan tool MB991958, read the for any diagnostic trouble code. 

   Check if a DTC, which relates to CAN communication-linked systems below, is set.

   • Combination meter

     DTC indicating a time-out error related to the engine or automatic transaxle control system

   • A/C

     DTC indicating a time-out error related to the engine or automatic transaxle control system

   1. Turn the ignition switch to the "ON" position.
   2. Check for a DTC related to the relevant system.
   3. Turn the ignition switch to the "LOCK" (OFF) position.

   Q: Is the DTC set? 

   YES  : Go to Step 4.

   NO  : Go to  Step 5.

   Fig 3: Connecting Scan Tool To Data Link Connector

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
4. STEP 4. Recheck for diagnostic trouble code. 

   Check again if the DTC is set.

   1. Turn the ignition switch to the "ON" position.
   2. Check if the DTC is set.
   3. Turn the ignition switch to the "LOCK" (OFF) position.

   Q: Is the DTC set? 

   YES  : Replace the powertrain control module. On completion, check that the DTC is not reset.

   NO  : A poor connection, open circuit or other intermittent malfunction is present in the CAN bus lines between the powertrain control module and the ETACS-ECU (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION ).

   Fig 4: Connecting Scan Tool To Data Link Connector

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
5. STEP 5. Recheck for diagnostic trouble code. 

   Check again if the DTC is set.

   1. Turn the ignition switch to the "ON" position.
   2. Check if the DTC is set.
   3. Turn the ignition switch to the "LOCK" (OFF) position.

   Q: Is the DTC set? 

   YES  : Replace the ETACS-ECU. On completion, check that the DTC is not reset.

   NO  : A poor connection, open circuit or other intermittent malfunction is present in the CAN bus lines between the powertrain control module and the ETACS-ECU (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION ).

   Fig 5: Connecting Scan Tool To Data Link Connector

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.