Inspection Procedure

HINT:

Troubleshoot each trouble symptom in accordance with the chart below.

Fig 1: Problem Symptom Chart

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1. CLEAR DTC 
   1. Connect the hand-held tester to the Controller Area Network Vehicle Interface Module (CAN VIM). Then connect the CAN VIM to the DLC3.
   2. Turn the ignition switch ON and push the hand-held tester main switch ON.
   3. Read the DTC (see DTC CHECK/CLEAR  ).
   4. Clear the DTC (see DTC CHECK/CLEAR  ).
   5. Check that MIL is not illuminated.

      OK: MIL is not illuminated. 

   1. OK: REPAIR CIRCUIT INDICATED BY OUTPUT DTC (See  DIAGNOSTIC TROUBLE CODE CHART   ) 
   2. NG: Go to next step. 
2. CHECK HARNESS AND CONNECTOR (CHECK FOR SHORT IN WIRE HARNESS) 
   1. Disconnect the E2 ECM connector.
      Fig 2: Disconnecting E2 ECM Connector

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   2. Turn the ignition switch ON.
   3. Check that MIL is not illuminated.

      OK: MIL is not illuminated. 

   1. OK: REPLACE ECM (SEE  REPLACEMENT  ) 
   2. NG: Go to next step. 

      CHECK AND REPAIR HARNESS AND CONNECTOR 

3. CHECK THAT MIL IS ILLUMINATED 

   Check that the MIL is illuminated when turning the ignition switch ON.

   OK: MIL is illuminated. 

   1. OK: SYSTEM OK 
   2. NG: Go to next step. 
4. INSPECT COMBINATION METER ASSY (MIL CIRCUIT) 

   See the combination meter troubleshooting section in PRECAUTION .

   1. NG: REPAIR OR REPLACE BULB OR COMBINATION METER ASSEMBLY 
   2. OK: Go to next step. 

      CHECK AND REPAIR HARNESS AND CONNECTOR (COMBINATION METER - ECM)