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Inspection Procedure

WARNING: This page is about a different car, the 2007 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK THAT MIL IS ILLUMINATED 
    1. Perform troubleshooting in accordance with the table below.

      Result 

      DTC RESULT REFERENCE

      Condition Proceed to
      MIL remains ON A
      MIL does not illuminate B

    B: Go to step  5

    A: Go to next step 

  2. CHECK WHETHER MIL TURNS OFF 
    1. Connect the intelligent tester to the DLC3.
    2. Turn the ignition switch to the ON position and turn the tester on.
    3. Select the following menu items: DIAGNOSIS / ENHANCED OBD II / DTC INFO / CURRENT CODES.
    4. Check if any DTCs have been stored. Note down any DTCs.
    5. Clear the DTCs (See DTC CHECK/CLEAR  ).
    6. Check if the MIL goes off.

      Standard: MIL goes off. 

    OK: REPAIR CIRCUITS INDICATED BY OUTPUT DTCS 

    NG: Go to next step 

  3. CHECK HARNESS AND CONNECTOR (CHECK FOR SHORT IN WIRE HARNESS) 
    1. Disconnect the ECM connector.
      Fig 1: Identifying Harness And Connector Terminal
      G05128317Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Turn the ignition switch to the ON position.
    3. Check that the MIL is not illuminated.

      OK: MIL is not illuminated. 

    4. Reconnect the ECM connector.

    OK: REPLACE ECM 

    NG: Go to next step 

  4. CHECK HARNESS AND CONNECTOR (COMBINATION METER - ECM) 
    1. Disconnect the ECM connector.
    2. Disconnect the combination meter connector.
      Fig 2: Identifying ECM Connector And Combination Meter Connector Terminal
      G05128318Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance according to the value (s) in the table below.

      Standard resistance (Check for short) 

      RESISTANCE REFERENCE CHART

      Tester Connection Specified Condition
      E5-30 (W) or C8-16 (CHK) - Body ground 10 kΩ or higher
    4. Reconnect the ECM connector.
    5. Reconnect the combination meter connector.

    OK: REPAIR OR REPLACE COMBINATION METER ASSEMBLY 

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

  5. CHECK THAT MIL IS ILLUMINATED 
    1. Check if the MIL is illuminated when the ignition switch is turned to the ON position.

      OK: MIL is illuminated. 

    OK: SYSTEM OK 

    NG: Go to next step 

  6. CHECK THAT ENGINE STARTS 
    1. Turn the ignition switch to the ON position.
    2. Start the engine.

      Result 

      DTC RESULT REFERENCE

      Result Proceed to
      Engine starts A
      Engine does not start* B
      HINT:
      *: The intelligent tester cannot communicate with the ECM.

    B: Go TO VC OUTPUT CIRCUIT 

    A: Go to next step 

  7. INSPECT COMBINATION METER ASSEMBLY (MIL CIRCUIT) 
    1. Check the MIL circuit (See HOW TO PROCEED WITH TROUBLESHOOTING ).

    NG: REPAIR OR REPLACE COMBINATION METER ASSEMBLY 

    OK: CHECK AND REPLACE HARNESS AND CONNECTOR (COMBINATION METER - ECM) 

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