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DTC Check / Clear [08/2013 - ]

WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK DTC (for TIRE PRESSURE WARNING ECU AND RECEIVER) (USING TECHSTREAM) 
    1. Turn the power switch off.
    2. Connect the Techstream to the DLC3.
    3. Turn the power switch on (IG).
    4. Turn the Techstream on.
    5. Enter the following menus: Chassis / Tire Pressure Monitor / Trouble Codes.
    6. Read the DTCs.
  2. CHECK DTC (for TIRE PRESSURE WARNING ECU AND RECEIVER) (USING SST CHECK WIRE) 
    Fig 1: Identifying DLC3 Connector, Tire Pressure Warning Light, Normal System Code & Codes 13 & 33
    GTY378522Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Turn the power switch off.
    2. Using SST, connect terminals 13 (TC) and 4 (CG) of the DLC3.
      • SST: 09843-18040 
    3. Turn the power switch on (IG).
    4. Read and record any DTCs indicated by the tire pressure warning light on the combination meter assembly. Refer to the illustration for examples of a normal system code and codes 13 and 33.

      HINT: 

      • If the tire pressure warning light does not indicate any DTCs or the normal system code, inspect the tire pressure warning light circuit or TC and CG terminal circuit.
        Trouble Area See
        Tire pressure warning light circuit Refer to Tire Pressure Warning Light Circuit [08/2013 - ]
        TC and CG terminal circuit Refer to TC and CG Terminal Circuit [08/2013 - ]
      • If 2 or more malfunctions are indicated at the same time, the lowest numbered DTC is displayed first.
      TEXT IN ILLUSTRATION

      *1 DLC3
      *2 Tire Pressure Warning Light
      *a Normal System Code
      *b ON
      *c OFF
      *d 0.25 sec.
      *e Code 13 and 33
      *f 0.5 sec.
      *g 2.5 sec.
      *h 1.5 sec.
      *i 4.5 sec.
      *j Repeat
    5. Refer to Diagnostic Trouble Code Chart. Refer to DIAGNOSTIC TROUBLE CODE CHART [08/2013 - ]  for DTC information.
    6. After completing the check, turn the power switch off and remove SST from the DLC3.
  3. CHECK DTC (for MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)) 
    1. Turn the power switch off.
    2. Connect the Techstream to the DLC3.
    3. Turn the power switch on (IG).
    4. Turn the Techstream on.
    5. Enter the following menus: Body Electrical / Main Body / Trouble Codes.
    6. Read the DTCs.
  4. CLEAR DTC (for TIRE PRESSURE WARNING ECU AND RECEIVER) 

    HINT: 

    After repairing the malfunctions, clear the DTCs.

    1. Turn the power switch off.
    2. Connect the Techstream to the DLC3.
    3. Turn the power switch on (IG).
    4. Turn the Techstream on.
    5. Enter the following menus: Chassis / Tire Pressure Monitor / Trouble Codes.
    6. Clear the DTCs following the prompts on the Techstream screen.

      HINT: 

      Refer to the Techstream operator's manual for further details.

  5. CLEAR DTC (for MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)) 

    HINT: 

    After repairing the malfunctions, clear the DTCs.

    1. Turn the power switch off.
    2. Connect the Techstream to the DLC3.
    3. Turn the power switch on (IG).
    4. Turn the Techstream on.
    5. Enter the following menus: Body Electrical / Main Body / Trouble Codes.
    6. Clear the DTCs following the prompts on the Techstream screen.

      HINT: 

      Refer to the Techstream operator's manual for further details.

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