TIRE PRESSURE WARNING SYSTEM TC and CG Terminal Circuit

DESCRIPTION

Tire pressure warning system DTCs can be checked by connecting terminals 13 (TC) and 4 (CG) of the DLC3. The DTCs are indicated by blinking the tire pressure warning light.

WIRING DIAGRAM

A004W54E08
*a Power Management Control ECU
*b Tire Pressure Warning ECU and Receiver

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (TC of DLC3 - TIRE PRESSURE WARNING ECU AND RECEIVER, ECM AND POWER MANAGEMENT CONTROL ECU)


    1. Disconnect the P33 tire pressure warning ECU and receiver connector.

    2. Disconnect the A60 ECM connector.

    3. Disconnect the H3 power management control ECU connector.

    4. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      P33-3 (TC) - H44-13 (TC) Always Below 1 Ω
      P33-3 (TC), A60-7 (TC), H3-11 (TC) or H44-13 (TC) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. CHECK HARNESS AND CONNECTOR (CG of DLC3 - BODY GROUND)


    1. A004XJ3E01
      Text in Illustration
      *a Front view of DLC3

      Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H44-4 (CG) - Body ground Always Below 1 Ω

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR